Still troubled by buried cable faults?
Underground cables, as the “underground artery” of urban power transmission, once a fault occurs, it...
February 2026
hvhipot How to accurately locate buried cable faults?
Have you ever been overwhelmed by the sudden failure of buried cables? I believe many...
Interference microcomputer relay protection tester
Factors that interfere with the microcomputer relay protection tester: 1. Electrostatic discharge interference In a...
Zinc oxide arrester characteristic tester
The main problems in the operation of the zinc oxide arrester characteristic tester: The zinc...
Measuring time of DC resistance tester
Measuring DC resistance is an important item in transformer testing. Through measurement, it is possible...
Safe operation of loop resistance tester
What is the safe operating procedure of the loop resistance tester? The operation of the...
Model and specifications of digital megohmmeter
How to choose the model and specifications of the megohmmeter should be based on the...
Operation of zinc oxide arrester tester
The zinc oxide arrester tester is a relatively advanced equipment, which has more functions. When...
Ground resistance test instrument operation
Test Methods: 1. Place the meter in a horizontal position and check whether the pointer...
Zinc oxide arrester leakage current tester
How to use zinc oxide arrester leakage current tester: ⑴ High-frequency output and voltage and...