Circuit Breaker (Switch) Tester

Loop resistance tester

type:ZC-302-100B

ZC-302-100B loop resistance tester is a test instrument developed by our company to meet the requirements of GB50150-2006 and DL/T 845.4-2004 regulations. It is widely applicable to the measurement of contact resistance, loop resistance and contact resistance of cables, wires and welds of various electrical switches.

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  • Product Introduction

ZC-302-100B loop resistance tester is a test instrument developed by our company to meet the requirements of GB50150-2006 and DL/T 845.4-2004 regulations. It is widely applicable to the measurement of contact resistance, loop resistance and contact resistance of cables, wires and welds of various electrical switches.

  • Product Parameters
Test current100A
Measuring range0-1999μΩ
Minimum resolution1μΩ
Accuracy1% ± 2 μ Ω
Power supplyAC220V ± 10%50hz
Power consumption≤ 500W
Service temperature-20 ℃ ~ 40 ℃
Relative humidity≤ 80%rh, no condensation
Weight3 kg


  • Product Features

The test current is large, which fully meets the requirements of the national standard for testing contact resistance.


The test current comes from the high-precision 100A switch type constant current power supply, without manual adjustment, and the test is rapid and accurate.


The four terminal wiring method is adopted to effectively eliminate the influence of the test line resistance on the test results.


 Fast test speed, long-time operation, with overheat protection circuit, the instrument is reliable and stable.


 Easy operation and light weight.


  • Product Video

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