India – LISUN engineers support customer successfully install LEDLM-80PL LED Optical Aging Test Instrument
Test Glow Wire Apparatus: Essential Tool for Flame Retardant Testing in Quality Supervision and Enterprises
High Frequency Spark Generator
IEC 60598-2-18:2022 Clause 18.13 Figure 1 Test Device for Contact Water Luminaire
An In-depth Analysis of the Needle-Flame Tester: Focusing on the LISUN ZY-3 Needle Flame Test Apparatus
IEC 61386-22:2021 Clause 10.4 and Figure 101 Bending Test Apparatus for Pliable Conduit
IEC 61386-21:2021 Clause 10.4.102 and Figure 103 Bending Apparatus for non-Metallic and Composite Conduits
IEC 61386-21: 2021 Clause 10.4.101&10.4.103 and Figure 103 Bending Apparatus for Metallic and Composite Conduits
IEC 61386-1: 2017 Clause 10.2 and Figure 1 Conduits Compression Test Apparatus
IEC 60529:2013 Degrees of protection provided by enclosures (IP Code)
Testing Flammability, Ignition Temperature, Combustibility, and Flame Index of Lighting Devices, Electronics, and Household Appliances Using Glow Wire Equipment
IEC 60081:2013 Double-capped fluorescent lamps – Performance specifications
Application and Analysis of Three Loop Antenna in Electromagnetic Interference and Compatibility Testing
Testing Fast and Slow Damped Oscillatory Waves Using the Damped Oscillatory Wave Generator
High Voltage Tracking Test Chamber
Torque Test Apparatus for Ground Recessed Luminaires
Shear Load and Static Load Test Apparatus for Ground Recessed Luminaires
Energy Meter Test Solutions
Understanding the ESD Generator Based on IEC 61000-4-2 Standard: A Detailed Review of LISUN ESD61000-2 ESD Simulator Guns
Audio, Video and IT Test Solutions
Flammability Test in Textile: An In-depth Analysis of LISUN ZY-3 Needle Flame Test
IEC 62052-31:2024 Electricity metering equipment – General requirements, tests and test conditions – Part 31: Product safety requirements and tests
Glow Wire Test Procedure: An In-depth Analysis of Flame Retardancy Testing Using LISUN ZRS-3H Glow-wire Test Apparatus
Application and Analysis of LISUN ZY-3 Needle Flame Tester
Application of LISUN EDX-3 Metal Tester in Heavy Metal Detection of Soil
Impulse Magnetic Field Immunity Test: A Detailed Examination of the High-Reliability LISUN IMF61000-9 Impulse Magnetic Field Immunity Tester
EN 60745-1:2003 Hand-held motor-operated electric tools -Safety -Part 1:General requirements
HBM / MM ESD Simulators for Semiconductor and IC Testing: A Comprehensive Review of the LISUN ESD-883D
IEC 60838-1:2020 Miscellaneous lampholders – Part 1: General requirements and tests
High and Low Voltage Switch Test Solutions
Automotive Multifunctional Immunity Test System: Ensuring Robustness in Automotive Electronics
IEC 60309-1:2021 Plugs, fixed or portable socket-outlets and appliance inlets for industrial purposes – Part 1: General requirements
Analysis of the Measurable Objects and Testing Quality of the Spectrometer: A Case Study of LISUN EDX-3 Portable X-ray Spectrometer
IEC 62052-11:2003 Electricity metering equipment(AC)- General requirements, tests and test conditions – Part 11:Metering equipment
EFT Immunity Measurement: Understanding the LISUN EFT61000-4 for EFT Testing
Characteristics and Requirements of High Reliability Equipment Designed for DC Voltage Dips and Interruptions Test: A Detailed Overview of the LISUN CSS61000-29 DC Voltage Dips and Interruptions Generator
1200-hour Moist Carbon Dioxide-Sulfur Dioxide-air Test Chamber
IEC 61347-1:2024 Controlgear for electric light sources – Safety-Part 1: General requirements
Understanding the Functionality and Applications of the Voltage Dips and Interruptions Generator: A Detailed Analysis of the LISUN CSS61000-11 Voltage Dips and Interruptions Generator
IEC 60598-2-10: 2003 Luminaires – Part 2-10: Particular requirements – Portable luminaires for children
CIE S 025/E:2015 Test Method for LED Lamps, LED Luminaires and LED Modules and its supplement
Electromagnetic Compatibility (EMC) Testing for Lightning Surge Immunity: A Detailed Overview of the LISUN SG61000-5 Surge Generator
Flicker Test: Comprehensive Analysis Using LISUN LSRF-3 Lamp Start, Run-Up Time, and Flicker Test System
Evaluating Flammability of Plastics Using Glow Wire Test Machine
Portable ESD Generator | Portable ESD Simulation Gun
Understanding the Applications and Features of the Impulse Surge Generator in Lightning Surge Testing
Spectral Analyzer: A Comprehensive Study on Frequency Spectrum Analysis with LISUN SPA-3P6G Spectrum Analyzer
IEC 61386-1:2017 Conduit systems for cable management – Part 1: General requirements
The Triple-Loop Antenna: A Detailed Overview of LISUN VVLA-30M Three Loop Antenna for EMI/EMC Testing
Flammability Testing and Fire Hazard Assessment Using the LISUN ZY-3 Needle Flame Tester
IEC 62613-1:2019 Plugs, socket-outlets and ship couplers for high-voltage shore connection(HVSC)systems – Part 1: General requirements
Horizontal Needle Flame Test Machine: An In-Depth Analysis of the LISUN ZY-3 Needle Flame Test Instrument
IEC 60189-1:2018 Low-frequency cables and wires with PVC insulation and PVC sheath – Part 1: General test and measuring methods
Application and Significance of ZRS Glow Wire Tester in Flame Retardant Testing for Quality Supervision Departments and Related Enterprises
IEC 60840:2011 Power cables with extruded insulation and their accessories for rated voltages above 30 kV (Um = 36 kV) up to 150 kV (Um = 170 kV) – Test methods and requirements
IEC 60502-1:2021 POWER CABLES WITH EXTRUDED INSULATION AND THEIR ACCESSORIES FOR RATED VOLTAGES FROM 1 kV (Um = 1,2 kV) UP TO 30 kV (Um = 36 kV)- Part 1: Cables for rated voltages of 1 kV (Um = 1,2 kV) and 3 kV (Um = 3,6 kV)
UL 94 Flammability Test: Application of LISUN ZY-3 Needle Flame Tester in Evaluating Fire Hazards
IEC 62052-11:2003 Electricity metering equipment (AC) – General requirements, tests and test conditions – Part 11: Metering equipment
IEC 60245-1 Clause 5.6.3.3 IEC 60245-2 Clause 3.3 Figure 3 Power Cord Wear Resistance Test Apparatus
Needle Flame Test Standard: Application and Overview of the LISUN ZY-3 Needle Flame Tester
Pavement Marking Retroreflectometer | Marking Line Reticle Retroreflective Tester
Understanding the ESD HBM Model and its Application in Semiconductor Testing Using LISUN ESD-883D HBM/MM ESD Simulators for IC Testing
IEC 60601 Figure 6 Standard Articulated Test Probe with 30N Thrust
An In-Depth Analysis of Pocket Colorimeter: Evaluating Portable Color Measurement with the LISUN CD-320PRO
IEC 62560 Clause 15 Figure 8 Non-dimming Lamp Dimming Test Circuit Device
CEI-23-50-C12
CEI-23-50-C11
CEI-23-50-C10
CEI-23-50-C9
CEI-23-50-C8
CEI-23-50-C7
CEI-23-50-C6
CEI-23-50-C5
CEI-23-50-C4
CEI-23-50-C3
IEC 62208: 2023 Empty enclosures for low-voltage switchgear and controlgear assemblies-General requirements
CEI-23-50-C2
DIN-VDE 0620-1-Lehre13
Needle Test: Application of LISUN ZY-3 Needle Flame Tester for Electrical and Material Safety Testing
UL 1993 Self-Ballasted Lamps and Lamp Adapters
Gauges Figure C6 of NF C 61-314
Gauges Figure C4A, C4B, C4C and C4D of NF C 61-314
Gauges Figure C2 of NF C 61-314
Gauges Figure C1 of NF C 61-314
Gauges Figure G1 of AS/NZS 3112
Gauges Figure D1 of AS/NZS 3112
Gauges C13 of CEE7
ISO 5395-3: 2013 Figure B.4 Test Probe
IEC 60320-1: 2007 Appliance couplers for household and similar general purposes – Part 1: General requirements
IEC 60598 Clause 4.14.1 Test E Clip-Mounted Luminaries Test Device
IEC 62031: 2008 LED modules for general lighting-Safety specifications
Analyzing LISUN ESD61000-2 Electrostatic Discharge Tester: Evaluating the Immunity Performance of Electrical and Electronic Devices Against ESD Events
Exploring X-Ray Spectrophotometers: The Role of LISUN’s RoHS Testing Equipment (EDXRF)
IS 15885 (Part 2/Sec 13): 2012 Safety Of Lamp Controlgear Part 1 Particular Requirements-Section 13 d.c. or a.c. Supplied Electronic Controlgear for LED Modules
IEC 60335-2-40: 2022 Household and similar electrical appliances – Safety – Part 2-40: Particular requirements for electrical heat pumps, air-conditioners and dehumidifiers
Lehre für die Einführbarkeit zweipoliger Stecker of DIN VDE 0620-1 Lehre 3
Vorrichtung zur Prüfung der seitlichen Schutzkontakte OF DIN VDE 0620-1 Bild 43
Evaluating the Surge Immunity of Electrical Equipment Using the LISUN SG61000-5 High Voltage Generator in Compliance with IEC 61000-4-5/EN 61000-4-5
LISUN ZRS-3H Hot Wire Tester: Ensuring Electrical Safety Compliance
The Role of the LCR Meter in Inductor Quality Testing: A Focus on the LISUN LS1373
IS 16103(Part 2): 2012 LED Modules For General Lighting-Part 2 Performance Requirements
Comprehensive Evaluation of the LISUN LSRF-3: A Market-Ready Solution for LED Start-Up, Run-Up, Stabilization, and Light Flicker Testing
IS 302 (Part 1): 2008 Safety of household and similar electrical appliances: Part 1 general requirements
Creepage Clearances Distance Gauge | Creepage Distance Test Cards
IEC 60811-1-4 Clause 8.1 and 8.2 Low Temperature Winding Test Device
IEC 60754-1 Wire and Cable Thermal Shock Test Device
IEC 60811-1-4 Clause 8.3 and 8.4 Low Temperature Tensile Testing Machine
IEC 60320-1 Clause 23.6 Figure 9 and Table 13 Coupler Lateral Tension Test Device
IEC 60227-1 Clause 4.2.3 IEC 60227-2 Clause 1.8 Wire Abrasion Testing Machine
IEC 60884-1 Clause 23.2 Table 21 Flexible Cables Torque Test Device
IEC 60245-1 Clause 5.6.3.1 | IEC 60245-2 Clause 3.5 Figure 3 Flexing Test Apparatus for Flexible Cables
IEC 60320-1:2021 Clause 18.2 and Figure 5 Coupler Heating Test Device
IEC 60320-1:2021 clause 16 Figure 3 and Table 15 Coupler Pull-out Force Test Device
IEC 60811-3-2 Clause 9 Wire and Cable Thermal Stability Tester
Surge Generator for TVS Test
IEC 60811-1-2 Clause 8.2 and 8.3 | IEC 60335-1 Clause 22.32 Oxygen Bomb Air Aging Test Chamber
Residual Current Protective Devices Action Characteristics Tester
IEC 60245-1: 2003 Rubber insulated cables -Rated voltages up to and including 450/750V- Part 1:General requirements
Importance of Automotive Electronic Immunity Testing System in EMC Testing
IEC 61439-1: 2011 Low-voltage switchgear and controlgear assemblies – Part 1: General rules
Gauge for Outlets 16A 250V A.C. of IEC 60906-1 Figure 3
ISO 16750-2:2023 Automotive Electrics & Electronics Testing System
Vietnam – LISUN engineer provide calibration services for LPCE-3 CCD Spectroradiometer Integrating Sphere Compact System
RF Signal Generator | Frequency Synthesizer
IS 4362: 1979 Specification for Number Plate Lighting Devices for Automobiles
