PZEM-021 4 Voltmeter Ammeter KWH Meter 0-20A 80-260V 50/60HZ

PZEM-021 4 Voltmeter Ammeter KWH Meter 0-20A 80-260V 50/60HZ


The meter can display voltage, current, active power, Energy meter on one panel at the same time.




1. Working voltage: 80 ~ 260VAC

2. Test voltage: 80 ~ 260VAC

3. Rated power: 20A/4500W

4. Operating frequency: 45-65Hz

5. Measurement accuracy: 1.0 grade



1. Electrical parameter measurement function (voltage, current, active power, energy).

2. Overload alarm function (over power alarm threshold, backlight and power flashing to alarm).

3. Power alarm threshold preset function (can set power alarm threshold).

4. The reset function of energy key. 

5. Store data when power off.

6. Large-screen LCD (display voltage, current, active power, energy at the same time)

7. Backlight function.

B.Appearance and Key function

I. Display Interface

Display interface is large-screen LCD, it can display voltage, current, power, energy parameters at the same time.

II.Display format

1.Power: test range: 0~4.5kW

within 1KW, the display format is 0.0~999.9W;

1KW and above, the display format is 1000~4500W.

2.Energy: test range: 0~9999kWh

Within 10KWh, the display format is 0~9999Wh;

10kWh and above, the display format is 10~9999kWh.

3.Voltage: test range: 80~260V

   Display format: 80~260V

4.Current: test range: 0~20A

   Display format: 0.00~20.00

C. Key

1.Backlight control

Short press the key to turn on or off the backlight, the backlight has memory function, it can store the on or off state when power off.

2. Reset energy

Step1: Long press the key for 5 seconds until the number in energy display window flash, then release the key.

Step2: Short press the key again, then the energy value is cleared and exit the reset flashing state.If you don't want to clear, then long press the key for 5 seconds until the number doesn't flash, it means the energy value is not cleared and will exit the reset state.

3.Set power alarm threshold 

Step1: Long press the key until the LCD screen display “SET CLr”, then release the key to enter the setting state

Step2: Power window display the current power alarm value and the last digit begin to flash, then you can short press to plus 1, when there is no operating over 3 seconds, it will switch the digit position automatically, the setting method is as same as the above.

Step3: After finish the setting, long press the key over 5 seconds will store automatically and exit, the range of active power threshold is 0.0~4.5kW


1. This module is suitable for indoor, please do not use outdoor.

2. Applied load should not exceed the rated power.

3. Wiring order can't be wrong.

4. The meter can't work with inverter.

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  • Views: 1022
  • Brand: Tiah
  • Product Code: DZD002638
  • Availability: 5
  • 5,400.00DA
  • Ex Tax: 5,400.00DA

Tags: pzem, 021, 4, voltmeter, ammeter, kwh, meter, 0, 20a, 80, 260v, 50, 60hz