PZEM-021 4 in 1 LCD Panel with Voltage, Current, Active Power, Energy Meter and Blue Backlight

Description: Uncover the power of technology with the Four in One LCD Voltage Current Active Power Energy Meter! This innovative product is essential for anyone with a keen interest in understanding and monitoring power dynamics in their surroundings.

Specifications:

1. Dynamic working voltage is between 80 to 260VAC.
2. The device has the capacity to test voltage within the same range.
3. Its rated power stands robust at 20A/4500W!
4. It operates on a frequency range of 45-65Hz.
5. Promising 1.0 grade measurement accuracy.

Features:
A. Versatile Functions:

1. This gadget measures the vital power parameters: voltage, current, active power, and energy.
2. Equipped with an overload alarm for safety; when power exceeds the set threshold, the backlight and power start flashing to alarm.
3. Power alarm threshold can be pre-set according to your requirements.
4. Enables energy key reset function.
5. Data is stored automatically when the power is turned off.
6. LCD display is large and user-friendly, showing voltage, current, active power, energy simultaneously.
7. Features a convenient backlight function.

B. Physical Description & Key Function
I. Display Interface: The large-screen LCD exhibits voltage, current, power, and energy parameters at one glance.
II. Display Format:

1. Power: Test range is 0~4.5kW. If it’s below 1KW, the display format is 0.0~999.9W, while the format changes to 1000~4500W for 1KW and above.
2. Energy: Test range is 0~9999kWh. For energy below 10KWh, it’s displayed in a 0~9999Wh format and 10~9999kWh for 10kWh and above.
3. Voltage: The test range is 80-260V, and the same range is displayed.
4. Current: The device can test 0-20A, showing a display ranging from 0.00~20.00.

C. Key Features:

1. Backlight is easily controlled with a short key press and retains its state of being on or off after power is turned off.
2. Energy can be reset with a long key press followed by a short key press.
3. Power alarm threshold can be easily set by a combination of long and short key presses.

D. Precautions:

1. This module is strictly for indoor use.
2. The applied load should not go beyond the rated power.
3. Wiring can’t be done incorrectly.
4. Please note this meter is not compatible with inverters.

E. Wiring Diagram Provided.
F. A Detailed Dimension Diagram (in mm) Provided.

Included in the package is 1 PZEM-021 4 in 1 LCD Voltage Current Active Power Energy Meter.

For a truly immersive product understanding, here are some detailed pictures: