Megohmmeter measurement cable
Digital megohmmeters have three binding posts: one for “L”, one for “E”, and one for...
February 2026
hvhipot Unusual noise in high voltage test transformer
Inflatable high-voltage test transformer is a new type of high-voltage test equipment. This series of...
Transformer partial discharge
Partial discharge is mainly discharged under the action of high voltage through high-voltage electrical engineering...
Zinc oxide arrester characteristic tester failure
Instructions: 1. Reliably ground the grounding end of the instrument and turn on the power...
Clamp Earth Resistance Tester Measurement
Clamp Earth Resistance Tester is widely used in earth resistance measurement of electric power, telecommunication,...
DC resistance tester test in the field
1. The DC voltage is open circuit, and the test site has no strong electric...
Test methods for high voltage test transformers
Test methods for AC and DC high voltage test transformers 1. In general measurement of...
High Voltage Test Transformer Protection
High-voltage test transformers should pay special attention to their fire safety measures. 1. The...
Calibration of Insulation Resistance Testers
Before using the insulation resistance tester, first turn off the power of the device under...
What is the use of insulation resistance tester
For the current power company, in the continuous development and normal work, it is necessary...