Peacefair Pzem-051 Manual May 2026
The Peacefair PZEM-051 is a 4-in-1 DC multi-function meter designed to monitor voltage, current, active power, and energy consumption in real-time. Whether you are managing a solar array or a battery bank, this guide simplifies the often-confusing manual for quick setup and operation. Core Specifications & Measurement Ranges
- Connect a 5V DC power source here.
L (Live/Line) and N (Neutral).
Important Safety & Usage Notes
- Do not exceed 100V DC. Higher voltages will permanently damage the meter.
- Do not reverse polarity on the power supply wires – the meter has no reverse protection on its auxiliary input.
- Keep shunt connections clean and tight – a loose shunt can overheat or cause voltage drops.
- The meter is not isolated. Ensure no part of the circuit is shorted to the meter’s casing.
2. Specifications
Before installation, verify the ratings of your specific unit (usually printed on the side of the blue transformer or the module housing). peacefair pzem-051 manual