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R454B Gas Detector SMART3-H-FM LITE S4681R454B

R454B Gas Detector 0-20% LEL 12-24 Vdc - Infrared sensor - SMART3-H-FM LITE for non classified area S4681R454B Sensitron
SMART3-H-FM LITE - Détecteur de Gaz refrigérant A1 et A2L - Gas Detector for A1 and A2L refrigerant gases