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.

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
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Get a QuoteDetailed 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 supply | AC220V±10%, 50HZ±1% |
|---|---|
| Ambient temperature | 0~45℃ |
| Ambient humidity | ≤95%RH(40±2℃) |
| Resolution | 0.1uΩ |
| Accuracy class | 0.2 class |
| Brand | Gaodian Electric |
Frequently Asked Questions
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