ZGY-40A DC Resistance Tester



is a mandatory test item for power equipment manufacturers and power generation and supply departments in transformer factory inspection, handover tests, and preventive tests. It can effectively improve product quality and prevent power accidents. The transformer DC resistance tester is composed of high-power switching power supply circuit, precision small signal measurement circuit, protection circuit, high-speed microcontroller control circuit, etc. It has functions such as instrument self-check, signal measurement, data processing, fast discharge, and printing results.ZGY-40A DC Resistance Tester, with a high-speed microcontroller as the core, adopts high-frequency modulated high-power power supply, high-speed A/D converter, and programmable current source technology, achieving a large current output of up to 40A, reaching unprecedented measurement effects and highly automated measurement functions. It has the characteristics of high accuracy, wide measurement range, stable data, good repeatability, strong anti-interference ability, complete protection functions, and fast charge and discharge speed. The instrument is small in size, light in weight, and easy to carry. It is the *new generation product for transformer DC resistance testing.