HVHIPOT GDZRT-20A Dual Channel Transformer DWR DC Winding Resistance Tester

GDZRT-20A Dual Channel Transformer DWR DC Winding Resistance Tester 


Product Description

GDZRT-20A Double channel DC winding resistance tester is designed for temperature rise measurement for large transformers.
It is double channel measurement, real time sampling.

Specifications

Output current of HV side: <15mA, 40mA, 200mA, 1A, 5A
Output current of LV side: 2A, 5A, 10A, 20A
Min. Resolution: 0.1μΩ
Range:
HV side  1mΩ-2Ω (5A)
              5mΩ-10Ω (1A)
              100mΩ-50Ω (200mA)   
              1Ω-250Ω (40mA)
              10Ω-20kΩ (<15mA)  
LV side  100μΩ-500mΩ (20A)
              200μΩ-1Ω (10A)
             1mΩ-1.6Ω (5A)
             5mΩ-4Ω (2A)
Accuracy: ±(0.2%+2digit)
Working temperature: 0-40ºC
Working humidity: <90%RH, no condensation
Working power supply: AC220V±10%, 50Hz±1Hz
Size: 448*463*177mm
Weight: about 17.6kg.