ST-1520 - Digital Earth Resistance Tester
* Capable of measuring earth voltage (VAC). * 2mA measuring current permits earth resistance to test without tripping earth leakage current breakers in the circuit. * Battery operated. * Auto power off function. The timer operates automatically about three to five the "PUSH BUTTON SWITCH" and "TIMER ON BUTTON" are pressed together. This will keep the test "ON" for about three to five minutes. Then auto power off. Data hold function, Small and light weight, EC 1010 CAT. III.
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Hoyt Electrical Instrument Works Inc.
23 Meter Street
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