How to use dry test transformer correctly?
In terms of the insulation structure layout, according to the principle of the “distance effect”...
March 2026
How to wire the circuit breaker tester
In the power test work, it is often necessary to test the characteristics of high-voltage...
DC resistance tester wiring
The DC resistance tester is a high-precision, wide-range, high-performance microprocessor-controlled resistance tester, which can test...
Loop resistance tester to test resistance
Why is the resistance too large when the loop resistance tester is testing? 1. Reasons...
Common troubleshooting of loop resistance tester
The loop resistance tester adopts new power supply technology, which can continuously output large current...
Transformer volt-ampere characteristic tester
The transformer volt-ampere characteristic tester is used for the withstand voltage measurement test of high-voltage...
High voltage test transformer safety
The insulation defect of the high-voltage test transformer is an important factor leading to the...
Exceeding the limit of DC resistance tester
The DC resistance tester is an indispensable experimental item after the transformer is handed over,...
Test process of relay protection tester
Test instruction process of relay protection tester Transformer compound voltage blocking (direction) overcurrent protection This...
How to use oil-immersed test transformer
In addition to the AC power frequency withstand voltage test, the oil-immersed test transformer can...