The PD194Z-E14 is a versatile power meter that can monitor either 12 channels of single-phase power or 4 channels of three-phase power. This device is designed to be mounted on a standard DIN rail, making it easy to install and use. In addition to the basic RS485 communication, the PD194Z-E14 also supports wireless data transmission over both LoRa and GPRS networks. With its independent AC/DC power supply module and 0.5 class measurement accuracy, this power meter is a reliable and accurate tool for monitoring energy usage. Additionally, it can measure harmonic frequencies up to the 31st order, providing even more detailed information for analysis.