YR type DC Resistance Test Instrument

YR type DC Resistance Test Instrument
YR type DC Resistance Test Instrument
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Product Code : 02
Brand Name : HVGRAND
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 ±0.2 micro Ohm

0.2% readings ±0.1 micro Ohm

0.2% readings ±0.1 micro Ohm

Resolution

0.1 micro Ohm

0.01 micro Ohm

0.01 micro Ohm

Output voltage

DC30V

Input power supply

AC220V±10%,50Hz±1Hz, DC12~24V/5A

Dimension

420m(L)*320mm(W)*200mm (H)

Net weight

12kgs


 


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