Siemens IT2C2221HS Description Description Siemens Detector EEx-d HYDROGEN SOLFOR. 4-20 mA 0 Related products SIEMENS 1790L811A SIEMENS 1FN3050-4SA00-0AA0 SIEMENS 1FK7022-5AK71-1AG0 SIEMENS 1FK6060-6AF71-1TG0 SIEMENS 1FK6060-6AF71-1TA0 SIEMENS 1FT5072-0AC01-0-Z