Adaptors of BS1363-3 Figure 35
Glow Wire Test Apparatus: Key Testing for the Stability of Electronic Electrical Products
Precision Operation of Dielectric Strength Testeing: Ensuring Electrical Product Safety and Reliability
Needle Flame Test VS. Glow Wire Test: Understanding the Differences
CEI 23-50 Plugs and Sockets for Domestic and Similar Uses
Netherlands – LISUN engineer provide installation and training for LSG-1800A High Precision Rotation Luminaire Goniophotometer and LSRF-3 Lamp Start, Run-up Time and Flicker Test System
IS 16103(Part 1): 2012 LED Modules for General Lighting Part 1: Safety Requirements
Electrodynamic Vibration Generator System (iLac-MRA/ISO 17025 CNAS Certified)
UL 1598 Figures 19.17.1 and 19.17.2 Water Spray Test Device
BS1363 of British Standard Plugs Socket Outlets Gauges
Non-contact Test Gauge OF BS 1363-2 Figure 14
Test Apparatus for Tests on Plug Pins of BS 1363-1 Figure 32
ANSI/ESDA/JEDEC JS-002-2014 CDM ESD Test System
Vietnam – LISUN engineer provide installation and training for Electric safety tester and IP dustproof test chamber by free
Box/Carton Package Compression Tester
Gauges for 10/16A 250V Two-pole Socket-outlets with CEE7 C3
Device for Measuring The Contact Pressure of Earthing Contacts of 10/16A 250V Two-Pole Socket-Outlets with Side Earthing-Contacts of CEE7 C23
IEC 60335-2-42 Clause 15.1.1 Figure 104 Splash Water Test Device
BS 1363-1: 2023-13 A plugs, socket-outlets, adaptors and connection units-Rewirable and non-rewirable 13 A fused plugs
IEC 60695 Glow Wire Test for Evaluating Heat and Fire Resistance in Insulating Materials
IEC 62368-1:2018 Annex T.6 Figure T.1 Steel Ball Impact Test For Enclosure
IEC 60335-1 Household and similar electrical appliances – Safety – Part 1: General requirements
IEC 60670-1:2021 Clause 15.2 and 15.5 Electrical Casing Compression Test Device
IEC 60598-1 Edition 9 Luminaires – Part 1: General requirements and tests
Pendulum Impact Test Device
IEC 62368-1:2023 Clause 4.8.4.6 Remote Controller 330N Crush Test Device
IEC 62368-1 Clause 5.4.9 Figure 29 Solid Insulation Electric Strength Test Device
IEC 62368-1 Clause 8.8 MS Equipment Handle Strength Testing Device
IEC 62368-1 Clause 9.6.2 Wireless Charging Foreign Object Temperature Rise Test Kit
IEC 62368-1 G.13.6.2 and G.4 Coating Scratch Resistance Test Device
Go Gauges for Socket-Outlet of BS1363-1 Figure 11
Oman-LISUN engineer provide installation and training for customer who purchased JL-56 waterproof equipment and SC-010 dustproof test chamber
Small Probe Test of UL498 Figure 132.1
Go Gauge for Plug of BS 546 Figure 3
IEC 60884-1 Annex B Plug Gripping Test Device With Reference Plug
IEC 60884-1 Clause 28.1.3 Figure 43 Insulating Sleeves of Plug Pins Abnormal Heat Resistance Test Device
IEC 60884-1 Clause 24.13-15 Figure 34 | IEC 60669-1 Clause 20.5-7 Figure 13 Test Device for Verification of Cover and Cover plates
IEC 60884-1 Clause 24.11 Figure 33 | IEC 60335-1 Clause 22.3 Socket-outlets Pins Retention Test Device
Test Plug with BS 1363-3 Figure 34
IEC 60884-1 Clause 24.10 Figure 32 Multi-Movable socket – Outlets Mechanical Strength Testing Device
IEC 60884-1 Clause 24.8 Figure 31 | BS 1363-1 Clause 13.17.3 Figure 9 Apparatus for Abrasion Test on Insulating Sleeves of Plug Pins
IEC 60884-1 Clause 10.2 and 24.6 Figure 6 Compression Test Device
IEC 60884-1 Clause 23.2 Figure 27 Retention Tensile Force Test Device for Flexible Cables
IEC 60884-1 Clause 16.2 Figure 18 Test Wall for Concealed Socket IP Waterproof
IEC 60884-1 Clause 14.2 Figure 17 Non-solid Pins Testing Device
IEC 60884-1 IEC 60669-1 Clause 12.3.11 Screwless Terminals Electrical and Thermal Stresses Test Device
IEC 60884.1 IEC 60669-1 Clause 12.3.12 Screwless Terminal Deflection/Bending Test Device
Turning Moment Gauge of BS 1363-2 Figure 15
IEC 61032 Test Probe 17 with (Dia 0.5 mm Test Wire)
Apparatus for Mechanical Strength Test on Resilient Covers with BS 1363 Figure 2
Test Probe 14 of IEC 61032 Figure 10 (Test Bar)
Test Apparatus for Pressure Test At High Temperatures with BS 1363 Figure 10
Test Probe 13 with Cable with standard EN 61032
Test Pin UL 60950-1 Figure2B S2962D
Withdrawal Pull Gauges for Effectiveness of Contact of BS1363-2 Figure 16
Thailand – Successful installation and operation for EMS-ISO7637 Multifunctional Immunity Test System For Automotive Electronics
How to operate the UV aging test chamber
Optimizing UV Exposure in UV aging Test Chambers for Accurate Test Results
The difference between Xenon Lamp Aging Test Chamber and UV Aging Test Chamber
IEC 60669-1 Clause 18.3 Tungsten/Halogen Lamp Load Cabinet
What is a Magnetic Field Generator? Analysis of Magnetic Field Generator and its Applications
Temperature Rise Tester for Transformer Live Winding
IEC60335-1 Clause 11 Black Test Corner | Temperature Rise Test Corner
IEC60884-1:2022 Figure 41 Thermal Compression Test Device for Plug Socket
IEC 60884-1 Clause 30.1 Figure 41 | IEC 60811-3-1 Clause 8 | High Temperature Pressure Test Device
Test pin with BS 1363-2 Figure 1
IEC 61386-1 Clause 12 Figure 8 Heat Resistance Test Device for Cable Conduit
Residual Voltage Tester | Peak Power Cutoff Device
Long-term Effects of Ultraviolet Radiation on Materials Studied with UV Aging Test Chambers
IEC 60068-2-31 Rotating Barrel Drop Test Machine
Ignitability Testing and the Application and Principle of Glow-wire Test Apparatus
IEC 62560 IEC 60598 Bending Moment Test Device for Lamp Cap
IEC 63294 IEC 60245-1 IEC 60227-1 Static Flexibility Test Machine for Flexible Cables
IEC 61032 ArticUL ating Finger Probe with Dynamometer 10N
UL 2200 Figure 8.2 Probe for Moving Parts and Uninsulated Live Parts in Engine Generator Assemblies
Famous EMI/EMC equipment agent collaborates with LISUN to successfully purchase the VVLA-30M Three Loop Antenna.
Assessing Glow-Wire Flammability Index Using Glow-Wire Tester
IEC 61032 Test Sphere Φ50 mm with Dynamometer 50N
Voltage Indicator for Electric Shock Protection | Electric Shock Probe Circuit Test Device
Three-Pin Test Plug for Checking Three-Pin Flat-Pin 250 V Max. Socket-Outlets Against The Standard Test Finger with AS/NZS 3112 Figure C1
Gauge for Two-Pin Flat-Pin 125 V Max. Plugs (With Parallel Pins) of AS/NZS 3112 Figure B1
Programmable AC/DC Testing Power Supply System
Briefly introduce the two exposure methods of the UV aging test chamber
Device for Checking The Resistance to Lateral Strain (Two-Pin Gauge) of AS/NZS 3112 Figure 3.7
30N Force 12.5mm Test Sphere Probe IEC 61032
Test Pin OF BS 1363-1 Figure 1
Device for Checking The Resistance to Lateral Strain (Three-Pin Gauge) with AS/NZS 3112 Figure 3.6
EN 50636-2-100 Figure 1 Young Adult Arm Probe
14 AWG Test Pin of UL 498:2017 Figure 136.2
Digital 3-Phase Power Meter | Three-Phase Power Analyzer
Test Gauge with UL498 Figure 111.1
Socket contacts of BS 1363-2 Figure 13
Mounting plate of BS1363-1 Figure 7
Plug pin of BS1363-1 Figure 8
Test apparatus of BS1363-1 Figure 17a/17b
Solid link of BS1363-1 Figure 19
Apparatus of BS1363-2 Figure 23
Calibration jig of BS1363-2 Figure 29
Calibrated link of BS1363-1 Figure 28
Test plug of BS1363-2 Figure 30
Apparatus of BS1363-1 Figure 33
Gauge for Depth of No-Contact Test of AS/NZS 3112 Figure 3.1
Low Frequency Conducted Immunity Test System
Automotive Power Fail Simulator | Voltage Micro-interruption Generator
UV Aging Test Chamber: Test standards for UV Aging Test Chamber
BS 1363-1 Figure 5 Gauge for Plug Pin
LM-79 testing – difference between integrating sphere and goniophotometer
AS/NZS 3112:2017 Amd 1:2021 Approval and test specification – Plugs and socket-outlets
UL 2200 Figure 8.3 Probe for Illustrated Film-coated Wire in Generators
The Test Probe SM390 of UL 498 Figure 139.1
Socket-outlets Contact Test Gauge – BS 1363-2 Figure 12
Flush Receptacle PA215A with UL 498 Figure 31.1
IP4X Test Probe with 1N Force IEC 61032
Straight Probe Illustrated of UL 1017 Figure 3
What Is IEC 62368-1? The Importance Of Safety Standards For Industrial Computers
Guidance and Comparison between 60950-1 and 62368-1
IEC 60335 Standard Test Foot Probe
Glow Wire Testing for Electrical Insulating Materials: What You Need to Know
Test Finger Nail for IEC 60335-1 Figure 7
Photovoltaic Impulse Voltage Generator
Test Probe Kits Of IEC 62368
Test Pin Designed According to IEC60601-1 Figure 8
Test Pin of IEC 62109-1 Figure D.2
Test Probe 13 of IEC 61032 – Short Test Pin
Quality Control and Testing of Display Technologies with High Precision Spectroradiometer Integrating Sphere Systems
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES -SAFETY BASED ON EN60335 STANDARD
Test Steel Ball of IEC60950
IEC 60335-1: the Standard for the Safety of Household and Similar Electrical Appliances
ESD immunity testing: Protecting Products and Enhancing Reliability for ESD test
A Comprehensive Guide to ESD Test and Using an Electrostatic Discharge Gun
EN 61032 Protection of persons and equipment by enclosures – Probes for verification
IEC 60238 Edison screw lampholders
IEC 61032 Protection of persons and equipment by enclosures – Probes for verification
ISO IEC 17025 General requirements for the competence of testing and calibration laboratories
UL 2200 STANDARD FOR SAFETY Stationary Engine Generator Assemblies
UL 639 STANDARD FOR SAFETY Intrusion-Detection Units
LISUN 2023 HKTDC Hong Kong International Lighting Fair (Autumn Edition) Successfully Concluded
Test Probe Kit of IEC 61032 Standard
Evaluating the Performance Through the UV Aging Test Chamber: Emerging Trends in the Market
Corrosion Testing for Medical Devices: Importance of Salt Spray Test Chambers
UL 1310 UL Standard for Safety for Class 2 Power Units
Test Gauge with UL498 Figure 111.1
AS/NZS 3112 of Australia and New Zealand Standard Plugs and Socket-Outlets Gauges
Test Apparatus for Tests on Plug Pins of BS 1363-1 Figure 32
BS1363 of British Standard Plugs Socket Outlets Gauges
Gauge for Depth of No-Contact Test of AS/NZS 3112 Figure 3.1
CEI 23-50 of Italy Standard Plug and Socket Outlets Gauges
Device for Checking The Resistance to Lateral Strain (Three-Pin Gauge) with AS/NZS 3112 Figure 3.6
Device for Checking The Resistance to Lateral Strain (Two-Pin Gauge) of AS/NZS 3112 Figure 3.7
AS/NZS 3112 Figure A1 Gauge for Three-Pin 250 V Max Flat-Pin Plugs
Gauge for Two-Pin Flat-Pin 125 V Max. Plugs (With Parallel Pins) of AS/NZS 3112 Figure B1
Three-Pin Test Plug for Checking Three-Pin Flat-Pin 250 V Max. Socket-Outlets Against The Standard Test Finger with AS/NZS 3112 Figure C1
Gauge for Flat and Round Pin Plugs of AS/NZS 3112 Figure F1
