Master the secret of AC withstand voltage test
In the world of power equipment, the word “safety” is more important than Mount Tai....
January 2026
sion932 Sulfur hexafluoride leak detector
In modern power systems, sulfur hexafluoride (SF ₆) plays a crucial role, especially in high-voltage...
Six phase relay protection tester
In the rapidly changing power system, relay protection devices play a crucial role. They are...
Unveiling the ‘Fully Automatic Oil Tester’
Have you ever felt a headache about the tedious process of oil testing? In today’s...
What is a DC resistance tester?
A DC Resistance Tester (also called a Micro-ohmmeter or Low-Resistance Ohmmeter) is a precision instrument designed to measure extremely low…
What is the AC voltage test set?
An AC voltage test equipment is a specialized device used to apply power-frequency (50Hz/60Hz) or variable-frequency...
How to perform a DC hipot test?
The DC hipot tester under HV Hipot Electric Co., Ltd. can help many power workers conduct various power...
Principles of AC Withstand Voltage Test
What is the principle of AC withstand voltage test? HV Hipot Electric Co., Ltd. specializes...
Why VLF test?
Irreplaceable Advantages of VLF Testing 1.Enhanced Safety & Insulation Protection: Uses very low frequency AC (0.1 Hz) to...
Is VLF testing AC or DC?
Very Low Frequency (VLF) testing is fundamentally an Alternating Current (AC) test, despite its extremely low...