PZEM-028 AC 40-400V 100A Digital Multimeter Voltage Current Power Meter Electrical Instrument Power Factor Meter

Display Instruction VoltageMeasurement range 40 400VDisplay format 100V display such as 80 0V≥100V display such as 220VAccuracy ±1 CurrentMeasurement range 0 100ADisplay format 10A display such as 1 00A 100A display such as 10 0A≥100A display such as 100AStarting measurement 0 02AAccuracy ±1 PowerMeasurement range 0 22kWDisplay format 10W display such as 5 0W 100W display such as 50 0W 1000W display such as 500W 10000W display such as 5 00kW≥100V display such as 22 0kWStarting measurement 2 2WAccuracy ±1 Power factorMeasurement range 0 1Display format such as 1 00PFOther FunctionBacklight controlThe backlight can be turned on or off by short press the keyError Adjustment The product is calibrated 100 before delivery the user can adjust error manually the method is as followsStep 1 long press the key about 3 seconds until the screen digit flashes then release the key Step 2 Digital flicker means entering error adjustment state and the digit cycle flickers in order voltage high digit→voltage middle digit→voltage low digit→voltage decimal point→ampere high digit→ampere middle digit→ampere low digit→ampere decimal point The flicker represents the present adjustable digit short press the key to adjust the value Digital 0 9 cycle decimal point shift Step 3 long press the key about 3 seconds after the adjustment the screen display PASS and return to the normal display interface means the adjustment is successful Note error adjustment must be carried