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  • HP-1 (Dwyer)
  • Usually ships in 4-6 business days



  • Output Ranges: -27" Hg to 45 psi (-910 mbar to 3 bar)
  • Process Connection: 1/4" female NPT (quick fit)
  • Fine Adjustment: Better than 0.0015 psi (0.1 mbar)
  • Materials: Nickel plated brass and anodized aluminum


The Dwyer HP Hand Pump provides a dual source of pneumatic pressure and vacuum for verifying the calibration pressure instrumentation. Pump can generate pressures up to 30 psi (2 bar) and vacuum to -25" Hg (-850 mbar). The compact pump is designed for portability and single hand operation.

The Dwyer HP features a pressure relief valve and fine adjustment for control better than 0.0015 psi (0.1 mbar). Pump includes two 39" (1 m) hoses terminating in 1/4" female NPT connections and instruction manual.


This product can be used in the following applications: