Hydraulic High Pressure Comparison Pump

S.M. Gauge comparison calibration pumps are used for checking pressure instruments against a master test instrument. They are a portable pressure calibrator and are rugged with a stainless steel bottom plate.

These can be supplied with or without a master digital or analogue gauge complete with a traceable or UKAS certificate of calibration.


  • Range: Up to 4000 bar
  • Medium: Oil
  • Stainless steel bottom plate with plastic cover
  • Mounting feet
  • Adapters: 1/8″, 1/4″, 3/8″ and 1/2″ BSP
  • 0.5 litres of oil


  • Adapters with other connections
  • Rear mount adapter
  • Pointer remover/punch

If you have any questions, please contact us on +44 (0) 117 965 4615 or visit our enquiry page and submit the form.

We can also customise our products to your specific needs.

Excellent Customer Service

Dedicated pre and post sales staff

From your first enquiry through to future advice and support, we put customer service at the forefront of our business.

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Leading industry standards

NQA ISO9001 Accredited and Achilles Affiliated

  • UKAS logo
  • Achilles logo
  • NQA UKAS logo
  • BEMA logo
  • QAS International ISO 14001:2025 logo

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