Overview
Emissions And Stack’s High Precision Contact Resistance Micro Ohmmeter 300A with Data Logging is designed for accurate testing of circuit breakers, busbars, disconnect switches, fuses, and other high-current connections. This device delivers test currents up to 300 A and ensures highly accurate measurements with a resolution as low as 0.0001 µΩ. It features a true DC ripple-free output for stable readings, fast measurement time, and reliable long-term operation. Its portability and user-friendly interface make it ideal for field applications, allowing professionals to monitor contact resistance with precision while also logging data for analysis.
Features
- High precision low-resistance measurement
- True DC ripple-free test current up to 300 A
- Ultra-fine resolution of 0.0001 µΩ
- Fast and reliable measurement time
- Built-in data logging for trend analysis
- Portable and suitable for field use
- Easy-to-operate digital display
Technical Specifications
| Output Current | 50 A, 100 A, up to 300 A |
| Test Range | 0 mΩ to 80 mΩ |
| Resolution | 0.0001 µΩ |
| Accuracy | ± 0.2% |
| Open Circuit Voltage | DC 10 V |
| Measuring Time | 1 min |
| Operating Mode | Continuous measurement |
| Operating Temperature | 14 °F to 122 °F (-10 °C to 50 °C) |
| Relative Humidity | ≤85% RH |
| Dimensions | 14.17 in x 9.25 in x 10.63 in (360 mm x 235 mm x 270 mm) |
| Weight | 18.7 lb (8.5 kg) |
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