Acromag's TT330 Series of 4-Wire Transmitters
TT330 series of 4-wire process transmitters support high-density mounting on DIN-rails and provide a convenient USB connection to a PC for simple, precise configuration using Windows software. Several models are available to convert a variety of thermocouple, voltage or current input signal types to your choice of bipolar or unipolar ranges for proportional voltage or current output signals. Wiring terminals are front-facing and removable for easy connections and maintenance. TT330 process signal converters are dc-powered (12-32 V) and support a bussed rail power option for primary or redundant power.