YRD-YRE type Transformer Resistance Test Instrument

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Product Code : 03

Brand Name : hvgrand

Product Description

YRD-YRE type Transformer Resistance Test Instrument

Introduction

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

Specification

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	0~130 Ohm	0~130 Ohm
Accuracy	0.2% readings Â±0.2 micro Ohm	0.2% readings Â±0.2 micro Ohm
Resolution	0.1 micro Ohm		0.01 micro Ohm
Output voltage	DC50V
Input power supply	AC220VÂ±10%,50HzÂ±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	0~40kOhm	0~40kOhm
Accuracy	0.2% readings Â±0.2 micro Ohm	0.2% readings Â±0.2 micro Ohm
Resolution	0.1 micro Ohm		0.01 micro Ohm
Output voltage	DC50V
Input power supply	AC220VÂ±10%,50HzÂ±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;