The PicoLog CM3 USB / Ethernet data recorder for mains power is a compact and easy-to-use device for measuring the power consumption of buildings and machines. With three channels, high accuracy and low noise, it is ideal for recording data from single and three-phase AC power supplies. The data recorder is supplied complete with three AC terminals and all the software required. The USB and Ethernet interfaces enable the data recording device to be used as a pure USB device, as a device with USB power supply and Ethernet interface or as a Power-over-Ethernet (PoE) device. The PicoLog CM3 can be operated in a LAN or over the Internet via the Ethernet interface.