Pressure source in calibration and leakage tests Draw gas sample into CO2 Indicator or smoke gauge Vacuum or positive pressure sourcing Compact and portable Applications

Dwyer A350 Single Hand Operation Aspirator Bulb, Vacuum or Pressure can be used to source pressure for calibration and leak checking tests. Squeeze this compact and portable bulb after the tubing is connected to generate pressure. The A-350 can be squeezed before inserting the tubing to draw a vacuum to pull the smoke or air from a duct or stack into the gauge.