ABB Make TTH200 Head Mounted Temperature Transmitter Model:TTH200.Y0.H.BS-.EM..GHA...D3.SF.Z2.C07.M5 Communication Protocol:HART, programmable, output signal 4 ... 20 mA Display Options:LCD indicator type AS Mounting Options:Snap-on fixing set for 35 mm rail acc. EN 60175 (incl. fixing screws)