Sew 2712 EL

● Microprocessor-controlled.
● 2 Lines × 16 characters LCD.
● Very low consumption.
● 50Hz and 60Hz operation.
● Menu-driven.
● Accurate digital readout of disconnection time.
● Automatic data hold function.
● Over temperature protection.
● Over voltage protection.
● Fuse protection.
● 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.
● Frequency measurement indication.
Operating voltage (L-E)
(50Hz or 60 Hz)
Version A : 240 Vac
Version B : 230 Vac
Version C : 220 Vac
Version D : 110 Vac
Current settings 3mA, 5mA, 10mA, 15mA, 20mA, 30mA, 50mA,
100mA, 150mA, 250mA, 300mA, 500mA.
Current selection Rotary switch selector
Phase angle setting 0° and 180° selectable
Wiring correctness
Yes (LEDs)
Trip indicator Yes (LCD)
Phase polarity trip indicator Yes (LCD)
Referenced to Earth
Yes (3 sensors)
Voltmeter (L-E) 20Vac ~ 280Vac
(50Hz or 60Hz)
Timer resolution 1ms (Max. Time=19.99s)
Timer accuracy ±2ms
Current accuracy ±5% ±1mA
Voltmeter resolution 1Vac
Voltmeter accuracy ±2%±1Vac
Operating temperature -5°C to 45°C
Storage temperature -10°C to 55°C
Dimensions 205(L) × 90(W) × 55(D)mm
(battery included)
Approx. 530g
Power source 1.5 (AA) × 6
Safety standard EN 61010-1 CAT III 300V
EN 61326-1


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