Portfolio PDC-Pulse Input to W.M-Bus interface PDC-Pulse Input to W.M-Bus interface Multidata WR3-Heat / Cold meter with M-Bus communication MTKDE/ETKDE- with W.M-Bus communication Zelsius-Heat / Cold meter available with M-Bus communication Gradus-H.C.A W.M-Bus communication 1 … 16 17 18 19 20 … 35