Series PCHP Pneumatic Calibration Hand Pump

Brand: Dwyer Instruments, LLC

The Series PCHP Pneumatic Hand Pump comfortably sources pressure and vacuum to check calibration of gages, switches, transmitters, and recorders.

The contoured cushion handles provide extra comfort while preventing the pump from sliding.

The oversized check valve provides smooth operation throughout the output range. The dual o-rings on all pistons ensure zero leakage.
  • Oversized check valve maintain smooth operation
  • Dual O-rings on pistons ensure no leaks



  • Instrument Calibration
  • Laboratories
  • Production Areas

BSP Inlet

  • 1/4” BSP Female
  • 1/8” BSP Male

BSP Outlet

  • 1/4” BSP Female
  • 1/8” BSP Male

Enclosure, Body Material

  • Aluminum - Anodized

Handle Assembly Material

  • Plastic - Wetted Material
  • Rubber - Wetted Material

NPT Inlet

  • 1/4” NPT Female
  • 1/8” NPT Male

NPT Outlet

  • 1/4” NPT Female
  • 1/8” NPT Male

O-Ring Material

  • Nitrile - Wetted Material

Output Pressure

  • -28” Hg to psi: 600 (kPa: 4,000, bar: 40)

Wetted Materials

  • Stainless Steel
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