Apparatus for Mechanical Strength Test on Resilient Covers with BS 1363 Figure 2
Gauge for Adaptor Pins with BS 1363-3 Figure 5
BS 1363-1 Figure 5 Gauge for Plug Pins
Test Apparatus for Pressure Test At High Temperatures with BS 1363 Figure 10
Go Gauges for Socket-Outlet of BS1363-1 Figure 11
Contact Test Gauge – BS 1363-2 Figure 12
Contact Test Gauge with BS 1363-2 Figure 12
Non-contact Test Gauge OF BS 1363-2 Figure 14
Turning Moment Gauge of BS 1363-2 Figure 15
Withdrawal Pull Gauges for Effectiveness of Contact of BS1363-2 Figure 16
Test Plug with BS 1363-3 Figure 34
Go Gauge for Plug of BS 546 Figure 3
Device for Measuring The Contact Pressure of Earthing Contacts of 10/16A 250V Two-Pole Socket-Outlets with Side Earthing-Contacts of CEE7 C23
Gauges for 10/16A 250V Two-pole Socket-outlets with CEE7 C3
NF C 61-314 Figure 32 Calibre (épaisseur approximative 2 mm) pour la vérification du contour des capots ou plaques de recouvrement
NF C 61-314 C3 CALIBRE POUR VÉRIFIER LA DISTANCE JUSQU’AU PREMIER POINT DE CONTACT
NF C 61-314 C5 CALIBRE POUR VÉRIFIER L’INTRODUCTION DES FICHES BIPOLAIRES
NF C 61-314 C7 CALIBRES POUR VÉRIFIER L’ENTRAXE DES BROCHES
Small Test Probe SM390 of UL 498 Figure 139.1
14 AWG Test Pin with UL 498 Figure 133.2
14 AWG Test Pin of UL 498:2017 Figure 136.2
14 AWG Test Pin with UL 498 Figure 129.2
Small Test Probe of UL498 Figure 132.1
Small Test Probe with UL498 Figure 139.1
NF C 61-314 of French Standard Plugs and Socket Outlets Adaptors Gauges
Test Blade OF UL498 Figure 109.2
Test Blade of UL498 Figure 105.2
Test Blade of UL498 Figure 111.2
Flat Probe PA215A with UL 498 Figure 31.1
CEI 23-50 C1 Calibri per il controllo della distanza tra la superficie frontale e il primo punto di contatto con gli alveoli attivi delle prese bipolari da 10 A – 250 V e da 16 A – 250 V ~
CEI 23-50 Fig. 7 Calibro (spessore: circa 2 mm) per la verifica del contorno delle calotte o delle plac-che di copertura
Test Gauge with UL498 Figure 105.1
Test Gauge of UL498 Figure 109.1
UL 1703 STANDARD FOR SAFETY Flat-Plate Photovoltaic Modules and Panels
UL 1993-2021 STANDARD FOR SAFETYS Self-Ballasted Lamps and Lamp Adapters
UL 61010-1-2023 Safety Requirements for Electrical Equipment For Measurement, Control, and Laboratory Use
UL 60335-2-409 STANDARD FOR SAFETYS Household and Similar Electrical Appliances
Salt Spray Test Chamber Validation and Calibration: Ensuring Accurate and Traceable Results
3m Anechoic Chamber
IEC 60884-1 Clause 14.23.2 | IEC 60335 – 1 Clause 22.3 | IEC 62368-1 Clause 4.7 Plug Torque Tester
BS546-1950 WO-POLE AND EARTHINGPIN , PIIUGS, SOCmT-OUTmTS AND SOCKET-OUTLET ADAPTORS A 3 – FOR AC (50-60 HZ) CIRCUITS UP TO 250V
BS1363-2-2023 13 A plugs, socket-outlets, adaptors and connection units 13 A switched and unswitched socket-outlets
Exploring the Application and Performance Evaluation of Wire and Cable Flame Tester in Flammability Tests for Electrical Cables
IEC 60745-2-1 Impact Drills Tester | Electric Hammer Durability Test Apparatus
Handheld XRF Spectrometer for Element Analysis – Portable Alloy Analyzer
Comparing Dust Test Chamber and Dust Test Box: Unveiling the Ideal Solution for Dust Contamination Control
Choosing the Right ESD Simulator Gun for Your Testing Needs
Test Pin with UL 1310 Figure 16.1
Test Probe for Determining Accessibility of Live Parts PA120-1 with UL 1703 Figure 15.1
Articulate Test Probe of UL 1993 Figure 9.3
Test Pin according to UL 2200 Figure 8.4
IEC UL 499 Figure SB4.1 Test Pin
UL 60335-1 Figure 13DV Articulated Probe with Web Stop
Test Pin UL 60950-1 Figure2B S2962D
Accessibility Probe of UL 639 Figure 7.4
Impact Test Steel Ball without Ring
Jointed Test Finger of IEC 61010-1 Figure B.2
50N Thrust IP2X Test Finger Probe
Test Probe B of IEC 61032 – Jointed Test Finger
IEC 60335-2-14 Test Finger Probe with Diameter 125mm Circular Stop Face
Test Probe Pins Intended to Verify The Protection of Persons Against Access to Hazardous Parts of IEC 61032
Test Pin of IEC 61032 Figure 8 and 9
IEC61032 figure 12 test probe 18 and IEC61032 figure 13 test probe 19
Test Probe Kit of IEC 61032
30N Force 12.5mm Test Sphere Probe IEC 61032
3N Thrust IP3X Test Probe Pin IEC 61032
Test Finger of IEC 60238 Figure 16
IEC 61032 50mm Test Ball – Test Probe 1
IEC 61032 ArticUL ating Finger Probe with Dynamometer 10N
IEC 61032 Steel Wire with Φ 1mm with Dynamometer 1N
Test Finger of IEC 62109-1 Figure D.1
Test Pin of IEC 62109-1 Figure D.2
Dito Di Prova Articolato OF CEI 23-50 Fig. 2
Test Probes Kits of DIN 40050
EN 50636-2-100 figure 2 Arm Probe for Testing Tortuous Path Guarding of Cutting Means Through the Feed Intake Opening
EN/IEC 61010-1 6.2.3 3.0mm Preset Controls Probe
Test Probe 13 of IEC 61032 – Short Test Pin
GR 1089 CORE standard Jointed Test Finger
Test Probe Kits of IEC 60065
63,5mm Steel Test Ball without Ring
Steel Test Ball 1040g with Ring
IEC 60311 38, 1mm Impact Test Steel Ball without Ring
226g Impact Test Steel Ball with Ring
IEC 60335 standard 40mm Hemispherical End Test Probe
Rigid Test Finger Probe with 75N Thrust with IEC 61032 Standard
Foot Probe of EN 60335-2-2 Figure Z101
IEC 60335 Standard Test Foot Probe
12.5mm test probe for the DIN 40050 or IEC 60529
DIN 40050 or IEC 60529 12.5mm test probe for household appliance against electric shock protection test
IEC60601-1 Figure 8 Test Pin
The EN 61010-1 6.2.3 test pin is a 4mm diameter, 100mm long pin with a cable
IEC 60335-2-4 Household and similar electrical appliances – Safety – Part 2-4: Particular requirements for spin extractors
IEC 60335-2-5 Household and similar electrical appliances – Safety – Part 2-5: Particular requirements for dishwashers
IEC 60335-2-6 Household and similar electrical appliances – Safety – Part 2-6: Particular requirements for stationary cooking ranges, hobs, ovens and similar appliances
IEC 60335-2-7 Household and similar electrical appliances – Safety – Part 2-7: Particular requirements for washing machines
IEC 60335-2-8 Household and similar electrical appliances – Safety – Part 2-8: Particular requirements for shavers, hair clippers and similar appliances
IEC 60335-2-9 Household and similar electrical appliances – Safety – Part 2-9: Particular requirements for grills, toasters and similar portable cooking appliances
IEC 60745-2-3 Hand-held motor-operated electric tools-Safety -Part 2-3: Particular requirements for grinders, polishers and disk-type sanders
IEC 60335-2-10 Household and similar electrical appliances – Safety – Part 2-10: Particular requirements for floor treatment machines and wet scrubbing machines
IEC 60335-2-11 Household and similar electrical appliances – Safety – Part 2-11: Particular requirements for tumble dryers
IEC 60335-2-12 Household and similar electrical appliances – Safety – Part 2-12: Particular requirements for warming plates and similar appliances
IEC 60335-2-13 Household and similar electrical appliances – Safety – Part 2-13: Particular requirements for deep fat fryers, frying pans and similar appliances
IEC 60335-2-14 Household and similar electrical appliances – Safety – Part 2-14: Particular requirements for kitchen machines
IEC 60335-2-15 Household and similar electrical appliances – Safety – Part 2-15: Particular requirements for appliances for heating liquids
IEC 60335-2-16 Household and similar electrical appliances – Safety – Part 2-16: Particular requirements for food waste disposers
IEC 60335-2-17 Household and similar electrical appliances – Safety – Part 2-17: Particular requirements for blankets, pads, clothing and similar flexible heating appliances
IEC 60335-2-2 Household and similar electrical appliances – Safety – Part 2-2: Particular requirements for vacuum cleaners and water-suction cleaning appliances
IEC 60335-2-21 Household and similar electrical appliances – Safety – Part 2-21: Particular requirements for storage water heaters
IEC 60335-2-23 Household and similar electrical appliances – Safety – Part 2-23: Particular requirements for appliances for skin or hair care
IEC 60335-2-24 Household and similar electrical appliances – Safety – Part 2-24: Particular requirements for refrigerating appliances, ice-cream appliances and ice makers
IEC 60335-2-25 Household and similar electrical appliances – Safety – Part 2-25: Particular requirements for microwave ovens, including combination microwave ovens
IEC 60335-2-27 Household and similar electrical appliances – Safety – Part 2-27: Particular requirements for appliances for skin exposure to optical radiation
IEC 60335-2-29 Household and similar electrical appliances – Safety – Part 2-29: Particular requirements for battery chargers
IEC 60335-2-3 Household and similar electrical appliances – Safety – Part 2-3: Particular requirements for electric irons
IEC 60335-2-32 Household and similar electrical appliances – Safety – Part 2-32: Particular requirements for massage appliances
IEC 60335-2-35 Household and similar electrical appliances – Safety – Part 2-35: Particular requirements for instantaneous water heaters
Triangle Probe with UL 1278 Fig.10.3
Hazardous Moving Parts Probe with UL 1310 Fig.16.4
The UL 1989 UL 1418 Impact Test Ball is a 2-inch steel sphere that weighs 535 grams.
UL 2200 Figure 8.2 Probe for Moving Parts and Uninsulated Live Parts in Engine Generator Assemblies
UL 2200 Figure 8.3 Probe for Film-coated Wire in Generators
PA180 Test Probe for Hand-supported Enclosure of UL 499 Figure 7.4
Probe for Impellers of Portable Appliances of UL 507 Figure 8.1
UL Test Probe of UL 507
Accessibility Probe/Wedge (S5366 + S5370) UL 60950-1 Figure NAF.2 & NAF.3
Test Probe of UL 921 Figure 3 for Film-coated Wire with Standard
PA145 UL Standad Test Finger Probe of UL 982
UL 982 Figure 58.5 | UL 498 Figure 10.1 Test Probe PA190
IEC 61032 Standard Test Probe 11 with 50N Thrust
Test Probe A of IEC 61032 – 50mm Sphere with Baffle and Handle
IEC 61032 Test Sphere Φ50 mm with Dynamometer 50N
Rigid Test Finger for IEC 61010-1 Figure B.1
Straight Unjointed Test Finger of IEC 62109-1 Figure D.3
Test Probe Kits of IEC 62368
IEC 62368 Diameter 1 mm, Length 20 mm Terminal Probe
IEC 62368 Figure V.1 Standard Jointed Test Probe and Unjointed Test Probe
IEC 62368-1 Figure V.4 Wedge Probe for Document Shredders Test
IEC 62368-1 Figure 20 Test Hook
IEC 62368-1 Figure V.3 Blunt Probe
Test Probe SM430E UL 60950-1 Figure 2C
IEC 62368-1 Figure V.1 UL Unjointed Finger Probe
The Rigid Test Finger with Non-Circular Stop Face is equipped with a nodular finger that has a diameter of 12 mm and a length of 80 mm.
