ATI A21 Gas Sampling System

The A21 is a gas sample pumping system designed to draw samples from ducts or hard to access locations and deliver the samples to gas sensors located in a more convenient area.

Features

  • Integrated sampling system
  • Standard loss of flow alarm
  • Variable flowrate adjustment
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ImagePart#Product DescriptionPriceStockOrder
ATI A21 Gas Sampling System00-0676 A21 gas sampling system, AC power
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ATI A21 Gas Sampling System 00-0852 A21 gas sampling system, DC power
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ImagePart#Product DescriptionPriceStockOrder
ATI A21 Inlet Filter Assembly 00-0703 A21 inlet filter assembly
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The A21 is a gas sample pumping system designed to draw samples from ducts or hard to access locations and deliver the samples to gas sensors located in a more convenient area. A21 Sampling Systems use a high quality diaphragm pump operated by a brushless DC motor to provide continuous sampling over long periods of time. Sampling pumps are rated for over 10,000 hours of continuous operation and diaphragms in the pump may be changed easily if necessary. The pump will draw samples against a vacuum of up to 10" Hg. for sampling negative pressure duct systems when necessary.

 

In addition to the sampling pump, A21 systems contain various components needed to insure reliable sample measurement. A flowmeter mounted on the front panel allows the user to adjust the sample flowrate to the desired value, normally around 500 cc./min. Internal to the system is a loss of flow detector that will warn of sampling system problems that could compromise the gas measurement system. A loss of flow alarm light on the front panel provides local flow loss indication while an internal relay can be used to indicate this alarm remotely.

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