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 80-260V Test voltage: AC 80-260V Rated power: 20A/4400W Operating frequency: 45-65Hz Measurement 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 state 2. In energy or time display state, long press 3 seconds will enter into the energy or time reset state. OK 1. In normal display state, short press OK key will turn on or off the backlight. 2. In power alarm threshold setting state, press OK key to switch the setting digits 3. In energy or time reset state, press OK key will clear the energy or time and quit the reset state
Precautions: 1. This module is suitable for indoor, please do not use outdoor. 2. Applied load should not exceed the rated power. 3. Wiring order canat be wrong. 4. It can't be used for inverter.
Package Included: 1 x PZEM-002 Digital LCD Voltmeter
