The AT303 is a temperature transmitter designed to accept standard platinum resistors (Pt100 two- or three-wire). It complies with BS1904 or DIN43760 and converts temperature to an industry-standard 4-20ma current. The transmitter is packaged in a din standard connection module. There are three standard factory ranges for the transmitter. There is a trimming potentiometer in the module, which is used to reset the zero point and adjust the range finally. Material is 316L stainless steel, suitable for pharmaceutical and food industry.