Calibre de vérification des rainures, trous et conicités inverses with NF C61-314 Figure 35
Calibre de vérification de la non-accessibilité aux parties actives, à travers les obturateurs, et aux parties actives pour les socles ayant une protection augmentée with NFC 61-314 Figure 10
Calibre pour vérifier la non-accessibilité aux parties actives, à travers les obturateurs with NFC 61-314 Figure 9
Straight Probe of UL 1017 Figure 3
Test Probe Kits of IEC 61010
IEC 61032 Standard Articulated Test Probe with 10N Thrust
Test Probe C of IEC 61032 2,5mm Test Rod
IEC 61032 Test Probe C with Cable
Test Probe D of IEC 61032 – Straight Test Probe
Test Probe D with Cable of IEC 61032 Figure 4
Test Probe 2 of IEC 61032 – 12.5mm Steel Sphere
Test Probe 12 of IEC 61032 – Long Test Pin
Test Probe 14 of IEC 61032 Figure 10 (Test Bar)
IEC 61032 Test Probe 17 with (Dia 0.5 mm Test Wire)
Test Probe 18 of IEC 61032 8,6mm Small Finger Probes
Test Probe 19 of IEC 61032 5,6mm Small Finger Probes
Test Probe 31 of IEC 61032 – Milling Grinding Probes
Test Probe 32 of IEC 61032 – Test Thorn for Testing The Fan Preventive Safety
Test Probe 41 of IEC 61032 – Test Cone for Access Probes to Hazardous Hot or Glowing Parts
IEC 61032 Test Bar to Verify the Protection of Fixed and Portable Visibly Glowing Radiant Heaters
IEC 61032 figure 1 IP1X Test Probe with 50N Thrust
IP4X Test Probe with 1N Force IEC 61032
Dynamometer 3N IEC 61032 Steel Rod Φ2.5mm IEC 61032
Jointed and Unjointed Test Finger with Standard IEC 61032
IEC 60335 75mm Test Probe with Hemispherical End
IEC 60335-2-14 Test Rod with 8.0mm
IEC 60335-2-16 Flat End Test Rod
IEC 60335-2-11 Surface Temperature Probe
IEC 60335-2-9:2019 Figure 105 Temperature Probe
IEC 60335-2-11 Test Probe for Measuring Surface Temperatures
Test Finger Nail for IEC 60335-1 Figure 7
IEC 61032 Unjointed Test Finger Test Probe 11
IEC 61032 Figure 7 Test Probe 11 with Cable
IEC 60335 50N Test Finger Nail
Test Probe Kits of IEC 60529
IEC 60529 Test Sphere Φ12.5mm with Dynamometer 50N
IEC 60529 IP20C Test Probe with 50N Force
Test Probe Kits of IEC 60598
Test Probe Kits of IEC 60601
IEC 60884 Figure 10 Socket Protective Test Needle with 1N
IEC 60884 Figure 9 Socket-outlets Protection Accessibility Probe Test Pin with 20N Force
Test Probe Kits of IEC 60950
BS 1363-2 figure 1 test pin
Test Pin of BS 1363-1 Figure
Test Probe Kits of UL 60950-1
Calibro per la verifica di scanalature, fori e conicità inverse of CEI 23-50 Fig. 5
Calibro di verifica della non accessibilità alle parti attive attraverso gli schermi ed alle parti attive per le prese che hanno una protezione aumentata of CEI 23-50 Fig. 4
Calibro di verifica della non accessibilit¨¤ alle parti attive attraverso gli schermi dopo la prova di funzionamento normale of CEI 23-50 Fig. 3
Test Finger for EN 50075 Figure 3
The EN 61010-1 6.2.3 compliant test pin with a diameter of 3mm and length of 100mm
EN/IEC 61032 Test Probe 13 with Cable
IEC 60065 / IEC 60601 Standard Test Hook Probe
IEC 60950 Figure 8 50mm Diameter Test Steel Ball
IEC/EN 60335-2-11 Test Nails 1mm x 50mm
Test Finger Probe with 125mm * 80mm Circular Stop Face
IEC 60335-1 20.2 Test Probe B with Diameter 50 mm Circular Stop Face
Test Finger Probe with Diameter 50 mm Circular Stop Face IEC 60335 20.2
Test Probe Kits of IEC 60335-1
Oman – Customer successfully installed the integrating sphere system and some IP test instruments by watching operation video
Usage of Portable Spectrophotometer
Six Major Conditions for Installation of Sand Dust Test Chamber
IEC 60434 Aircraft electrical filement lamps
IEC 60335-2-114 Household and similar electrical appliances – Safety – Part 2-114: Particular requirements for Personal-e-Transporters
Salt Spray Test Chamber Maintenance: Ensuring Longevity and Accuracy
ISO 16750-4 | VW80000 Ice Water Shock Test Chamber | Ice Water Splash/Immersion Impact Test Machine
Glow wire flammability test with the Glow Wire test apparatus
Double Columns Tensile Testing Machine
Difference between the Operating Procedure of Needle Flame Test Apparatus in IEC 60695-11-5:2004 and GB/T 5169.5-2008
ESD Gun Accessories: Enhancing the Testing Capabilities and Flexibility of ESD Guns
IEC 60335-2-26 Household and similar electrical appliances – Safety – Part 2-26: Particular requirements for clocks
BS IEC 62679-3-3 Electronic paper displays -Part 3-3: Optical measuring methods for displays with integrated lighting units
ESD Gun Calibration Standards: Understanding the Calibration Requirements for Accurate ESD Testing
DIN EN 4731 Aerospace series – Spectral quality of LED luminaires used with photoluminescent marking systems
How the Glow Wire Test Apparatus Helps Identify Fire Hazards in Electronics
Validate Robustness of Products by Utilizing Dust Test Chamber and Dust Test Box
The Importance of UV Aging Test Chamber and Precautions for Use
SAE ARP693E Landing and Taxiing Lights – Design Criteria for Installation
ECE R.37 Uniform provisions concerning the approval of filament lamps for use in approved lamp units of power-driven vehicles and of their trailers
Advancements in Glow Wire Test Apparatus Technology
ECE R.23 UNIFORM PROVISIONS CONCERNING THE APPROVAL OF REVERSING LAM PS FOR POWER-DRIVEN VEHICLES AND THEIR TRAILERS
ECE R.38 UNIFORM PROVISIONS CONCERNING THE APPROVAL OF REAR FOG LAMPSFOR POWER-DRIVEN VEHICLES AND THEIR TRAILERS
Lamp Start, Run-up Time and Flicker Test: A key Technology for Improving Product Quality
The Significance of Glow Wire Testing in Fire Risk Assessment
What is the environment that will affect the UV Aging Test Chamber
LISUN LPCE-3(LMS-7000) CCD Spectroradiometer Integrating Sphere Compact System – After-sales Frequently Asked Questions (FAQ)
The Theory of Glow Wire Tester with Glow Wire
Test environmental is very important for EMI/EMC test instrument
MIL-STD-3009 LIGHTING, AIRCRAFT, NIGHT VISION IMAGING SYSTEM (NVIS) COMPATIBLE
The Benefits of Using Photometric Testing and Gonio Photometers
Transformer Comprehensive Tester
Real-Time Monitoring with EMI Test Receivers: Detecting and Mitigating Transient Interference
SAE ARP5825 Design Requirements and Test Procedures for Dual Mode Exterior Lights
Impulse Winding Tester
Common Mode Inductor Balance Tester
Capacitor Leakage Current Tester
ESD Testing Machine and ESD Test: An Overview of the Technology Standards and Procedures
Portable X-ray Spectrometer | XRF Metal Analyzer | Alloy Gold Tester
Ensuring Safety and Reliability: Best Practices for Conducting the Glow Wire Test
IEC 62341-6-1 Organic light emitting diode (OLED) displays -Part 6-1: Measuring methods of optical and electro-optical parameters
A Comparative Study of Lightning Surge Generator and Surge Generator
EN 2240-003 Aerospace series – Lamps, incandescent – Part 038: Lamp, code 44 – Product standard
Discussion on Needle Flame Test in Needle Flame Test Equipment
Applications of Portable Spectrophotometers in the Cosmetics Industry: A Review of High Accuracy Reflectance Techniques
How to use the esd generator gun to do the esd gun test
How to use the glow wire test apparatus to do the glow wire testing
What are the environments that affect the UV aging test chamber
EN 2756 Aerospace series — Lamps, incandescent — Tests methods
Glow Wire Testing: Exploring Glow Wire Test Standard and Practices
What is a flame test and needle flame test temperature
Evaluating the Performance of Portable LED Spectrophotometers: Comparing Accuracy, Precision, and Repeatability
Analyze Doing Glow Wire Test with Glow Wire Tester
How to use the UV chamber to do the UV aging test
What is the needle flame test method of the needle flame test equipment
Professional understanding of UV aging test chamber
Exploring Alternative Test Methods to Complement the Glow Wire Test
Requirements and Judgment Standards for Glow Wire Testing
Utilizing Salt Corrosion Chamber and Salt Fog Test for Corrosion Control and Testing
Common Challenges in ESD Testing and How ESD Guns Help Overcome Them
The Impact of Light Source and Illumination Conditions on Portable Colorimeters Measurements
Illuminating Safety: Applications of the Glow Wire Test Apparatus in Diverse Industries
The Standard for UV Aging Test of UV Aging Test Chamber
Utilizing the Needle Flame Test Apparatus for Accurate Needle Flame Testing
Understanding the Basics of Portable Colorimeters: A Guide for Beginners
The Effects of Salt Test Chamber and Salt Spray on Corrosion Testing
IEC 62384 DC or AC supplied electronic control gear for LED modules – Performancerequirements
Illuminating Compliance: The Role of Glow Wire Testing in Product Certifications
Choosing the Right Portable Colorimeter for Your Needs: Factors to Consider
Needle Flame Test Analysis with a Needle Flame Tester
Choosing The Right Portable Color Spectrophotometer For Your Needs
Spectrum Analyzers for EMC Testing: Analyzing Electromagnetic Compatibility in Electronic Devices
Innovative Features and Applications of UV Aging Test Chambers
How to Use an EMI Analyzer and EMC Test Receiver for Improved Testing
IEC 62133-2 Secondary cells and batteries containing alkaline or other non-acidelectrolytes Safety requirements for portable sealed secondary cells, nd forbatteries made from them, for use in portable applications-Part 2: Lithium systems
Benefits of Portable Colorimeters in Quality Control and Manufacturing
The Utilization of Glow-Wire Apparatus and Glow-Wire Tester for Fire Safety Testing
Find Accurate Color Measurements with Portable Colorimeters: A Guide to Color Meters
IEC 61960-3 Secondary cells and batteries containing alkaline or other non-acid electrolytes – Secondary lithium cells and batteries for portable applications – Part 3: Prismatic and cylindrical lithium secondary cells and batteries made from them
How Portable Colorimeters are Used in Quality Control and Manufacturing
LISUN DYJ Adjustable Reference Standard Ballast – After-sales Frequently Asked Questions (FAQ)
Exploring the Components of a Glow Wire Test Apparatus
IEC 61347-2-13 Lamp controlgear -Part 2-13: Particular requirements for d.c. or a.c. supplied electronic controlgearfor LED modules
IEC 61747-30-1 Liquid crystal display devices-Part 30-1: Measuring methods for liquid crystal display modules – Transmissivetype
IEC 60983 Miniature lamps
ISO/DIS 12346 Road vehicles — Lighting and light-signalling devices — Environmental endurance
Streamlining Safety: The Power of Automatic Safety Test Systems
Water Spray Test Chamber: Unveiling the Power of Simulated Environmental Testing
ISO 7137 Aircraft- Environmental conditions and test procedures for airborne equipment
Illuminating Safety: Understanding Glow Wire Test Apparatus
How to make the performance of UV Aging Test Chamber more stable
IEC 62660-3 Secondary lithium-ion cells for the propulsion of electric road vehicles – Part 3: Safety requirements
IEC 62679-3-2 Electronic paper display -Part 3-2: Measuring method-Electro-optical
Test translucent material with spectrophotometer
IEC 62595-2-3 Display lighting unit-Part 2-3: Electro-optical measuring methods for LED frontlight unit
The Importance of IP Waterproof Testing for Electronics
Visual IPX8 Waterproof Leakage Detector – Air Tightness Testing Equipment
Application of colorimeter in quality detection of vegetable oil
Testing standards for UV aging chamber
LISUN UV-263LS UV Aging Test Chamber – After-sales Frequently Asked Questions (FAQ)
LISUN LPS-3 Lamp Preheat Assistant Source – After Sales Questions and Answers
What is the waterproof grade of IPX34 Swing Pipe Water Spray Test Equipment
Determination of vegetable freshness by measuring chlorophyll content with colorimeter
LISUN RB-3 Adjustable Resistance Ballast – After Sales Questions and Answers
Explain about optical radiation safety test system
Standard requirements of the glow wire test device
What is the flicker test system
LISUN SY2036 LED Aging and Life Test Rack – After-sales Frequently Asked Questions (FAQ)
Color basics – CIE 1931 chromaticity coordinates
ANSI/IES LM-31 Photometric Testing for Roadway and Area Lighting Luminaires Using Incandescent or High Intensity Discharge Lamps
ANSI/IES LM-73 Photometric Testing of Entertainment Lighting Luminaires Using Incandescent Filament Lamps or High Intensity Discharge Lamps
ANSI/IES LM-35 Photometric Testing of Floodlights Using High Intensity Discharge or Incandescent Lamps
ANSI/IES LM-37 Guide for Determination of AAverage Luminance (Calculated) for Indoor Luminaires
ANSI/IES LM-40 Life Testing of Fluorescent Lamps
ANSI/IES LM-47 Life Testing of High Intensity Discharge (HID) Lamps
In-depth analysis of UV aging test chamber
ANSI/IES LM-65 Life Testing of Single-Based Fluorescent Lamps
ANSI/IES LM-81 Photometric Testing of Skylights and Tubular Daylighting Devices under Hemispherical Sky Conditions
CIE S 025/E Test Method for LED Lamps, LED Luminaires and LED Modules
What is the glow wire test apparatus?
