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Dwyer Instruments: Pumps

Single Hand Operation, Vacuum or Pressure

The Model A-350 Aspirator Bulb can be used to source pressure for calibration and leak checking tests. Simply squeeze the bulb after the tubing is connected to generate pressure. For applications such as our CO2 indicator, the aspirator bulb can be squeezed before inserting the tubing to draw a vacuum to pull the smoke or air from a duct or stack into the gage.

Model A-350 Applications

  • Calibration and leak check testing.