Knowledge
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30
Jun
VLF Hipot Tester: safer cable testing & smarter maintenance (June 2026)VLF Hipot Tester (Very Low Frequency Tester) helps utilities and industrial user
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30
Jun
Why is the resistive leakage current the only true indicator of arrester aging?Measuring resistive leakage current with harmonic analysis separates the real (l
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30
Jun
How can you quickly test arrester discharge counters with a portable surge counter tester?A portable surge counter tester lets field engineers quickly verify whether an a
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30
Jun
How Is a DC Withstand Test Performed for Arresters?A DC withstand test for arresters applies controlled high voltage to measure the
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30
Jun
Is live arrester testing safer than offline testing?Live arrester testing offers real-time condition monitoring without outages, but
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30
Jun
Partial Discharge Test Equipment: Smarter Insulation Diagnostics for High-Voltage Assets (June 2026)Partial discharge test equipment and PD detectors are now essential for high‑vol
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30
Jun
Insulation Resistance Tester / Megohmmeter Buying Guide for Professionals (June 2026)Insulation Resistance Tester / Megohmmeter selection guide for engineers and buy
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30
Jun
Is “Made in China” Quality the New Benchmark in High-End Electrical Engineering?Chinese high-end electrical engineering has moved far beyond low-cost stereotype
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30
Jun
How does test accuracy reduce legal liability in forensic and high-voltage testing?Accurate, traceable testing with court-ready data dramatically lowers legal liab
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30
Jun
Is your surge arrester failing from internal moisture or surface pollution?Lightning and surge arresters can fail either from internal moisture (broken sea
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30
Jun
Is 3rd harmonic leakage current the key to predicting thermal runaway in MOA arresters?Monitoring the 3rd harmonic component of MOA leakage current is one of the most
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30
Jun
Tan Delta Test Kit / Power Factor Tester: How To Improve Transformer Insulation Diagnostics (June 20A practical guide to Tan Delta Test Kit / Power Factor Tester selection and use,
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30
Jun
DC High Voltage Generator: Safer, Smarter DC Hipot Testing for Modern Grids (June 2026)A DC high voltage generator is essential for DC hipot and leakage tests on cable
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30
Jun
How can you safely connect test leads to a 110kV arrester?To safely connect test leads to the top of a 110kV arrester, work from a detaile
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30
Jun
How do you understand arrester nameplate ratings and test them?Lightning arrester nameplates look complex, but once you decode Uc, Ur and disch
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