YR type DC Resistance Test Instrument

Product Description

YR type DC Resistance Test Instrument

Introduction

YR type DC resistance test instrument is applicable to measure the DCresistance of power and distribution transformers, current transformers withhigh resistance values.

Features

(1) Fast charging speed, charging voltage upto 30V;

(2) Demagnetization function, reduce the remanent magnetization to preventthe difficulty of power on;

(3) USB port to download the test data to USD flash disk;

(4) 485 communication port to communicate with the computer;

(5) Protection if the tester is connected with 380V AC power supply;

(6) Discharge alarming;

Specification

Model	YR-20C	YR-40C	YR-50C
Application	Transformers upto 240MVA	All transformers	All transformers
Output current	20A,10A,3A,1A,15mA	40A, 20A,10A,3A,1A,15mA	50A, 40A, 20A,10A,3A,1A,15mA
Range	0~20k Ohm	0~20k Ohm	0~20k Ohm
Accuracy	0.2% readings Â±0.2 micro Ohm	0.2% readings Â±0.1 micro Ohm	0.2% readings Â±0.1 micro Ohm
Resolution	0.1 micro Ohm	0.01 micro Ohm	0.01 micro Ohm
Output voltage	DC30V
Input power supply	AC220VÂ±10%,50HzÂ±1Hz, DC12~24V/5A
Dimension	420m(L)320mm(W)200mm (H)
Net weight	12kgs