on how to reset the energy (Wh) counter.
: It clearly explains the single-button interface used to reset energy readings and set power alarms. peacefair pzem-051 manual
is a DC multi-function digital meter designed to monitor four key electrical parameters: voltage, current, active power, and energy. It features a large LCD screen and supports an external shunt (usually 50A or 100A) for current measurement. Technical Specifications 6.5 – 100V DC Rated Power: 100A / 10,000W (Maximum) Accuracy: Grade 1.0 (Voltage/Current) Measurement Ranges: on how to reset the energy (Wh) counter