The Kyoritsu KEW Multifunction tester makes ‘Ease of Use’ it’s top priority with such KEW has a comprehensive RCD test feature for RCD type AC. The KEW has a comprehensive RCD test feature for RCD type AC ( Alternative Currents), RCD type A (Pulsating Direct Currents), General and Selective. The Kyoritsu is an advanced 10 in 1 Digital Multifunction Tester with the capabilities of testing loop impedance, continuity, insulation, RCD, PSC, PFC.

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As loop testing, the function has low and high test current options with the default to low current to avoid inadvertent tripping of RCDs.

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It also has Ramp Test and Auto myoritsu where all results are shown on one screen. Touch voltage limit can be selected for 25V or 50V depending on application.


Earth Measurement Using the classical Volt-Amper method with two auxiliary earth spikes and without external power source. All test leads and spikes are supplied as standard accessories. Phase rotation KEW can check the phase rotation of three phase lines with clear indication of the sequence on the display.

Voltage Measurement In addiction to the voltage measurement, this function gives also the Frequency of the kyorisu under test. Voltages are output when measurement resistance is under ohm.

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Continuity Measurement Continuous testing can koritsu carried out by use of the test button lockdown feature. A selectable buzzer gives instantaneous indication of continuity.

Null facility eliminates the test lead resistance from the results, the nulled value is retained even if the instrument is switched off. Live circuit warnings kyiritsu given by a flashing LED, buzzer and indication on the display.

Kyoritsu | Test Equipment

An auto-discharge function ensures that circuits are not hazardous after testing. A red LED gives warning of high voltage output during testing and discharging of the circuit.


In case of connecting to a live circuit, a live circuit warning is given by flashing LED, buzzer and indication on the display. A high current alternative is selectable for even higher accuracy and instantaneous results.

The subsequent test will default to the low current test, this saves any inadvertent tripping of the RCD. The KEW allows also for phase to phase loop tests. Trip current Duration ms G: Depending on the accuracy at each function.