RTU M-Bus for managing up to 20 devices with datalogger function. Stand-alone field device for data collection from M-Bus meter by using a WEB interface. Integrated display for setup and data reading. It can be extended up to 250 devices by adding Level converter MBUSLC1. Pre-set for the M-Bus WIRELESS reading. 24 V ac/dc power supply, max. power consumption 7,5 W.