200A contact resistance meter Introduction

The equipment is suitable for measuring loop resistance/contact resistance of switching control device. It can directly measure the loop resistance under the current of 100A with digital display and it can print the test result. The instrument has the characters of good accuracy, performance and stability. It can meet the requirements of power sector field and high-voltage switch factory to test loop resistance/contact resistance.

According to the requirements of the new power Preventive testing procedures, conductive loop resistance testing of various switching devices is must be measured, whose testing current cannot be less than 100A, Continuous Current time shall not be less than one minute.

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Solution

Preventive test of 10kV power distribution system for high voltage test equipment/Power transformation part

200A contact resistance meter Features

1. constant current output, open circuit voltage up to 10V

2. output current of the instrument is large ,light weight

3. Possessing perfect protection circuit, reliability

4. With one minute testing function, meeting the specified test

5. The test current value is big, completely conform the national standard requirement which related to contact resistance test.

6. The test current was came from the 50A/100A/150A/200A high precision switch type constant current power supply, without manual adjust, the test is rapid and accurate.

7. Adopt four terminal connections; effectively eliminate the influence to the test result from resistance of test wire.

8. Test speed is fast, the USB interface can connect with PC, upload test data.

9. Working long hours, equipped with overheat protection circuit; the instrument is reliable and steady.

10. Easy and simple operation, light weight.

200A contact resistance meter Parameters

1. Output current: 200A/100A

2. Open circuit voltage: 10V

3. Measurement time: 1min

4. Measurement range: 0~9.99 mΩ /19.99Mω

5. Resolution: 1μΩ

6. Accuracy: ± (0.5% rdg +2words)

7. Dimensions: 300mm * 230mm * 220mm

8. Instrument weight: 7Kg

9. 200A digital loop resistance tester's conditions:

10. Temperature: -10℃~50℃

11. Humidity: ≤85%RH

12. Power supply: AC100~240V

13. Power frequency: 50±1Hz