Techies, DIYers, and anyone curious about their energy use – this compact power meter is a cool little gadget. It's a single-phase AC monitor that measures almost everything: voltage (50-300V), current (0-100A), active power (up to 30,000W), energy consumption in kWh, power frequency, and power factor. It shows all six readings at once on a colorful LCD screen. You install it in a panel (needs a 22mm diameter hole) and wire it up with a current transformer (CT) clamp for the current measurement and direct wires for voltage. It has an auto-save function for the kWh total, so you don't lose data if the power goes out, and a reset button. It's made with a flame-retardant ABS case and a precise chip. Great for monitoring a circuit in your home, workshop, RV, or for small solar/battery systems. A word of caution: it's for standard 50/60Hz AC sine waves only – don't use it on inverter outputs or modified sine waves, or you'll fry it. But for standard home use, it's a powerful tool for understanding your electricity consumption.
