PZEM-002 20A AC 80-260V Digital LCD Voltmeter Current Voltage Energy Meter KWH Panel Tester

Functions 1 Electrical parameter measurement function voltage current active power energy 2 Running time function records the load accumulated operating time 3 Overload alarm function over power alarm threshold backlight flashing to alarm 4 Power alarm threshold preset function can set power alarm threshold 5 The reset function of energy and running time keys 6 Backlight function 7 Store data when power off store the accumulated energy running time display items the state of backlight on or off 8 Large screen LCD display voltage current energy active power the accumulated running time Specification Parameters Working voltage AC 80 260VTest voltage AC 80 260VRated power 20A 4400WOperating frequency 45 65HzMeasurement accuracy 1 0 grade Key Functions UP 1 In normal display state short press UP key will reversed circularly display time power energy current voltage 2 In power alarm threshold setting state press the UP key will 1 3 Short press the UP key will exit the reset state when energy and time are in the reset state DOWN 1 In normal display state short press DOWN key will sequential circularly display voltage current energy power time 2 In power alarm threshold setting state press the DOWN key will 1 3 Short press the DOWN key will exit the reset state when energy and time are in the reset state SET 1 In power display state long press 3 seconds will enter into the power alarm threshold setting state2 In energy or