PD194Z-E14 is a multi channels power meter, with 12 channel 1 phase or 4 channel 3 phase power monitoring device in standard din rail mounted design. Besides the basic RS485 communication, LoRa and GPRS wireless data transmission are also available. It has an independent power supply module AC/DC(80~270V) in 0.5 class measurement accuracy. Harmonic upto 31st as well.