Transformer Resistance Test Instrument-YRD/YRE type

YRD and YRE type transformer resistance test instrument is applicable to measure the DC resistance of power and distribution transformers, current transformers upto 240MVA. It can also be used during temperature rise test.

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Features & Benefits

2 channels to measure the resistances simultaneously;
Constant current technology;
Color touch panel with easy operation;
Interval time of 10s,30s and 60s for selection during temperature rise test;
Automatically save and print the test data within the set timing;
With temperature rise software to handle the test data;
USB port to download the test data to USD flash disk for the temperature rise curve;
485 communication port to communicate with the computer;
Protection if the tester is connected with 380V AC power supply;
Discharge alarming;

Applications

Technical Parameters

Technical Parameters of YRD

Model	YR-20D	YR-40D
Output current	20A,10A,3A,1A,0.3A	40A,20A,10A,3A,1A,0.3A
Range	0~130Ω	0~130Ω
Accuracy	0.2% readings ±0.2μΩ	0.2% readings ±0.2μΩ
Resolution	0.1μΩ		0.01μΩ
Output voltage	DC50V
Input power supply	AC220V±10%,50Hz±1Hz, DC12~24V/5A
Dimension	410m(L)440mm(W)210mm (H)
Net weight	15.8kgs

Technical Parameters of YRE

Model	YR-20E	YR-40E
Output current	20A,10A,3A,1A,0.3A,25mA	40A,20A,10A,3A,1A,0.3A,25mA
Range	0~40kΩ	0~40kΩ
Accuracy	0.2% readings ±0.2μΩ	0.2% readings ±0.2μΩ
Resolution	0.1μΩ		0.01μΩ
Output voltage	DC50V
Input power supply	AC220V±10%,50Hz±1Hz, DC12~24V/5A
Dimension	4145m(L)370mm(W)210mm (H)
Net weight	15.8kgs
Demagnetization function	reduce the remanent magnetization to prevent the difficulty of power on;

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Transformer Resistance Test Instrument-YRD/YRE type

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