These gas sensor heads are to be used with either EC30 or EC50 gas detection units. There are two types available, the EC71 for natural gas and light gas, the EC72 for LPG heavy gases. The sensor for alarm is set below the L.E.L level (Lower Explosion Limit) however there is internal regulation for the sensitivity if required.
- Green LED for power on indication
- Red LED for gas presence indication
- Amber LED for fault indication
- Anti-shock casing material
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