SEW 1813 EL ELCB(RCD) Testers漏电断路器检测计 (2-999mA ac)

System voltage (50Hz / 60Hz): 550V, 380V, 240V
Current settings: 2-999mA ac
Current selection: Knob
Phase start selection 0° and 180°
Over-temperature protection: Yes
Wiring correctness indication: Yes
Phase polarity trip Indicator: Yes
Operating voltage (L-E): 110 Vac to 317 Vac
Timer resolution: 1ms (Max. Time=19.999s)
Timer accuracy: 1ms ±1ms
Current accuracy: ±1% ±1mA
Current resolution: 1mA
Voltmeter accuracy:  50-350 Vac : ±2%±1V
                               350-450 Vac : ±5%±1V
Voltameter resolution: 1V
Operating temperature: -5°C to 40°C
Storage temperature: -10°C to 55°C
Dimensions: 170(L) × 165(W) × 92(D)mm
Weight (battery included): Approx. 1300g 
Power source: 1.5 (AA) × 8

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