CIE 043 Photometry of floodlights
A detailed discussion about needle flame tester
Immunity testing with the help of coupling decoupling network
How to select a suitable colorimeter
LISUN LSRF-3 Lamp Start, Run-up Time and Flicker Test System – After-sales Frequently Asked Questions (FAQ)
The Glow Wire test measures ignition resistance of the plastic connector material
IMO Flame Spread Test Apparatus
LISUN LS9923 Programmable Withstanding Voltage And Insulation Tester – After-sales Frequently Asked Questions (FAQ)
CIE 136 Guide to the lighting of urban areas
CIE 013.3 Method of measuring and specifying colour rendering properties of light sources
A guide to choosing the right led testing equipment
How does EFT Immunity Testing help reduce the negative impact
LISUN JL-34 IP Waterproof Test Equipments – After-sales Frequently Asked Questions (FAQ)
Difference Between Needle Flame Test and Glow Wire Test
How to test for LED Flicker via LISUN LSRF-3
Battery Tester
How are voltage dip generators useful for voltage interruption test
How can you use the LED aging and life test rack
What’s Ultraviolet UV aging test chamber
Charger Aging Test Rack (Constant Temperature)
IEC 60068-2-75 IK Vertical Hammer Impact Tester
How can you use LISUN tracking test chambers
How is a LISUN transient generator used in automotive industry
What you need to know about IPX9K Ingress Protection Testing
Lightning surge generator uses to test electronics and home appliances
All you need to know about Electric Discharge testing
How to Use a Goniophotometer to Test LED Ceiling Lights
Test equipment for electrical safety and function
Walk-in Rapid Temperature and Humidity Test Chamber
Rapid Temperature Change & Humidity Heat Test Chamber
Battery Temperature Chamber | IEC62660 Explosion-proof Test Chamber
EMI test equipment setup you need to know about
Surge Generators For Telecom And IEC-61000-4-5 Testing
UL 94 flammability test using LISUN Glow wire tester
IPX9K test introduce in IEC 60529 and it’s application
Glow Wire Testing: The Importance of Safety Testing
Vibration test introduce in IEC 60068 and application in lighting industry
ESD Simulators Overview (Electrostatic Discharge Test)
ISO7637 automotive EMC immunity test introduce
LISUN ZRS-3H Glow-wire Test Apparatus – After-sales Frequently Asked Questions (FAQ)
LISUN ZY-3 Needle Flame Test – After-sales Frequently Asked Questions (FAQ)
Surge test and impulse withstand voltage test work principle introduce and both test difference
Based on the LM-79 standard, how to use the integrating spheres and spectrophotometers to test the LED luminaire
LISUN EMI Test Receiver EMI-9KC/EMI-9KB/EMI-9KA – After-sales Frequently Asked Questions (FAQ)
Portable Retinal Blue Light Hazard Tester
How is the salt spray test conducted via LISUN salt spray corrosion chamber
Easy ways to do a Needle Flame Test
How you can undertake RoHS testing
Have you heard about the glow wire test procedure
How you can properly conduct a Glow Wire Test
How does IPX9K waterproof test chamber operated
How to “qualify” the flicker test for lighting?
Needle flame test and different flame retardant test methods
LED test standards and test methods
Why flicker test is so important
What is EMC test equipment
What is an integrating sphere test for new Standard IES TM-30-18
Why should choose the programmable withstand voltage tester
Why required to do UV test?
Why required to do vibration test and related standards
Test Method for the Horizontal Vertical Flame Tester
Glow Wire Test Method
Ozone Test Chamber | Ozone Aging Test Chamber
The nature and influence of UV ultraviolet aging test chamber
Application of LED stroboscopic test in the detection direction of LED lighting fixtures
The difference between HBM/MM ESD Simulator for IC testing and IEC61000-4-2 electrostatic discharge generator
What is glow wire test
What is flame retardant test methods
Test Principle of glow-wire tester
DC Voltage Dips and Interruptions Generator
What is glow wire tester compatible
How do you test lumens?
Which meter is used to test the LED?
How to test EMI Interference?
What is ERP certification flicker test SVM and PST LM test
LISUN LSRF-3 Flicker Tester Meets the Latest Standard request such as ERP (EU) 2019/2020 Directive
India-The customer successfully installed and operated the LPCE-3 compact spectroradiometer integrating sphere system by watching the video
The new version of the EU ErP certification EU2019/2020 flicker test requirements
GTEM Cell Chamber RF Electromagnetic Field Radiation Immunity (EMS) and Emission Limit (EMI) Test
ZRS-3H Glow-Wire Test Apparatus is Designed According to IEC60695-2-10 -1
ZY-3 Needle Flame Tester is Designed According to IEC 60695-2-2
SG61000-5 Surge Generator is Designed According to IEC 61000-4-5-2014
LS9923 Withstanding voltage and Insulation Test System is Designed According to IEC60335-1-General Requirements
AC/DC Hipot Tester
IEC 60335-1 Clause 20 | IEC 60601-1 Clause 24.3 Stability Test Bench
IEC 60598-1 Clause 4.12.5 | IEC 60884-1 Clause 24.7 Screwed Glands Torque Test Device
IEC 60335-1 Clause 25.15 Table 12 | IEC 62368-1 Appendix G.7.3.2.1 Table G.8 Power Cord Anchorage Pull Force and Torque Test Apparatus
IEC 60598-1:2024 Clause 4.14.3 Lamp Adjustment Test Device
Glare Test System
UV-263LS UV Aging Testing Chamber is Designed According to ISO 4892-1:2016-1 Scope
Definition and Test Method of LED Flicker
HBM/MM ESD Simulators for IC Testing
UL updated standard, using 25kHz High Frequency Reference Ballast to detect Type A LED tubes
Glow wire test to evaluate the flame resistance of plastic materials
Automatic Electrical Safety System and the notes when you are testing
Leakage Current Tester
Grounding Resistance Tester
Masks Flame Retardant Performance Tester
Medical Masks Synthetic Blood Penetration Tester
Masks Respiratory Resistance Tester
Judge about the test equipment of LED lamp aging rack
The Relevant Test Standards of Switches for Household and Similar Fixed Electrical Installations Safety and Environment Test
Brazil – LISUN engineer provide installation and training for integrating sphere, goniophotometer, waterproof test and IK level test systems
What’s the difference of Needle flame and horizontal & vertical flame test?
Relevant standards for EMC testing of automotive electronics
ROHS 2.0 Test Equipment
Mask ventilation resistance and pressure differential tester
Mask Bacterial Filtration Efficiency (BFE) Tester
Glow-wire test work principle introduction and application
Working principle of ultraviolet lamp and test method of ultraviolet lamp
Bulk Current Injection (BCI) Test System
Meltblown Cloth Electrostatic Electret Generator
Face Masks Particulate Filtration Efficiency PFE Tester
The Difference Between The Total Luminous Flux Test Results Of The Integrating Sphere And The Goniophotometer When Testing Bare Light Sources (Small Lamps) And Big Size lamps
India-Installation and training for LPCE-3 CCD Spectroradiometer Integrating Sphere Compact System
Flicker Comparison and Test Methods of Various Light Sources
Turkey – Installation and Training for LPCE-3 Spectrometer & Integrating Sphere Compact Test System and LSG-1700B Rotation Luminaire Goniophotometer
Uses of UV lamps and test methods for UV lamps
How to test LED fixture for startup, rise time and flicker
Turkey – Installation and training for LPCE-3 CCD Spectroradiometer Integrating Sphere Compact System and LSG-1700B High Precision Rotation Luminaire Goniophotometer
UV Lamp Test System
LPCE-3 CCD Spectroradiometer Integrating Sphere Compact System is Designed According to IES LM-79-08 9.1 Integrating Sphere with a Spctroradiometer(Sphere-spectroradiometer System)
India – Installation and training for LPCE-3 CCD Spectroradiometer Integrating Sphere Compact System
IEC 60598:2024 Touch Current Measuring Network G.2 and G.3
Interpretation of the latest American Energy Star IES LM-79-19 standard
Lamp Start, Run-up Time and Flicker Test System
IEC 60669-1 Clause 19.3 Test for Switches Intended for Self-ballasted Loads
The Main Differences Between Lighting test Standard CISPR 15: 2018 and 2013 Versions
Wire Cable Flame Tester
UL Water Spray Test Device
Voltage Spike Generator
Indonesia – Installation and training for LPCE-3 Spectroradiometer integrating sphere system, TTC-1 Tracking Test Chamber and some small devices
LISUN Will Attend 2019 HKTDC Hong Kong International Lighting Fair (Autumn Edition) 27th to 30th October
Automotive Electronics Test Solutions
Russia – Free installation and training of LPCE-3 CCD spectroradiometer integrating sphere compact system
Malaysia – Installation and training for LPCE-3 Specrtoradiometer & Integrating Sphere System
Composite Salt Spray Test Machine
Cable and Wire Test Solutions
Household Applicances Test Solutions
Plugs and Sockets Test Solutions
HID Lamp Test Solutions
Fluorescent Lamp Test Solutions
CFL Lamp Test Solutions
LED Driver Test Solutions
LM-79 and LM-80 Test Solutions
Mobile and Network Test Solutions
LEDs and Luminaire Test Solutions
Integrated Function Tester for Inductance Ballast
Fluorescent Lamp Asymmetric Pulse Tester
Electronic Ballast Production Line Tester
RoHS Testing Equipment – Element Analysis – Thickness Gauge (EDXRF)
Sulfur Dioxide Test Chamber
Electronic Ballast High Frequency Parameters Tester
Salt Spray Test | Salt Spray Test Chamber
CCFL Ballast Tester
Automatic Double-Arms Drop Test Machine
HID Ballast Tester
Online OK Tester for Electronic Ballast and CFL
Electrodynamic Vibration Generator System
Electronic Ballast Automatic Test Equipment
IK Level Tester | IEC62262 IK07 to IK10 Pendulum Impact Hammer
Electronic Ballast Tester
Spring Impact Hammer IK Level Tester IEC 60068-2-75
Electronic Ballast Tester
Xenon Lamp Aging Test Chamber
UV Aging Test Chamber
Dustproof Testing Machine | Dust Proof Chamber
CISPR 16-1-3 Absorbing Clamp
Waterproof Test Chamber
Pulse Start Generator for High Pressure Sodium Lamp
Damped Oscillatory Wave Immunity Tester
High Temperature Pressure Jet Waterproof Test Chamber
Ring Wave Generator
Voltage Dips and Interruptions Generator
Damped Oscillatory Magnetic Field Immunity Tester
LED Aging and Life Test Rack
Impulse Magnetic Field Immunity Tester
Magnetic Field Generator
Impulse Test Generator
Transient High Voltage Impulse Generator | IEC60335
Impulse Voltage Generators | Impulse Generators IEC255-5, IEC60065
Standard Test Finger
RF Conducted Immunity Test System
Magnetic Shielding Cabinet for EMI Testing
Ball Pressure Test Device
Insulation Resistance Tester
EMI Test System | EMI Test Equipment
AC/DC Withstand Voltage Test
LED Aging and Optical Attenuation Tester
Programmable Withstanding Voltage & Insulation Test
DIP LED Aging Tester
High Power LED Aging Tester
Multifunctional Immunity Test System For Automotive Electronics
LED Luminous Intensity Distribution Tester
Reflection/Transmission Test Chamber
LED Power Driver online Tester
LED Driver Automatic Test System
Fast Photo-Electric Tester
LED Driver Online Tester
LED Power Driver Tester
Lamp Start, Run-up time and Flicker Test
LED Optical Aging Test Instrument
LED Driver Aging Test Rack
Optical Radiation Safety Test
New Design 3m Electric Integrating Sphere
Portable Colorimeter/Chroma Meter
Gloss Meter with 3 Angles (20, 60 and 85º)
Portable Spectrophotometer (High Accuracy Reflectance)
Current Transformer Tester
Electrolytic Capacitor Tester
IEC 60884-1 Clause 20 and 21 Three-Position Plug Socket Switch Life Tester
IEC 60669-1 Clause 18 and 19 | IEC 61058-1 Clause 17 Six-Position Plug Socket Switch Life Tester
IEC 60669-1 Clause 19.1 and 19.2 Externally Ballasted Fluorescent Lamp Test Load Cabinet
IEC 60884-1 Clause 24.5 Figure 30, IEC 61386-1, IEC 60811-506 Low-Temperature Impact Test Device
IEC 60884-1 Figure11 | IEC 60669-1 Figure10 | IEC 60998-2-2 Figure101 Wire Damaged Tester
IEC 60884-1 Clause 19 | IEC 60669-1 Clause 17 | IEC 60998-1 Clause 15 Temperature Rise Tester
IEC 60884-1 Clause 13.14 Figure 16 Device for Checking the Resistance to Lateral Strain | IEC 60884-1 Clause 20 Figure 18 and 19 Maximum and Minimum Pull-out Force
IEC 60884-1 Clause 23.4 | IEC 60745-1 Clause 24.12 | IEC 60335-1 Clause 25.14 Power Cord Flexibility Bending Tester
Automatic Safety Test System
Thermally Protected Ballast Heating Test Chamber
Lamp Cap Temperature Rise Test System
High Current Arc Ignition Test System
Hot Wire Ignition Tester
Horizontal Vertical Flame Tester
Integrated Sphere Spectrophotometer Test System
Tracking Test Chamber | Leakage Tracking Test Apparatus
Needle Flame Test
Multiway Life Tester
Multiplex Temperature Tester
Adjustable High Frequency Reference Ballast
Car Interior Material Burning Tester
Adjustable Reference Standard Ballast
Adjustable Resistance Ballast
Glow-wire Test Apparatus
IP Waterproof Test Equipments
Surge Generator
EMI Test Receiver
Portable CCD Spectroradiometer
Columbia – Installation and training for electrical safety tester, glow wire, needle flame, tracking chamber, horizontal vertical flame apparatus
How do you choose integrating sphere if you test small size but high power HID lamp?
