Oxygen Detector, O2 Detector 0-25% Vol 4-20mA - Electrochemical cell - SMART3G-C3 Sensitron Dust Proof Enclosure Version Zone 2 category 3 areas S2640O2 - Sensitron

Nonane Gas Detector 0-100% LFL 4-20mA - Catalytic sensor - SMART3G-D2 Sensitron Explosion Proof Enclosure Version with display Zone 1 category 2 areas S2157NN

Nonane Gas Detector 0-100% LFL 4-20mA - Catalytic sensor - SMART3G-C2-LD Sensitron Explosion Proof Enclosure with LED version Zone 1 category 2 areas S2155NN-LD

Nonane Gas Detector 0-100% LFL 4-20mA - Catalytic sensor - SMART3G-C2 Sensitron Explosion Proof Enclosure version Zone 1 category 2 areas S2097NN