Common problems of DC resistance tester
Common problems encountered by DC resistance testers: 1. Burn insurance at boot Generally, this kind...
March 2026
hvhipot The measured resistance is too large
The reason and solution for the large resistance value of the earth grid grounding resistance...
Dc resistance tester operation
Several points that should be paid attention to when operating dc resistance tester Dc resistance...
Partial discharge in the switchgear
In the process of long-term operation of switchgear and ring main unit, due to many...
Current method of zinc oxide arrester tester
We know that under the excitation of sinusoidal voltage, the leakage current of the zinc...
DC power supply test and AC power supply test
The DC resistance tester is mainly used to measure the DC resistance of various inductive...
Problems in the use of circuit resistance tester
Loop resistance tester in HV Hipot Electric Co., Ltd. daily use will inevitably encounter a...
Dc resistance tester with built-in battery
Dc resistance tester built-in battery maintenance: Charge on a regular basis When the instrument for...
Winding deformation tester deformation
The local deformation of transformer winding deformation tester means that the total height of the...
Safety tips for insulation resistance testers
Insulation resistance tester in use matters needing attention: 1. Work on power lines where possible....