Denmark – Installation and training for Goniophotometer, Integrating Sphere System amd EMI test equipment
How to choose LISUN products for Saudi Arabia’s latest standard SASO2902?
India – Training and Installation for surge generator and LPCE-3 spectroradiometer integrating sphere system
Russia – Installation and training for LSG-1700B Rotation Luminaire Goniophotometer and LPCE-3 spectroradiometer integrating sphere system
The difference between integrating sphere test system and goniophotometer system
Brazil – Free Installation and training for Integrating Sphere Test System and Goniophotometer
India – LISUN engineer provide the installation & training for LPCE-3 CCD Spectroradiometer Integrating Sphere Compact System
Equivalent Test Between Normal & High Frequency Fluorescent Lamp and LED Tube
India – Installation and training of LPCE-3 CCD Spectroradiometer Integrating Sphere Compact System for our client
ISO 17025: Accreditation Criteria for the Competence of Testing and Calibration Laboratories
LISUN 3M Integrating Sphere Test Results Comparison with Third Party Laboratory
Can we use LMS-6000 portable CCD spectroradiometer to test luminous flux lumen?
Introduction of Conducted Immunity Testing
Reasons of errors for LED Lamp Testing
LED Lamps Aging and Life Test
Surge generator: IEC 61000-4-5-2014 Surge Immunity Test
LISUN Exhibition Notice: 30 November to 2 December 2017 LED Expo Delhi
Lithuania -Installation and Training for LPCE-3 CCD spectroradiometer and integrating sphere compact system
How to choose the right goniophotometer according to the standard LM-79 and EN13032-1?
Spain – Installation 3m integrating sphere spectroradiometer system
Bulgaria – Training for LPCE-2 spectroradiometer integrating sphere system, LSG-1700B type B goniophotometer and LSRF-2 run up and flicker test
HCS-109A Adjustable LED High Frequency Reference Ballast is for Type A LED Tube Test
Columbia – Installation for waterproof & dustproof test, goniophotometer, temperature humidity chamber, vibration table, UV lamps aging chamber, etc
Brazil – Our Engineer Went to install LSG-1800B goniophotometer and LPCE-3 integrating sphere system
What is EMC and What equipment do you need if you want to do EMC test?
Turkey – Installation and Training for LPCE-3 Spectroradiometer Integrating Sphere
The Lighting Product EMC Problem and Testing Technology
The main differences between the LED driver standards ANSI / UL8750 and EN / IEC 61347-2-13
Morocco- Install LPCE-2 Spectroradiometer Integrating Sphere System and DYJ Adjustable Reference Ballast
AMA: LED Street Light above 3000K Bears More Health Risks
IEC60598 General Requirements and Testing
LISUN Design 3m Electric Integrating Sphere
What is TM-30?
LPCE-3 Compact Spectroradiometer & Integrating Sphere System
Thailand – Installed LSG-1800B goniophotometer, LPCE-3 integrating sphere and WT2080 LED driver tester
Algeria – National Lab Ordered Whole LED Lighting Test Systems from Lisun Group
Mexico – Installation and training for 3m integrating sphere system for two clients
Ecuador – Install IP waterproof dustproof test chamber, temperature humidity chamber and IK level test
Austrilia and Indonesia – Installed goniophotometer, integrating sphere, surge generator and electrical safety test
UV Aging Test Chamber Introduction
Glow wire test
Japan – Installation and training for customer who purchased DYJ Adjustable Reference Ballast From Lisun
Netherland – Installation and Training for High Frequency Fluorescent Lamp Test System from Lisun Electronics Inc
CIE Published Latest CIE S025 LED Lamps, LED Luminaires and LED Modules Test Standard
Mexico_ Free installation and training for ATE-1 Electronic Ballast Automatic Test System and ATE-2 LED Driver Automatic on-line Test System, JL-3456 waterproof equipment and ZY-3 Needle Flame Tester for customer
Lumen test difference between integrating sphere and goniophotometer
Turkey – Free Installation and training for LPCE-3 Spectrometer & Integrating Sphere Test System, LSG-1700B Rotation Luminaire Goniophotometer
Research of the Optical Parameter’s Test Accuracy on Integrating Sphere Reflective Coating and the Installation Position of LED lighting
India_ Free Installation of LPCE-3 (LMS-7000VIS) Spectrometer Integrating Sphere compact System
Electrical Safety Performance Test
Electric and Electronic Products’ Fire Hazard Test Method
Relationship Between Total Flux, Nominal Flux and Test Flux
LISUN Will Attend 2013 Hong Kong International Lighting Fair (Autumn Edition)
Improve the accuracy of the LED flux testing in the Sphere
Programmable Lighting Safety Tester
LEDs Test Terms and Definitions
Photometry, Colorimetry and Electricity Test System
LED Quality Testing Instruments
Vacuum Heating and Drying Ovens
Spectral Radiance Colorimeter
IEC 60065:2014 Audio, video and similar electronic apparatus – Safety requirements
IEC 62640:2011 Residual current devices with or without overcurrent protection for socket-outlets for household and similar uses
IEC 60969:2016 Self-ballasted compact fluorescent lamps for general lighting services – Performance requirements
CDNE Coupling Decoupling Network: Principles, Applications, and Performance Analysis
IEC 61195:2014 Double-capped fluorescent lamps – Safety specifications
IEC 61058-1:2016 Switches for appliances – Part 1: General requirements
IEC 60669-1:2017 Switches for household and similar fixed electrical installations – Part 1: General requirements
IEC 60898-1: 2019 Electrical accessories – Circuit-breakers for overcurrent protection for household and similar installations – Part 1: Circuit-breakers for a.c. operation
IEC 62986:2017 Plugs, socket-outlets and couplers with arcuate contacts
IEC 60570:2019 Electrical supply track systems for luminaires
IEC 60227-1:2007 Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V – Part 1: General requirements
IEC 60245-1:2008 Rubber insulated cables – Rated voltages up to and including 450/750 V – Part 1: General requirements
IEC 62612:2018 Self-ballasted LED lamps for general lighting services with supply voltages > 50 V – Performance requirements
IEC 62560: 2011 Self-ballasted LED-lamps for general lighting services by voltage > 50 V – Safety specifications
IEC 60998-1:2002 Connecting devices for low-voltage circuits for household and similar purposes-Part 1:General requirements
IEC 62560:2015 Self-ballasted LED-lamps for general lighting services by voltage>50V-Safety specifications
Road Pavement Protruding Signs Mark Retroreflectometer
Gauges Figure 174.2 of UL 498
Gauges Figure 124.5 of UL 498
IEC 61020-1: 2019 Electromechanical switches for use in electrical and electronic equipment – Part 1: Generic specification
UL 8750: 2022 Standard For Safety-Light Emitting Diode(LED)Equipment for Use in Lighting Products
UL 1598: 2012 Standard For Safety – Luminaires
Understanding the Humidity Chambers: Simulation of Humidity Resilience through Climatic Conditions
IS 15885 (Part 1): 2011 Safety Of Lamp Controlgear Part 1 General Requirements
IS 16107-2-1: 2012 Luminaires Performance-Part 2 Particular Requirements-Section 1 LED Luminaire
IEC 60245-1 Clause 5.1.5 | IEC 60245-2 Clause 2.1 | IEC 60468 Universal Conductor Resistor Fixture
IEC 60947-1:2020 Low-voltage switchgear and controlgear-Part 1:General rules
IS 16102(Part 2): 2017 Self-Ballasted LED Lamps for General Lighting Services Part 2 Performance Requirements
Working Principle and Applications of XRF Analyzers
Gauge for Outlets 16A 250V A.C. of IEC 60906-1 Figure 6
Spectrum Analyzer: Precision Instrument for Measuring Electrical Signal Spectral Characteristics
IS 15518-1: 2004 Tungsten Filament Lamps ForDomestic And Similar General Lighting Purposes
IS 15111-1: 2002 Self Ballested Lamps For General Lighting Services
IS 7785-1 Elevated type aerodrome lighting fittings Part 1: General requirements
Guide to Using a Spectrum Analyzer for Harmonic Measurement
IS 2418-1: 2018 Tubular Fluorescent Lamps for General Lighting Service
IS 418: 2004 Tungsten Filament Lamps For Domestic and Similar General Lighting Purposes
IS 16614: Part 1: 2018 Double-Capped LED Linear Lamps Part 1 Safety Specification
IS 16107(Part 1): 2012 Luminaires Performance Part 1: General requirements
IS 16106: 2012 Method of Electrical and Photometric Measurements of Solid State Lighting (LED) Products
IS 16105: 2012 Method of Measurement of Lumen Maintenance of Solid State Light (LED) Sources
IS 16104: 2012 d.c.OR a.c. Supplied Electronic Control Gear for LED Modules-Performance Requirements
IS 16102(Part 1): 2012 Self-Ballasted LED Lamps for General Lighting Services Part 1 Safety Requirements
IS 16101: 2012 General Lighting-LEDs and LED Modules-Terms and Definitior
Spring Impact Hammer Calibrating Device
Color Densitometer
SASO 2870 Energy Efficiency, Functionality, and Labeling Requirements for General Light Sources
SASO 2927 Energy Efficiency Functionality and Labeling Requirements for Lighting Products – Part III: Street Lighting
IEC 60598-1:2024 Touch Current Measuring Network G.1
IEC 60670-1 Boxes enclosures for electrical accessories for household and similar fixed electrical installations
IEC 60884-1 Clause 24.12 Mechanical Strength for Checking the Space Between the Mobile Socket and the Wall for Hanging and the Insulation Layer Between Live Parts
What should I do if the results measured by the colorimeter are abnormal
The Application of Chroma Meter in the Cosmetics Industry
A Deeper Study – Coupling and Decoupling Networks: What is Coupling and Decoupling Technology
Uneven CIE Yxy Color Space of Colorimeter
Analytical optical detector – colorimeter, glossmeter
The Practical Application of Spectrum Analyzer in Real Life with Signal Analyzer
The main purpose of color matching for colorimeter
Physical optics -Gloss meter and Colorimeter
Spectrum Analysis and Spectrum Analysers: Unlocking the Potential of Data Analysis.
