Accept input RTD, Thermocouple, Voltage , Current Process – Temperature , Pressure, Humidity ,Level Flow,Co2, Air velocity, Diff pressure etc … Optional for with and with out Display Also available single pen and 2/3/6/12 point ( Input) Operating Voltage 110 VAC or 230 VAC Chart speed 20 mm/ hour and up to 200 mm/ hour optional Chart Size 120mm or 180 mm , pen and multi color ribbon External power supply for transmitter optional Cutout size : 208 X266 mm