Portfolio CAL755405-Heat & Cold meter with RS485 communication MONITOR 2.0 – 720020-H.C.A. with W.M-Bus communication CAL75504-Heat & Cold meter with RS485 communication Gradus-H.C.A. with W.M-Bus communication FAW-W.M-Bus interface for water meter microCLIMA-Available with M-Bus and W.M-Bus communication 1 … 7 8 9 10 11 … 35