The HTR2701A Portable Intelligent Contact Resistance Tester is a microcomputer-controlled automatic detection device that utilizes four-terminal measurement technology to effectively eliminate the influence of lead wire resistance and contact point resistance on measurement results. It is primarily designed for railway locomotive and rolling stock facilities to accurately measure various low-value contact resistances, such as wheelset contact resistance.
Main Technical Indicators
| Measuring Range | 1 μΩ ~ 2 Ω |
| Accuracy | ±0.8% (Full Scale) |
| Maximum Resolution | 1 μΩ |






