Product name: HCR3100A Transformer DC resistance tester
Category: Transformer comprehensive test series
Detailed introduction
Product Introduction
HCR3100A Transformer DC Resistance Tester, output voltage 80V, current 100A, is specially designed for temperature rise measurement of large three-core and five-tech transformers. It has fast charging and measurement speeds and can meet the time requirements of the transformer temperature rise test. Dual-channel measurement, Real-time sampling and scheduled printing make temperature rise testing no longer a problem.
Functional characteristics
※ Suitable for temperature rise of large transformers above 240MVA;
※ 840MVA transformer low voltage tester completes stable and accurate data within 2 minutes;
※ Implement dual channels to display measurement data simultaneously;
※ Equipped with temperature rise conversion software and curve waveform.
Technical Parameters
| Output Current | 100A、50A、25A |
| Output voltage | 80V |
| Measuring range | 100A：0-0.8Ω |
| 50A：200μΩ-1.6Ω | |
| 25A：400μΩ-3.2Ω | |
| Resolution | 0.1μΩ |
| Measurement accuracy | ±(0.2% reading + 2 digits) |
Conditions of Use
| Ambient temperature | 负10℃~50℃ |
| Ambient humidity | ≤85%RH |
| Working power supply | AC220V±10% |
| Power supply frequency | 50±1Hz |
