MSA GasGard XL Manuel D'utilisation page 7

2 Description
The general-purpose control system enables:
• Combustible gas monitoring
• for protecting operational plants and workers by monitoring atmospheres for potentially explo-
sive gases/vapors in air before they reach the lower explosion limit and by activating alarms
and initiating risk aversion measures.
• Oxygen monitoring
• for protecting individuals by monitoring the atmosphere for oxygen deficiency or oxygen
enrichment.
• Toxic gas monitoring
• for protecting individuals by continuously monitoring the atmosphere for toxic gas concentra-
tions.
NOTE: An alarm activates if set limit values are reached (e.g. minimum/ maximum concentration in
the atmosphere).
Typical applications are:
• Chemical and petrochemical industry
• Paint and solvent industry
• Gas-processing industry
• Municipal areas.
2.1 Control Unit
Fig. 1 Enclosure
1 Power Supply
2 Channel Relay Board
3 Channel Board
4 Sensor Extension Board
5 Cable entries
6 Backup Battery
7 Enclosure with mounting holes
GasGard XL
Description
US
7