Integrating Sphere: Introduction & Cost Effective Solutions
Color difference method of measuring by colorimeter
Symmetric DC Artificial Mains Network (LISN PVDC)
Colorimeter Δ Analysis of E * ab-H-C three-dimensional map and contour map
An Overview of EMI Measurement Equipment for Conducted and Radiated Emission Analysis
Exploring the Inner Workings of Colorimeter: How They Measure Color Differences
“Integrating Sphere: A Comprehensive Overview of Properties and Applications”
Articulate Probe with Web Stop Live Parts of UL 498 Figure 9.1
The application of Colorimeter in paint, spraying and ink color matching
Goniophotometers for Optical Characterization of Lighting Components
Goniophotometers in Virtual Reality Lighting Design
Key Components of a Goniophotometer: Exploring the Setup
SB0504A Uninsulated Knife Probe of UL 749 Fig.4
Enhancing Measurement Accuracy with High Precision Spectroradiometer Integrating Sphere Systems
Articulate Uninsulated Probe of UL 2200 Figure 8.1
The importance of LM-82 Standard against the lighting industry
Environmental Chambers in the Food and Beverage Industry: Ensuring Product Safety and Quality
High Precision Spectroradiometer Integrating Sphere Systems for Solar Irradiance Measurements
The Future of Goniophotometry: Emerging Technologies and Trends
Calibration of Goniophotometers: Ensuring Accuracy and Traceability
Articulate Probe Illustrated of UL 1278 Figure 8.4
How to Select the Right Handheld Colorimeter for Your Needs
EN 61010-1 Safety requirements for electrical equipment for measurement, control, and laboratory use-Part 1: General requirements
EN 50075 Flat non-wirable two-pole plugs, 2,5 A 250 V, with cord, for the connection of class I-equipment for household and similar purposes
IEC 60065 Audio, video and similar electronic apparatus – Safety requirements
IEC 60884-1 Plugs and socket-outlets for household and similar purposes – Part 1: General requirements
IEC 60950-1 Information technology equipment – Safety – Part 1: General requirements
IEC 61010-1 Safety requirements for electrical equipment for measurement, control, and laboratory use – Part 1: General requirements
IEC 62109-1 Safety of power converters for use in photovoltaic power systems – Part 1: General requirements
UL 749 STANDARD FOR SAFETY Household Dishwashers
UL 1082 STANDARD FOR SAFETY Household Electric Coffee Makers and Brewing-Type Appliances
UL 1989 STANDARD FOR SAFETY Standby Batteries
UL 60065 STANDARD FOR SAFETY Audio, Video and Similar Electronic Apparatus一 Safety Requirements
UL 60950-1 STANDARD FOR SAFETY Information Technology Equipment Safety Part 1: General Requirements
UL 498 STANDARD FOR SAFETY Attachment Plugs and Receptacles
UL 499 STANDARD FOR SAFETY Electric Heating Appliances
UL 507 STANDARD FOR SAFETY Electric Fans
UL 921 STANDARD FOR SAFETY Commercial Dishwashers
Uninsulated Live Parts Probe of UL 1278 Fig 8.1
High Precision Spectroradiometer Integrating Sphere Systems for Accurate Colorimetry Measurements
UL 982 STANDARD FOR SAFETY Motor-Operated Household Food Preparing Machines
UL 1017 STANDARD FOR SAFETY Vacuum Cleaners, Blower Cleaners, and Household Floor Finishing Machines
UL 1062 STANDARD FOR SAFETY Unit Substations
UL 1278 STANDARD FOR SAFETY Movable and Wall-or Ceiling-Hung Electric Room Heaters
Learn what is color difference
UL 6500 AudioVideo and Musical Instrument Apparatus for Household, Commercial, and Similar General Use
VDE 0470-1-2017 Plugs and Sockets For Household and Similar Purposes
Advances in Calibration Methods for High Precision Spectroradiometer Integrating Sphere Systems
The Role of High Precision Spectroradiometer Integrating Sphere Systems in Color Quality Assessment
Principles of Goniophotometry: Understanding the Basics
Innovations in Design and Technology of High Precision Spectroradiometer Integrating Spheres
Measuring Conducted Emissions and Radiated EMI Using EMI Measurement Equipment.
Exploring the Inner Workings of Gloss Meters: How They Measure Surface Glossness
Articulate Probe of UL 2200 Figure 8.1
Articulate Probe with Web Stop of UL 498 Figure 9.1
UL 507 Articulate Probe with Web Stop PA100A UL
International Electrotechnical Commission with UL 1017 Figure 4
UL 1017 Figure 25 Accessibility Probe
Articulate Probe of UL 1278 Figure 8.4
4.0mm Hazardous Live Parts Probe
Gauge for Checking Non-Accessibility with IEC60884 Figure 9/10
Analyzing the Influence of Environmental Factors on High Precision Spectroradiometer Integrating Sphere Measurements
IEC 60745-1 Hand-held motor-operated electric tools -Safety -Part 1:General requirements
IEC 60745-2-1 Hand-held motor-operated electric tools-Safety-Part 2-1:Particular requirements for drills and impact drills
IEC 60745-2-11 Hand-held motor-operated electric tools – Safety -Part 2-11: Particular requirements for reciprocating saws (jig and sabre saws)
IEC 60745-2-12 Hand-held motor-operated electric tools -Safety -Part 2-12: Particular requirements for concrete vibrators
IEC 60745-2-14 Hand-held motor-operated electric tools -Safety -Part 2-14: Particular requirements for planers
IEC 60745-2-2 Hand-held motor-operated electric tools – Safety -Part 2-2: Particular requirements for screwdrivers and impact wrenches
IEC 60745-2-4 Hand-held motor-operated electric tools – Safety -Part 2-4: Particular requirements for sanders and polishers other than disk type
SAE ARP4087D Wing Inspection Lights – Design Criteria
Impedance Analyzer: What Is The Principle of Impedance Measurement
12.7mm & 0.5 inch Steel Ball of UL
Steel Sphere with Dia. 50mm
Dia. 50mm Steel Sphere with Hook
UL Rod Probe of UL 1278
Hazardous Moving Parts Probe PA160 UL of UL 1278
UL Enameled Wire Probe PA140A of UL 1278
UL 507 UL Probe for Film-coated Wire
Uninsulated Live Part with standard UL 921 Figure 2 Probe
SB0504A Knife Probe of UL 749 Fig 9.2
UL Accessibility Knife Probe of UL 749 Fig 9.2(SB0504A)
Uninsulated Live Parts Probe of UL 1278 Fig 8.1
Cone Probe with UL 1278 Fig.10.1
Bar Probe with UL 1278 Figure 10.2
IEC 60745-1 6mm Steel Ball
IEC/EN 60950 12mm Hemispherical Hard Rod
Articulate Probe with CSA C22.2 No.12 Figure 1
Gauge for Checking Impossibility of Single-pole Insertion of Plugs Into Socket-outlets without Position Rack
IEC 60065 standard 40mm 265g Steel Ball with Eyebolt
Integrating Sphere & Spectroradiometer for Photometry
High Precision Spectroradiometer Integrating Sphere Systems for Spectral Power Distribution Measurements
The Difference Between Spectrum Analyzer And EMI Receiver
BS EN IEC 60086-4 Primary batteries – Part 4: Safety of lithium batteries
Understanding the Calibration Process for Temperature Humidity Chambers
The Importance of Uniform Illumination in High Precision Spectroradiometer Integrating Sphere Systems
Integrating sphere maintenance skills and common issues will meet
SAE ARP694D Aerial Refueling Lights – Design Criteria
System principle of constant temperature humidity chamber
Effects of Electromagnetic Interference on People and Electronic Devices
High Precision Goniophotometer for Accurate Lux Measurement
Coupling Decoupling Network for Power Lines
Turkey – Customer successfully install and operate LISUN LSG-6000S LM-79 Moving Detector Goniophotometer by watching the operation video
CIE RG chromaticity diagram of colorimeter
Ferrite Core Meter
LCR Meter with DC Bias Current Source
Capacitor Meter
Impedance analyzer
Spectrophotometer and computer automatic color matching system
The 10 classic issues commonly used by EMC engineers
EN 2240-002 Aerospace series – Lamps, incandescent – Part 002: Main characteristics
Radio Frequency Current Probe
Questions and answers to the colorimeter
ESD Gun Calibration: Importance, Process, and Best Practices
Digital Oscilloscope vs. Analog Oscilloscope: Which is Right for You?
Using Integrating Spheres for Accurate Colorimetry and Color Rendering Index (CRI) Measurements
Advantages and Limitations of Digital Oscilloscopes
Advancement in Integrating Spheres of Design and Technology
ECE R.65 UNIFORM PROVISIONS CONCERNING THE APPROVAL OF SPECIAL WARNINGLAMPS FOR MOTOR VEHICLES
EN 2240-001 Aerospace series – Lamps, incandescent – Part 001: Technical specification
How to Calibrate and Maintain Your Digital Oscilloscope for Accurate Measurements
Investigating the Influence of Sample Size and Shape on Integrating Sphere Measurements
Temperature Humidity Chambers: Ensuring Optimal Performance of HVAC Systems
Understanding the Technology Behind Spectrophotometers: How Colorimeters Work
Applications of Integrating Spheres in Light Source Characterization
Integrating Sphere: An Important Tool in the Lighting Industry
Enhancing Measurement Accuracy with Integrating Sphere Coatings and Reflectance Standards
Measuring Gloss with Gloss Meters: An Essential Guide
How Goniophotometers Measure Light Distribution
Exploring the Different Types of Probes Used with Digital Oscilloscopes
Advanced Techniques for Spectrum Analysis: Unleashing the Full Potential of Spectrum Analyzers
Colorimeters: The Key to Accurate Color Matching and Quality Control
IEC 60745-2-8 Hand-held motor-operated electric tools – Safety -Part 2-8: Particular requirements for shears and nibblers
The Science of Gloss Measurement: How Gloss Meter Work
IEC 60745-2-9 Hand-held motor-operated electric tools-Safety-Part 2-9: Particular requirements for tappers
IEC 60745-2-5 Hand-held motor-operated electric tools-Safety-Part 2-5:Particular requirements for circular saws
IEC 60745-2-6 Hand-held motor-operated electric tools-Safety-Part 2-6: Particular requirements for hammers
Choosing the Right Spectrum Analyzer for Your Needs: A Buying Guide
Haze and Turbidity Measurement Techniques
IEC 60809 Lamps for road vehicles- Dimensional, electrical and luminous requirements
SASO 2902 Energy Efficiency, Functionality and Labelling Requirements for Lighting Products Part 2
Maintaining Accuracy in Gloss Measurement with Single Angle Technology
Spectrometer Calibration: Ensuring Accuracy in Spectral Measurements
Spectrum Analyzers: Unveiling the Invisible Frequency Landscape
How to control product color difference in production with colorimeter
IEC 62595-2-5 Display lighting unit-Part 2-5: Measurement method for optical quantities of non-planar light sources
IEC 60810 Lamps, light sources and led packages for road vehicles-Performance requirements
Integrating Sphere Measurements: An Overview of Principles and Applications
LM-79 Moving Detector Goniophotometer: Revolutionizing Photometric Measurements in Lighting Technology
How To Select a Gloss Meter
Precautions in the useful of colorimeter
Application of Chroma Meter in manual color matching measurement
General Introduction to Colorimeter
How to deduce the whiteness calculation formula
Properties of three colors
Using an Integrating Sphere for Reflectance Spectroscopy
Difference between colorimeter and spectrophotometer
Application of spectrophotometer
Introduction to main applications of colorimeter
Color mixing skills and ink mixing skills of colorimeter assisted printing industry
Application of colorimeter to color difference
Application of colorimeter in wine quality detection
Evaluation of pork color by colorimeter
Application of colorimeter in various industries
Application of colorimeter in textile and garment industry
Relationship between the use of colorimeter and color space
The main purpose of color matching of colorimeter
Analyzing the Relationship between color difference and colorimeter
Color measurement system of colorimeter
Principle of three primary colors of colorimeter
Six Factors Affecting the Measurement of color by colorimeter
Use a colorimeter to control the color difference of the product
Principle of three primary colors of chroma meter
Industrial Application of colorimeter and Precautions
Matters needing attention when purchasing colorimeter
The influence of reducing color difference on consumers by colorimeter
On the principle of color measurement and color matching
Difference between colorimeter, densitometer and whiteness meter
The Application Differences between Colorimeter and Spectrophotometer
Problems and Solutions of colorimeter
Relationship between the use of colorimeter and color
Brief Introduction of colorimeter and color difference
ANSI/IES LM-66 Electrical and Photometric Measurements of Single-Based Fluorescent Lamp
ANSI/IES LM-20 Photometry of Reflector Type Lamps
ANSI/IES LM-45 Electrical and Photometric Measurements of General Service Incandescent Filament Lamps
CIE 70 The Measurment of Absolute Luminous IntensityDistributions
CIE S 010/E Photometry-the CIE System of Physical Photometry
LED luminaires measurement by spectroradiometer integrating sphere system
ANSI/IES LM-51 Electrical and Photometric Measurement of High Intensity Discharge Lamps
Color Measurement Tips – About Colorimeter Illumination and Observation Geometry
ANSI/IES LM-78 Total Luminous Flux Measurement of Lamps Using an Integrating Sphere Photometer
ANSI/IES LM-79 Electrical and Photometric Measurements of Solid-stateLighting Products
Integrating sphere main fundamentals and applications
Color attributes and color space
CIE 094 Guide for floodlighting
ANSI/IES LM-82 Characterization of Optical and Electrical Properties of Solid-State Lighting Products as a Function of Temperature
CIE 015 Colorimetry, 4th edition
CIE 088 Guide for the lighting of road tunnels and underpasses, 2nd ed
CIE 084 Measurement of luminous flux
ANSI/IES LM-92 Optical and Electrical Measurement of Ultraviolet LEDs
What is a spectrum analyzer and explain its applications
ANSI/IES LM-9 Electrical and Photometric Measurement of Fluorescent Lamps
ANSI/IES LM-90 Measuring Luminous Flux Waveforms for Use in Temporal Light Artifact (TLA) Calculations
What is the purpose of the colorimeter
The operation steps of an integrating sphere spectrophotometer system
IK code: Impact protection in line with the IEC62262 standard
Cone Calorimeter
NBS Smoke Density Chamber
CIE 114 CIE Technical Collection in photometry and radiometry
CIE 121 The photometry and goniophotometry of luminaries
CIE 127 Measurements of LEDs
CIE 194 On Site Measurement of the Photometric Properties of Road and Tunnel Lighting
ANSI/IES LM-85 Optical and Electrical Measurements of LED Packages and Arrays
Benefits of Using an Integrating Sphere Light Measurement Device
How you can use LISUN’s Magnetic Shielding Cabinet
Two common problems in the use of colorimeter
What are LM-79 Moving Detector Goniophotometers used for
How to calculate the color difference of colorimeter?
