R407C Gas Detector 0-5000 ppm 90-240 Vac - Infrared sensor - SMART3-H-FM LITE for non classified area S4671R407C Sensitron

R407C Gas Detector 0-1000 PPM 4-20mA Relay, Display & Buzzer - Semiconductor sensor, for non classified area GDR453S3 - Tecnocontrol

R407C Gas Detector 0-2000 PPM 4-20mA Relay, Display & Buzzer - Infrared sensor, for non classified area GDR453I3 - Tecnocontrol

R407C Gas Detector 0-1000 PPM 4-20mA Relay, Display & Buzzer - Semiconductor sensor, for non classified area GDR450S3 - Tecnocontrol