The WV Series, Model WV418, RTD Input Signal Conditioner with TouchCAL technology. This high-density, field-configurable DIN rail-mount device acceepts RTD inputs and provides an analog output of either voltage or current that is proportional to the input signal. IT is poweredd by a flexible 9 to 30 Vdc and is field configurable via DIP switches for two-, three-, or four-wire Pt100 RTDs of either alphas of 0.00385 or 0.00392, as well as copper Cu10 RTDs.