Peacefair Pzem-051 Manual May 2026

The Peacefair PZEM-051 is a high-precision DC multi-function meter valued for its large LCD display and reliability in monitoring solar setups, battery banks, and DIY projects. It provides real-time tracking of voltage, current, active power, and energy consumption with a measurement accuracy of grade 1.0. Key Specifications Voltage Range: 6.5V to 100V DC.

Main Power: Connect the positive (+) and negative (-) terminals of your battery or power source to the voltage measurement terminals on the back of the meter. peacefair pzem-051 manual

  1. Press the button repeatedly until you see the kWh reading on the top right of the LCD.
  2. Press and hold the button for approximately 5 seconds.
  3. The digits will flash and return to "0.0".
  4. Release the button.

Current Range: 0–100A (requires external shunt, typically 50A or 100A/75mV) Active Power Range: 0–10kW Energy Range: 0–9999kWh Operating Instructions The Peacefair PZEM-051 is a high-precision DC multi-function

Non-Volatile Memory: You won't lose your cumulative energy (Wh) data during a blackout. Cons DC Only: Cannot be used for AC household circuits. Press the button repeatedly until you see the

  1. Power on: Apply power to the PZEM-051. The device will perform a self-test and display the measured values on the LCD screen.
  2. Measurement modes: The PZEM-051 can display various measurement modes:

    Long press the button until "CLr" appears in the power display area0;7c5; 0;92d;.

    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;.

    Typical connection in a solar system:

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