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How to Choose a Solid State Power Amplifier for IEC 61000-4-3 Radiated Immunity Testing
19 Sep, 2026 9 Author: Cherry Shen

How to Choose a Solid State Power Amplifier for IEC 61000-4-3 Radiated Immunity Testing

Abstract IEC 61000‑4‑3 RF Immunity Test Amplifier serves as the core hardware for constructing a complete radiated RF electromagnetic field immunity test system. Thanks to stable linear output and low‑distortion spectral characteristics, solid‑state RF power amplifiers have become the mainstream solution in the industry. The IEC 61000‑4‑3 standard imposes mandatory constraints on the o...

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Ensuring CE Certification Compliance: Harmonics and Flicker Testing for LED Drivers and Luminaires
18 Sep, 2026 28 Author: Cherry Shen

Ensuring CE Certification Compliance: Harmonics and Flicker Testing for LED Drivers and Luminaires

Abstract For LED drivers and various lighting luminaires exported to the EU market, the CE‑EMC directive mandates two critical tests: harmonic current emission, voltage fluctuation and flicker. The corresponding standards are GB 17625.1 (identical to IEC 61000‑3‑2) and GB 17625.2 (identical to IEC 61000‑3‑3). Without standardized and high‑precision Harmonics and Flicker Analyzer for pr...

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How to Run Compliant Xenon Arc Tests per ISO 4892‑2 and ASTM G155
17 Sep, 2026 6 Author: Cherry Shen

How to Run Compliant Xenon Arc Tests per ISO 4892‑2 and ASTM G155

Abstract During outdoor service of materials, sunlight irradiation, alternating temperature‑humidity conditions and rain spray are primary triggers for fading, mechanical property degradation and surface cracking failures. Xenon Arc Test Equipment replicates the full‑spectrum of natural sunlight via xenon‑arc lamps, establishing accelerated cyclic environments of illumination, high temperatu...

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LED Test Equipment in Photometric, Colorimetric and Electrical Parameter Testing of Various Light Sources
16 Sep, 2026 72 Author: Cherry Shen

LED Test Equipment in Photometric, Colorimetric and Electrical Parameter Testing of Various Light Sources

Abstract The performance evaluation of lighting products relies on the acquisition of complete photometric, colorimetric and electrical indicators. As core instruments for lighting inspection, LED test equipment supports comprehensive performance testing of both conventional gas light sources and solid-state LED light sources. Taking the LISUN LPCE-2 LED CCD Rapid Photometric, Colorimetric & E...

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Research on Application of Structure and Intelligent Control System Salt Fog Test Chamber in Salt Fog Test
15 Sep, 2026 23 Author: Cherry Shen

Research on Application of Structure and Intelligent Control System Salt Fog Test Chamber in Salt Fog Test

Abstract Salt fog test is a core accelerated environmental detection method to evaluate the corrosion resistance of metal coatings, paint films and complete electronic products. The cavity corrosion resistance, temperature and humidity control accuracy and automatic functions of the salt fog test chamber directly affect the stability of test data. Taking the LISUN YWX/Q-010 salt fog test chamber a...

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Technical Research on Glow Wire Testing Using Glow Wire Tester
14 Sep, 2026 31 Author: Cherry Shen

Technical Research on Glow Wire Testing Using Glow Wire Tester

Abstract Glow wire testing serves as a core fire safety detection method to simulate ignition of surrounding non-metallic materials triggered by overheated components inside electrical and electronic products. The accuracy of test conditions directly determines the effectiveness of flame retardancy evaluation. Taking the LISUN ZRS-3H glow wire tester as the research object, this paper illustrates ...

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AC & DC Hipot Tester — What is Hipot Testing Used for
12 Sep, 2026 26 Author: Cherry Shen

AC & DC Hipot Tester — What is Hipot Testing Used for

Abstract: What is hipot testing used for is a frequently raised core question in the electrical manufacturing and testing & certification industry. Hipot testing, also known as dielectric strength test, applies AC/DC high voltage higher than the rated operating voltage to electrical products while monitoring breakdown leakage current. It evaluates the insulation withstand limit of the device u...

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Lightning Surge Generator for Lightning Surge Test
11 Sep, 2026 110 Author: Cherry Shen

Lightning Surge Generator for Lightning Surge Test

Abstract: Lightning-induced overvoltage and transient shocks caused by switching of large-capacity loads on power grids may damage the power and communication ports of electronic equipment. The lightning surge test is a mandatory test item to verify the electromagnetic immunity performance of electrical and electronic products. As core standard equipment for lightning surge test, the LISUN SG61000...

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Luminous Intensity Distribution Measurement and Standardized IES Testing Output of Goniophotometer
10 Sep, 2026 35 Author: Cherry Shen

Luminous Intensity Distribution Measurement and Standardized IES Testing Output of Goniophotometer

Abstract: For lighting products such as LED lights, plant grow lights, outdoor street lights and floodlights exported overseas and applied in engineering projects, complete spatial light distribution data is essential. As a globally universal standard data carrier for luminaire light distribution, IES testing documents serve as core technical files for lighting simulation, product certification an...

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