Circuit Breaker Contact Resistance Tester output DC 400A current to test the contact resistance of circuit breaker or high current cable contacts. It is designed according to IEC62271. The main application of the tester is measurement of circuit breaker contact resistance. All the test results of the tester could be print by the micro-printer which is integrated in the tester. Also all the test results saved in the tester could be upload to PC computer and then convert to MS WORD document.

1. Measuring range: 0-1999.9 μΩ Resolution:0.1 μΩ

2. Measuring current: DC 100A/200A/400A for different selection

3. Measuring precision:0.5 %RGD+0.05%FS

4. Display mode: LCD

5. Save no more than 100 groups of data

6. RS232 computer interface

7. Rated power supply:AC220V

8. Size: 420 × 330 × 320mm

9. Environment temperature:-10 ℃~+40 ℃ Relative humidity<80%