HT Instruments M73


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Primo number :HTM73
Brand :HT Instruments
Brand number :M73

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HT-INSTRUMENTS M73 RCD/Global earth resistance tester and TRMS multimeter M73 is one of the four models belonging to MULTITEST family of portable multifunction RCD testers including M72, M74 and M75 designed to perform Global Earth Resistance measurements and trip out time test on AC type RCDs according to VDE and IEC standards on civil electrical installations. The RCD/Global earth resistance tester M73 offers also other features as phase sequence with 1 wire method, leakage current with optional transducer clamp and a powerful DMM function for TRMS measurements of voltage and current ideal for troubleshooting both in civil and industrial environments. Voltage and current peak measurement in 1ms is useful for inrush current evaluation of electrical motor devices. Like all models of MULTITEST family M73 is provided with a large LCD display for easy readings, a modern and ergonomic external case, an innovative friendly-user electronic range selector as well as a protective rubber holder to prevent accidental damage. Function •Trip-out time of RCDs Type A, AC Standard •Trip out current selectable on 30mA, 30x5mA, 100mA, 300mA •RCD Ramp Test •Global Earth Resistance with 0.1mOhm resolution •Global Earth Resistance without RCD’s tripping •DC Voltage •AC TRMS Voltage •Automatic detection of AC/DC signals •AC TRMS Current with optional external clamp •AC TRMS Leakage current with optional external clamp •Resistance •Continuity test with buzzer •Frequency with test leads •Frequency with optional external clamp •Phase sequence indication at 1 or 2 wires method •Phase coincidence indication at 1 or 2 wires method •MIN/MAX/AVG functions •PEAK function with response time 1ms •HOLD function •Auto Power OFF

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