The RishInsu10 analog-digital insulation and continuity tester from Rishabh is for the measurement of the insulation resistance on electrically dead equipment and systems with test voltages up to 1000 V. It is suitable for testing motors, transformers, generators, switchgear and household appliances. It can also measure the insulation resistance of cables.
Test voltages from 50 V to 1000 V can be selected for insulation resistance measurement (covers all insulation tests up to 1000 V). It is capable of measuring insulation resistance from 10 kΩ to 999 MΩ. Low resistance measurement is possible from 0,01 to 99,9 Ω. There is a facility to compensate lead resistance for an accurate measurement of low resistance. As a voltmeter the instrument measures voltages >25 V to 600 V a.c./d.c. There is a live circuit detection feature where the presence of voltages over 25 V is displayed irrespective of function selected.
Continuity testing (0-10 Ω with acoustic signal) can be done without pressing the test button. In addition to the display function, an acoustic signal can be activated which sounds if the adjustable limit value is violated.
Capacitive devices under test, such as cables and windings, that get charged during the test, are automatically discharged by the tester.
In normal course of testing, the insulation test terminates and the measured insulation resistance value remains on display for 2 s after the test key is released. With the pre-selectable measurement time feature, the insulation test continues and the measured value remains on the display for the pre-determined time of selectable from 10 s to 5 min.
Other features: storage of min/max values; last 50 readings store; blown fuse indication; stop watch; auto-power off; protective holster for rough duty.
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