R454C refrigerant Gas Detector 0-1000 PPM 4-20mA Relay, Display & Buzzer - Semiconductor sensor, for non classified area GDR453S13 - Tecnocontrol

R454C Gas Detector 0-20% LFL - Infrared sensor - SMART3-H LITE for non classified area S3850R454C Sensitron

R454C Gas Detector 0-20% LFL 90-240 Vac - Infrared sensor - SMART3-H-FM LITE for non classified area S4662R454C Sensitron

R454C Gas Detector 0-20% LFL 12-24 Vdc - Infrared sensor - SMART3-H-FM LITE for non classified area S4682R454C Sensitron