SMART 3-R 90-240 VAC R1234ze 0-2000 ppm 4-20 mA IRCrowconSMART 3-R 90-240 VAC R1234ze 0-2000 ppm 4-20 mA IRProduct codeS4616R1234ZE-220Product codeS4616R1234ZE-220Request a quotation