NR5300 series loop resistance tester
NR5300 series loop resistance tester is refined with advanced high-power switching power supply technology and advanced electronic circuits. It is a special test instrument for high and low voltage switches, wire and cable and weld contact resistance.
◆ Combining hardware and software design: using high-precision electronic circuits and high-performance single-chip microcomputers, the instrument has the characteristics of fast measurement speed, stable numerical value, and good repeatability;
◆ Real-time monitoring and display of field resistance value and current value;
◆ The current lasts for more than 1 minute, which is in full compliance with JJG 1052-2009 loop resistance verification regulations;
◆ The test current is a high-precision 100A switching constant current power supply, no manual adjustment is required, and the test is fast and accurate;
◆Menu operation, friendly interface, clear at a glance, easy to operate;
◆ It has the function of interchangeable wiring measurement between the voltage positive and negative poles and the current positive and negative poles.
◆ Input voltage: AC 220V±10%, 50Hz
◆ Test current: DC100A DC200A (Test current can be customized according to customer requirements)
◆ Accuracy: 0.5 level
◆ Resolution: 0.1uΩ
◆ Measuring range: 0 ～40mΩ
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