ZXHL-300A Contact Resistance Tester | 300A DC Output | 1-1999.9μΩ Range | 380×350×260mm
Professional contact resistance test set designed for measuring switching control equipment with DC 100A-300A current output and 1-1999.9μΩ measurement range.
The ZXHL-300A Contact Resistance Tester utilizes high-frequency switching power supply technology and digital circuit technology for precise measurement of contact resistance in high-voltage switches and control equipment. This compact, lightweight instrument delivers exceptional stability and accuracy for power system maintenance and factory testing applications.
- High Current Output: Sustainable DC test current from constant current source (100A, 200A, 300A options)
- Exceptional Stability: ±1 digit display stability under strong interference conditions
- Long Service Life: High precision resistance components eliminate ambient temperature effects
- Compact Design: Small volume (380×350×260mm) and lightweight (12kg) for easy portability
- Flexible Options: Available with or without built-in printer
| Parameter | Specification |
|---|---|
| Measurement Range | 1~1999.9μΩ |
| Resolution | 1μΩ |
| Test Current | DC 100A, 200A, 300A (customizable) |
| Accuracy | 0.50% |
| Display | 3½ LED |
| Power Supply | AC220V±10% 50Hz |
| Operating Temperature | -10℃~40℃ |
| Dimensions | 380×350×260mm |
| Net Weight | 12kg (excluding accessories) |
Ideal for maintenance testing and factory quality control of high-voltage switches, circuit breakers, and other switching control equipment in power systems, substations, and industrial electrical facilities.
All products include 1-year warranty and lifetime technical support. Professional consulting services and comprehensive customer support ensure optimal performance and satisfaction.
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