Siemens IT2C2233SD Description Description Siemens SOLFOR dioxide detector. 4-20 mA pp 0-20 Related products SIEMENS 1FK7022-5AK71-1DA0 SIEMENS 1FK7044-7AF71-1EG0 SIEMENS 1FN1910-0AA20-1AA0 SIEMENS 1FK7060-5AF71-1FH3 SIEMENS 1FN3050-4SA00-0AA0 SIEMENS 1790L811A