How to use a digital oscilloscope
Gloss Meter with Single Angle
How can you use integrating spheres to measure the quality of LED instruments
How to choose the right lumen sphere for your needs
What is integrating sphere in illumination
The uses and advantages of Integrating Sphere
How does the integrating sphere measure LED lights
Flicker measure principle introduce
Integrating sphere setup for the LED light measurement
Integrating sphere: Sphere with light source
Agricultural plant growth market development
How you can use light source in an integrating sphere to get product reliability results
Integrating sphere: Sphere with light source
Integrating spheres for the Light Measurement
How many types of photometric
Integrating Sphere Fundamentals and Applications
How exactly do the integrating spheres function
Integrating sphere as an instrument for sphere integration
IEC standards for Electronic Products
Integrating sphere and and integrating sphere measurements
The principle and basic calculation of CRI
Integrating spheres for measuring the radiant or luminous flux of light sources
How an integrating sphere works?
How to update Microsoft Signature USB driver for Spectroradiometer and Integrating Sphere
The difference between EMI and EMS
Standard requirement for LED lighting package drop
The eight major heavy metals in toys EU standards and Canadian standard methods
The Importance of Measuring LED Chromaticity
What is the function of the optical integrating sphere
Integrating-sphere system for measuring the optical properties
What does an integrating sphere measure
what is a sphere lighting system?
How do you calibrate an integrating sphere
What are the three goniophotometer types?
Saudi Arabia -Customer self -installation successful for LISUN LPCE-2 High Precision Spectroradiometer Integrating Sphere System
Spectrometer vs. Radiometer vs. Spectroradiometer - Major Differences
Main Differences Between the New Version ERP EU 2019/2020 Directive and Old Version EU 1194/2012
Interpretation of the new version of the EU ErP certification EU2019/2020 standard
Germany-Customers independently installed LPCE-2 (LMS-9000) High Precision Spectroradiometer Integrating Sphere System by watching the video
Turkey-Install the LSG-1800BCCD High Precision Rotation Luminaire Goniophotometer by watching the vedio
Analysis of flicker parameters of several common lighting products
EU announces new ErP regulations and energy efficiency labeling regulations for lighting products
Spectrum Analyzer | Frequency Analyzers
Surge Monitor
Use and detection method of ultraviolet germicidal lamp
(EU) 2019/2015 Introduction of the EU Energy Label Directive: EEI and ƞTM
Black Body Furnace | Tachometer Calibrator
Mask UV Sterilizers
Haze Meter/Turbidity Meter
Haze Meter and Spectrophotometer (Transmittance)
IEC60598 Figure G.4 Simulated Human Impedance Touch Current Measuring Network
Comparative Evaluation between ANSI / IES Standards LM-79-19 and LM-79-08
LISUN 2019 LED Expo New Delhi Successfully Concluded
LISUN 2019 HKTDC Hong Kong International Lighting Fair (Autumn Edition) Successfully Concluded
LISUN Will Attend 2019 LED Expo New Delhi 14th to 16th November
NOM Norma Oficial Mexicana
BIS Bureau of Indian Standards
LCR Digital Bridge
Output Characteristic Analyzer of Electronic Ballast
Input Characteristic Analyzer of Electronic Ballast
Electronic Ballast Analyzer
Voltage Probe
Coupling and Decoupling Network
Artificial Network | Line Impedance Stabilization Network
Three Loop Antenna
High and Low Temperature & Low Pressure Chamber
Coupling Decoupling Network for Communication Lines
High and Low Temperature Thermal Shock Chamber
EFT Immunity Measurement
Digital Oscilloscope
LED Integrating Sphere Spectroradiometer System
ESD Simulator Guns
Multiplex Optical Maintenance Meter
Optical Path Converter
LED Thermal and Electrical Performance Analyzer
Thermal Resistance Spectroradiometeric System for LED
Programmable DC Electronic Load
CCD Spectroradiometer Integrating Sphere Compact System
High Accuracy Spectrophotocolorimeter
Benchtop Liquid Spectrophotometer (Transmittance)
Benchtop Spectrophotometer (Reflectance and Transmittance)
MOS Transistor Selector
Transistor’s Multi-Functional Selector
Transistor’s Thermal Sensitive Parameter Selector
MOS Transistor Selector
Magnetic Core Selector
DC Bias Current Source
Magnetic Material Analyzer
Digital CC and CV DC Power Source
Digital CC and CV DC Power Supply (High Precision)
“Go” and “Not Go” Gauge
Digital Torsion Meter
Lamp Preheat Assistant Source
High Frequency Power Supply
Temperature Humidity Chamber | Thermal Chamber
High Precision Spectroradiometer Integrating Sphere System
LM-79 Moving Detector Goniophotometer (Mirror Type C)
The Methods and Principles for LED Lighting EFT Immunity Measurement According to IEC 61000-4-4
How to Disable Digital Driver Signature Enforcement for 64bit WIN 7 8 10?
LISUN held a lighting Technology Salon in Egypt
LISUN held a lighting technology salon in Iran
LISUN held a lighting technology salon in Saudi Arabia
How to measure electric, photometric and colorimetric parameters for LED lamps and lanterns?
Brazil – LISUN Engineers do Installation & Training in Brazil for LSG-1700B Goniophotometer and other devices
Brief introduction of CE certificates
LED packaging principle
LISUN will visit India to attend the New Delhi Lighting Fair in October 2018
How to Measure the High Frequency Fluorescent Lamp
Similarities and Differences between Photometric Measurements of Goniophotometer and Integrating Sphere for Solid State Lighting Products
How to measuring LED lamp start, run up time and flicker effectively?
Analysis on the Status of Certified LED Bulb in USA Energy Star
Two Directions on LED Intelligentized: Intelligent Agriculture and Lifi
What is color difference SDCM and how to do the measurement?
The definition and analysis of optical parameters of LED
Definition and analysis of LED efficiency
Automotive LED Light
How to Solve the Stroboscopic Problem of LED Lighting?
Spain – LISUN engineer Jacky visited new customers
LISUN successfully participate in the Lighting Poland 2018
LED light spectrum related knowledge
Saudi Arabia-Lisun engineers install LSG-5000CCD LM-79 Type C Moving Detector Goniophotometer
LISUN participate in the largest Lighting Fair in Russia – Interlight Moscow
LISUN Exhibition Notice: November 2017 Thailand International Lighting Fair
LISUN Exhibition Notice: November 2017 Interlight Moscow
LISUN Participate in the 2017 Hong Kong International Lighting Fair
Lithuania – LISUN engineer visted our client in Lithuania
LISUN engineer come back with fruitful result from the Istanbul Lighting Exhibition
LISUN Exhibition Notice: October 2017 Hong Kong International Lighting Fair
LISUN Exhibition Notice: September 2017 Istanbul Lighting Exhibition
LISUN Exhibition Notice: 2017 Year “One Belt One Road” The Baltic states Economic Forum
How to choose integrating sphere to measuring different lamps
Intelligent Lighting
LED Plant Lighting Lamp
Saudi Arabia – Install integrating sphere, goniophotometer, dust chamber and environmental chamber
The Status of Integrating Sphere in China Market
The Differences between LED and OLED
What is the Integrating Sphere?
CISPR15 Three Loop Antenna Function Introduction
A comparison of standard IES LM-79-08 and IES LM-80-08
Maintenance Method of Integrating Sphere
Standard operating procedures of Spectroradiometer & Integrating Sphere System
Parameter requirements for qualified standard lamps and how to judge lamps and lanterns
CE-LVD Low Voltage Directive Overview
Limits and methods of measurement of radio disturbance characteristics of electrical lighting and similar equipment
India LED Lighting Market in 2016
According to IESNA-LM-79, How to Choose the Integrating Sphere and Goniophotometer
Too slow for LED aging? Try this!
LED Lighting development in future
The Difference between LED Light Sources
Hong Kong Lighting Fair 2016 – LISUN as an Exhibitor
LISUN 2016 New Delhi LED Lighting Exhibition
CQS and CRI
How to Choose the Right LED Lighting with Appropriate Color Temperature?
Difference between Electronic Ballast and Inductive Ballast
What is the LED MCOB Package? The Difference between MCOB and LED COB Package
LISUN on the 2016 Frankfurt (Lighting+ Building) Fair
What are PAR, PPF, PPFD and how to do the measurement
The Method of Measuring LEDs and LED Luminaires Flicker
Chile – Provide installation and training for the customer who purchased integrating sphere and Spectroradiometer,ect from LISUN
Technical Seminar of LISUN & Automate Team in Mumbai
LISUN will attend 2016 Germany Frankfurt Lighting Fair( Light + Building)
Malaysia and Indonesia – Training for integrating sphere and goniophotometer systems
AC and DC Power Supply Introduction
LISUN on the 2015 New Delhi LED Expo
The Development of Energy Management Control System in Japan
USA -Installation and Training for LPCE-1 spectrophotometer integrating sphere and LSG-2000 goniophotometer from LISUN
How to choose integrating sphere
Knowledge of LED and Fluorescent Powder
LISUN on HKTDC Hongkong Lighting Fair
LISUN Products in Seoul International LED & OLED Exhibition 2015
LISUN on the 2015 HKTDC Hong Kong Lighting Fair
The Description of Integrating Sphere Coating
Why need Auxiliary Lamp and how to use Auxiliary Lamp correctly?
How to choose right Spectroradiometer & integrating sphere system
LISUN on HKTDC 2014 Lighting Fair
Color Rendition Index CRI
New Integrating Sphere Design
Maintenance of Goniophotometer and Integrating Sphere
The Role of Integrating Sphere
Development of OLED Equipment Manufacturing Technology
2012 HKTDC Lighting Fair Autumn Edition
LISUN Will Attend HKTDC Hong Kong International Lighting Fair
CIE Lighting Body and Standard Illuminant
LISUN Moves to New Office
Software update for LMS-5000
Alighting Guangzhou International Lighting Exhibition-2011
2009 Guangzhou Lighting Show
Chinese New Year Holiday
Hong Kong Global Sources Fair