Pressure alarm systems are used to alert users when the supply pressure into a gas mixer is inadequate to allow the gas mixer to produce an accurate mix. These systems are utilized when producing an accurate mixture is important, but no gas analyzer is available to monitor the mixture quality. Pressure alarms may be built into some Thermco 2 and 3 gas mixing systems when they are manufactured. If it is desired to add the pressure alarm system to a gas mixer already built, an alarm system in a separate enclosure may be purchased. These are the model 9502 (2 gas) and model 9503 (3 gas) pressure alarm systems.

Drawing of the Pressure Alarm System Applied to an 8500 Gas Mixer

      

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