0–100A (requires external shunt, typically 50A or 100A/75mV) Active Power Range: 0–10kW Energy Range: 0–9999kWh Operating Instructions
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[ + DC Power Source - ] | | | +--------------+ | | | [ SHUNT ] | / \ | / \ (Pin 1) (Pin 2) (Pin 3) (Pin 4) | [Source+] [Load+] [Shunt-] [Shunt+] | | | | | | +---------+ | +--------+ | | | +---------X------------------+ | [ Load ] Pin Configuration
The screen will show the current high-voltage (left) and low-voltage (right) alarm thresholds 18;write_to_target_document7;default0;c59;18;write_to_target_document1a;_Qn3uaYrfAtKLwbkPgMu7mQs_20;957;.
). If either your voltage or current readings are inaccurate due to improper wiring, the power reading will also be incorrect. Verify all wire terminations are clean and tight. To help clarify your installation, let me know: peacefair pzem-051 manual
The device is controlled via a single button located on the front panel: Step-by-Step Short Press Toggle Backlight Press once to turn the backlight on or off. Long Press (CLr) Reset Energy Hold until "
If no action is taken for 5 seconds, it exits the reset state without clearing 18;write_to_target_document7;default0;1b5;18;write_to_target_document1a;_Qn3uaYrfAtKLwbkPgMu7mQs_20;414;.
Displays as 0.0 to 999.9W under 1kW, and 1.0 to 10.0kW above 1kW.
Short-press the key to toggle the backlight on or off. The device remembers the last state when powered down. Reset Accumulated Energy: Verify all wire terminations are clean and tight
Press and hold the button until the power display area flashes "CLr". Release the button.
When you forget whether Terminal 1 is voltage or current, come back to the wiring diagram above.
PZEM-051 DC Digital Multi-Function Meter - Instruction Manual
Wire Pin 1 ( V+ ) to the positive terminal of your DC power supply. Displays as 0
The Peacefair PZEM-051 is a versatile and high-precision digital meter designed for the accurate measurement and real-time monitoring of various electrical parameters in DC (direct current) systems. This device is a powerful tool for anyone seeking to understand and optimize their DC power usage.
| Parameter | Range / Value | | :--- | :--- | | | 6.5V – 100V DC | | Current Range | 0A – 100A (requires external shunt) | | Power Range | 0 – 10kW (100V * 100A) | | Energy Range | 0 – 9999 kWh (resettable) | | Display | 5-digit LCD with backlight | | Measurement Accuracy | ±1% (typical) | | Operating Temp | -20°C to +70°C |
Double‑check all connections for tightness and correct polarity before re‑applying power to the circuit.