SEW 1812 EL Digital ELCB Testers

● Microprocessor-controlled.
● 2Lines × 16 Characters LCD.
● Very low consumption.
● Menu-driven.
● 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 of  Negative Phase).
● Wiring polarity indicator.
● Measure voltage and frequency between Line and Earth before
   testing.