Transformer Testing

DC Winding Resistance Tester

Portable instrument for DC resistance measurement of inductive equipment such as transformers, motors and instrument transformers (CT/PT). Fully software-controlled with back-EMF protection and field anti-interference capability.

DC Winding Resistance Tester

Overview

Portable instrument for DC resistance measurement of inductive equipment such as transformers, motors and instrument transformers (CT/PT). Fully software-controlled with back-EMF protection and field anti-interference capability.

Application Scenarios

DC resistance measurement of transformers, motors and instrument transformersDC winding resistance testing from distribution transformers up to large power transformersField testing with back-EMF protection

Request Specifications & Quotation

Tell us your test object ratings, the test items you need and the applicable standards. Our sales engineers reply with a configuration proposal and a formal quotation within 24 hours.

Get a Quote

Detailed Description

Overview: the GD-200 series transformer DC resistance tester is dedicated to testing the DC resistance of inductive equipment such as transformers, motors and instrument transformers (CT/PT). The GD-200 series is a portable instrument: operation is simple, the entire test process is completed under software control, and the test data is stable, fast and accurate. It provides comprehensive back-EMF protection and field anti-interference capability, and is suitable for DC resistance testing of power equipment from distribution transformers through to large power transformers.

Technical data: the working supply is AC220V±10%, 50 Hz±1%. Ambient temperature range is 0~45℃ and ambient humidity is ≤95%RH (40±2℃). Resolution is 0.1 μΩ and accuracy class is 0.2.

Typical applications: the instrument is intended for DC resistance testing of power equipment from distribution transformers through to large power transformers, and of motors and instrument transformers (CT/PT). Its back-EMF protection and anti-interference design suit it to use in the field.

Technical Specifications

Working supplyAC220V±10%, 50HZ±1%
Ambient temperature0~45℃
Ambient humidity≤95%RH(40±2℃)
Resolution0.1uΩ
Accuracy class0.2 class
BrandGaodian Electric

Frequently Asked Questions

What is the DC Winding Resistance Tester used for?
The GD-200 series transformer DC resistance tester is dedicated to testing the DC resistance of inductive equipment such as transformers, motors and instrument transformers (CT/PT). It is a portable instrument in which the whole test process is controlled by software, giving stable, fast and accurate readings.
What protection does the tester offer for field use?
It has comprehensive back-EMF protection and field anti-interference capability, and is suited to DC resistance testing of power equipment ranging from distribution transformers to large power transformers.
How do I get a quotation?
Email the resistance range and transformer sizes you need to cover to bowen@harchin.com. Instruments are manufactured in Nanjing and quoted directly from the factory; pricing follows your final configuration rather than a published list price.

Need the datasheet for this model?

Send us this product name plus your test requirements. We reply with specifications, photos and a formal quotation.