R449A Gas Detector 0-2000 ppm 4-20mA - Infrared sensor SMART3G-D2 Sensitron Explosion Proof Enclosure Version with display Zone 1 Category 2 areas S3924R449A

R449A Gas Detector 0-2000 PPM 4-20mA - Infrared sensor, for non classified area GDR300I6 - Tecnocontrol

R449A Gas Detector 0-1000 PPM 4-20mA - Semiconductor sensor, for non classified area GDR300S6 - Tecnocontrol

R449A Gas Detector 0-2000 ppm 4-20mA - Infrared sensor - SMART3-R for non classified area S4620R449A Sensitron

R452B Gas Detector 0-20% LFL - Infrared sensor - SMART3-H LITE for non classified area S3851R452B Sensitron

R452B Gas Detector 0-20% LFL 90-240 Vac - Infrared sensor - SMART3-H-FM LITE for non classified area S4663R452B Sensitron