The HTW Series, Hall Effect Proportional Output Thumbwheel, is available with eight output options, a self centering, single axis, thumbwheel actuator that provides linear change in voltage output in either direction from center position to the full travel position in either direction and single or dual (redundant) outputs in either direction. The HTW Series snaps into a 1.47 in. x 0.71 in. panel opening with rocker switch style mounting and provides a 5 million cycle rotational life. The HTW Series is sealed to IP68 and has excellent EMI/RFI immunity.