The Peacefair PZEM-051 is a popular, low-cost AC digital multifunction meter designed for single-phase systems. It is widely used in DIY electronics, solar monitoring, and industrial control panels to measure voltage, current, power, and energy consumption.
Some versions also display Ah (Amp-hours) and can store total energy across power cycles. peacefair pzem-051 manual
When you purchase a Peacefair PZEM-051, the package typically includes: Peacefair PZEM-051 User Guide & Manual 1