Resistor Chip Arrays
PZEM-031: Measuring Range 20A (Built-in Shunt).
PZEM-051: Measuring Range 100A (use external shunt, can matched with 50A, 100A two kinds of shunt).
PZEM-015: Measuring Range 300A (use external shunt, can matched with 50A, 100A, 200A, 300A four kinds of shunt).

1. electrical parameter measurement function (voltage, current, power, energy).
2. The voltage alarm function (over voltage alarm thresholds, backlighting and voltage flicker tips).
3. The power button clear function.
4. Power-down data storage function.
5. Large-screen LCD screen full display function (display voltage, current, power, energy).
6 Backlight.
B. display and key
I Display Interface
Display voltage, current, power, energy parameters from the large-screen LCD screen simultaneously.
II Display Format
1. Power: measurement range 0 ~ 10kW
1kW display format within 0.0 ~ 999.9W;
From 1kW display format 1000 ~ 9999W.
2. Energy: measurement range 0 ~ 9999kWh
10kWh within the display format 0 ~ 9999Wh;
Above 10kWh display format 10 ~ 9999kWh;
3. Voltage: test range 6.5 ~ 100V
Display Format 6.50 ~ 99.99V
4. Current: Test Range 0 ~ 100A
Display Format 0.00 to 99.99.

Before you use the 50A/75mv shunt, please set the range of the meter to 50A(the default setting is 100A)

1. This is suitable for indoor, not outdoor use.
2. applied load can not exceed the rated voltage and current.
3. The wiring order can not be wrong.
D. Specifications
3. Working voltage: 6.5 ~ 100VDC
4. Test voltage: 6.5 ~ 100VDC Accuracy: +/- 1%
3. Rated power: 100A / 10000W
4. Measurement accuracy: 1.0

Operating Temperature : -40°C ~+60°C
Supply Voltage : DC
Accuracy Class : 0.5
Display Type : Analog Only