Siemens IT2C2233SD Description Description Siemens SOLFOR dioxide detector. 4-20 mA pp 0-20 Related products SIEMENS 1FK7063-5AF71-1FG2 SIEMENS 1FK7022-5AK71-1AG0 SIEMENS 1FK7042-5AF71-1EA0 SIEMENS 1FN3050-4SA00-0AA0 SIEMENS 1FK7022-5AK71-1DA0 SIEMENS 1FK7103-5AF71-1DH0