O TT421 is a 4-20 mA loop power HART® enabled intelligent temperature transmitter capable of measuring temperature using RTD's, thermocouples, resistance or mV input. The TT421 mounts on any industry standard DIN Form B connection head for easy integration with various sensors. This device meets all HART® Foundation physical layer requirements and is fully configurable through software. Extensive transmitter and sensor diagnostics are available through use of the Smar HPC301 Hand-Held Terminal based on the Palm platform or the Smar CONF401 Configuration Software for the Windows PC's.
