Hoyt Electrical Instrument Works, Inc. Digital Earth Leakage Tester 1812 EL

Lines x 16 Characters LCD Very low consumption. Accurate digital readout of disconnection time Automatic Data Hold function. Zero crossing circuitry permit testing at 0° or 180°. Disconnection phase polarity shown on LCD display. Auto-off and off override. Polarity trip indicator (positive or negative phase). Wiring polarity indicator. Measure voltage between line and earth before testing EN 61010-1 CAT.III 240V.