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Before diving into the manual details, let’s clarify what this device is. The PZEM-051 is a designed by Peacefair (a well-known manufacturer of electrical measuring instruments). Unlike its AC counterparts (like the PZEM-021), the -051 variant is strictly for Direct Current (DC) systems.
Electrical parameter measurement, voltage alarm, energy reset, data storage during power-off, and backlight control. en.peacefair.cn Operating Instructions 1. Energy Reset (CLr) If you need to clear the accumulated energy value (kWh): Enter Reset Mode: Long press the key for until "CLr" appears and flashes in the energy display area. Confirm Clear: peacefair pzem-051 manual
Short press to switch between and 50A modes to match your external 75mV shunt 0;6c;. Before diving into the manual details, let’s clarify
The shunt must be placed on the Negative (Ground) side of the circuit. Never put the shunt on the positive line. Confirm Clear: Short press to switch between and