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200A Loop Resistance TesterDesigned with high-frequency switching power supply and digital circuit technology. Suitable for switchgear loop resistance measurement. Test current uses 100A DC per national standards, directly measuring and digitally displaying loop resistance at 100A. Accurate measurements with stable performance, meeting on-site HV switch maintenance and factory loop resistance testing requirements.
1. LCD display and high-speed thermal printer.
2. Features compact size, lightweight, strong anti-interference, high precision, easy operation, and comprehensive protection.
3. Human-machine interactive full-keyboard operation with intelligent full-process automation.
4. Uses precision op-amps and high-accuracy quadruple-integration A/D converters with a high-performance 16-bit MCU. System auto-switches amplification based on signal strength for guaranteed accuracy.
5. Built-in real-time calendar clock provides timestamps for printing and data storage.
6. Data storage and history browsing with large capacity and power-loss protection.
Panel Structure
|
1. Current Display (A) |
2. （μΩ） |
3. Power Switch |
|
4. Measurement Switch |
5. Current Adjustment |
6. Power Socket |
|
7. Current Output I+ |
8. Current Output I- |
9. Voltage Input V+ |
|
10. Voltage Input V- |
11. Ground |
|
1. Measurement Range: 0~4mΩ (50A) 0~2mΩ (100A) 0~1.33mΩ (150A) 0~1mΩ (200A)
2. Test Current: DC 50A/100A/150A/200A fixed output
3. Accuracy: ±(0.5% rd+2d)
4. Continuous Runtime: 5s-599s
5. Display: Large Chinese LCD
6. Communication: RS232 Serial
Power: AC220V±10%, 50Hz
8. Power: 1200W
Note: The above information and technical parameters are compiled and published by Yangzhou Darui Electric Co., Ltd.
