High-Stability High-Current Switch Loop Resistance Tester
Product Overview
The High-Stability High-Current Switch Loop Resistance Tester delivers precise and reliable measurements for industrial applications, featuring advanced switching power supply technology and intelligent control systems.
Key Characteristics
- High Current Output: Continuous high current output using latest switching power supply technology, effectively breaking through switch contact oxide films for superior test results
- Exceptional Stability: Maintains data stability within ±1 digit under severe interference conditions with excellent repeatability
- High Precision Measurement: Dual-channel 16-bit Σ-Δ AD sampling with 0.01μΩ resolution - the only contact resistance tester in China achieving this level of precision
- Intelligent Operation: Imported high-performance CPU with automatic range switching and over-temperature protection for safe operation
- Premium Quality: Key components made from imported materials with temperature compensation circuit eliminating ambient temperature effects
- Versatile Functionality: Selectable current outputs (50A, 100A, 200A, 300A) and adjustable test timing (5s-599s)
- User-Friendly Interface: Rotary mouse input, real-time data saving, and immediate printing capabilities
- USB Communication: Data transfer to computers for detailed analysis and processing
- Portable Design: Compact size and lightweight construction for easy transportation
Technical Parameters
| Measurement Range |
0~2000.0μΩ |
| Resolution |
0~99.99: 0.01μΩ; 100.0~9999.0: 0.1μΩ |
| Test Current |
DC 50A, 100A, 200A, 300A (four fixed output gears) |
| Measurement Accuracy |
±(0.5% rd + 2d) |
| Continuous Working Time |
5s~599s |
| Display Mode |
Large-screen Chinese LCD display |
| Communication Mode |
USB |
| Working Power Supply |
AC 220V±10%, 50Hz |
| Total Power |
>1000W |
| Maximum Storage Records |
200 entries |
| Working Environment |
Temperature: -10℃~40℃; Humidity: ≤80%RH |
| Volume |
313*270*235 mm³ |
| Chassis Weight |
8.9kg (excluding accessories) |