ZGY-40A Transformer DC Resistance TesterDetailed product description：

The ZGY-40A transformer DC resistance tester is based on a high-speed microcontroller and uses high-frequency modulation high-power power supply, high-speed A/D converter, and programmable current source technology to achieve unprecedented measurement results 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 function, and fast charging and discharging speed. This instrument is small in size, light in weight, and easy to carry, and is the latest generation product of transformer DC resistance tester.

Technical specifications of ZGY-40A transformer DC resistance tester
Output current: 40A 20A 10A 5A
Resolution: 0.1uQ
Range: 50 μ Ω～ 1 Ω (40A) 100 μ Ω～ 2 Ω (20A) 200 μ Ω～ 4 Ω (10A) 1m Ω～ 8 Ω (5A)
Accuracy: ± 0.2%
Working temperature: 0-40 ℃
Working humidity: ≤ 90% RH. No frost formation
Working power supply: AV220V ± 10% 50Hz ± 1 Hz