Gas Detection
Fixed flammable & toxic gas detectors — 7 models available
Outputs: 4–20 mAModbus RTURelay
AG-GDC-100
Fixed Combustible Gas Detector
Explosion-proof catalytic bead detector for methane and combustible gases, 0–100 % LEL
Target Gas Methane (CH₄) / natural gas; other combustible gases on request
Measuring Range 0–100 % LEL
4–20 mAModbus RTU
View product 
AG-GDT-300
Fixed Carbon Monoxide Detector
Explosion-proof electrochemical CO detector for occupied plant rooms, 0–1000 ppm
Target Gas Carbon monoxide (CO)
Measuring Range 0–1000 ppm
4–20 mAModbus RTU
View product AG-GDO-400
Fixed Oxygen Deficiency Monitor
Oxygen depletion and enrichment monitoring where nitrogen, argon or CO₂ is stored, 0–30 % vol
Target Gas Oxygen (O₂) — deficiency and enrichment
Measuring Range 0–30 % vol
4–20 mAModbus RTU
View product AG-GDC-150
Fixed Hydrogen Detector
Catalytic bead hydrogen detection for battery rooms and electrolyser areas
Target Gas Hydrogen (H₂)
Measuring Range Configured to application — confirm at order
4–20 mAModbus RTU
View product AG-GDT-310
Fixed Ammonia Detector
Electrochemical NH₃ detection for refrigeration plant rooms and cold stores
Target Gas Ammonia (NH₃)
Measuring Range Configured to application — confirm at order
4–20 mAModbus RTU
View product AG-GDT-320
Fixed Hydrogen Sulphide Detector
Electrochemical H₂S detection for wet wells, sewers and biogas plant
Target Gas Hydrogen sulphide (H₂S)
Measuring Range Configured to application — confirm at order
4–20 mAModbus RTU
View product AG-GDT-330
Fixed Chlorine Detector
Electrochemical Cl₂ detection for dosing rooms and cylinder stores, 0–20 ppm
Target Gas Chlorine (Cl₂)
Measuring Range 0–20 ppm (other ranges on request)
4–20 mAModbus RTURelay
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