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The working principle of the salt spray test chamber
13 Jan, 2021 75

The working principle of the salt spray test chamber

Application Field: The salt spray test machine is also called the salt spray test chamber, the full name is the salt spray test chamber, which is mainly used to test the corrosion resistance of the samples. At present, it is widely used in the aerospace industry, automotive electronics, electronics and electrical, mobile phone digital, plastic products, metal materials and other industries to test...

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How to maintain the high and low temperature with humidity test chamber under long-term idle
07 Jan, 2021 120

How to maintain the high and low temperature with humidity test chamber under long-term idle

Many customers have purchased LISUN GDJS high and low temperature with humidity test chamber, but they will not use them frequently after purchase. It often needs to be idle for a period of time after the test, and continue to be used when they need to do test. Therefore, how to maintain the high and low temperature humidity test chamber when it is idle for a long time? The high and low temperatur...

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Salt Spray Corrosion Test
18 Dec, 2020 329

Salt Spray Corrosion Test

ISO is the worldwide union of national standards. The international standard ISO 9227 has been developed by the ISO/TC 156 Metals and Alloys Corrosion Technical Committee. There are many factors affecting metal corrosion. A single salt spray resistance cannot replace the performance of other media, so this standard cannot be used as a direct guide to the corrosion resistance of the tested material...

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Introduction of the oscilloscope
10 Dec, 2020 370

Introduction of the oscilloscope

The oscilloscope is divided into a digital oscilloscope and an analog oscilloscope. With the development of technology, the requirements for test accuracy have been improved, and the analog oscilloscope has gradually been eliminated. Digital oscilloscopes basically support multi-level menus and can provide users with multiple choices. Also with storage, the most important indicator of a digital os...

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Analysis of flicker parameters of several common lighting products
27 Nov, 2020 458

Analysis of flicker parameters of several common lighting products

1. Introduction of flicker parameter Flicker (light source flicker) means that the light output of the lighting source fluctuates with a certain frequency. At present, the international research results on strobe include IEEE std1789, IEC TR61547, CIE TN 006, etc. 1.1. Flicker percentage and flicker index in IEEE std1789 The flicker index refers to the area above the average light output line in a...

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UV-263LS UV Aging Testing Chamber is Designed According to ISO 4892-1:2016-1 Scope
26 Nov, 2020 410

UV-263LS UV Aging Testing Chamber is Designed According to ISO 4892-1:2016-1 Scope

The full name of ISO 4892-1:2016 is Plastics-Methods of exposure to laboratory light sources-Part 1: General guidance. It was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 6, Aging, chemical and environmental resistance. We will introduce the ISO 4892-1:2016-1 Scope. The following is the original content of ISO 4892-1:2016-1 Scope. This part of ISO 4892 provides information ...

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Definition and Test Method of LED Flicker
26 Nov, 2020 420

Definition and Test Method of LED Flicker

LED flicker, that is, the LED liquid crystal display screen flickers. The LED liquid crystal display has a backlight strobe in low-brightness mode, similar to the old CRT display. Use your fingers to quickly shake in front of the screen to see smear. 1. LED flicker refers to two concepts: The first is flicker: the depth of fluctuating light flux of the electric light source. The greater the fluctu...

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Brief talking about LM-79 Moving Detector Goniophotometer
20 Nov, 2020 403

Brief talking about LM-79 Moving Detector Goniophotometer

The LM-79 is the North American Lighting Association’s standard for test methods for LED products. The LM-79 is an electrical and photometric method for solid state lighting products. Test methods for all LED products, including test content: electrical parameters, color parameters, luminous flux, luminous efficiency, light intensity distribution, chroma non-uniformity. ENERGY STAR has a lar...

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EMI conducted interference test(9KHz~30MHz) and radiation interference test(30MHz~300MHz) introduce
20 Nov, 2020 386

EMI conducted interference test(9KHz~30MHz) and radiation interference test(30MHz~300MHz) introduce

Electromagnetic interference (abbreviated as EMI) refers to the interference phenomenon caused by the interaction of electromagnetic waves and electronic components. There are two types of conducted interference and radiated interference. Conducted interference refers to the coupling (interference) of signals on one electrical network to another electrical network through a conductive medium. Radi...

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