Duplex Scale Differential

Duplex Pressure Gauges are designed with two independent pressure measuring systems built into one gauge. These are often used on filters, pumps and valve, rail braking systems and other specialised OEM equipment.


  • Diameter: 100 & 160mm
  • Ranges: from -1 bar (-30″Hg) vacuum to 1600 bar (23000 psi) pressure
  • Accuracy: ±1.0%
  • Connection: Bottom or Rear – 1/2″ BSP or NPT (1000 bar max)
  • Mounting Options: Panel mount with clamp, Surface mount & 3 Hole front flange
  • Case Filling: Dry
  • Case Material: 304 Stainless steel
  • Wetted Parts: 316L Stainless steel
  • Window: Safety glass
  • Process Temperature: 200°C Max
  • Weather Protection: IP 65


  • Custom Ranges/Dials
  • Customer Logo
  • Case Filling
  • Increased Accuracy of ±0.5% or ±0.6% FSD
  • Bespoke Threads
  • ATEX

Calibration Notes

  • Traceable to National Standards
  • UKAS

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.

Need help? Contact us!

Leading industry standards

NQA ISO9001 Accredited and Achilles Affiliated

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

We use cookies. Some are necessary to make our site work and others are optional, allowing us to analyse site usage, personalise content and to tailor advertising. These are stored on your device and are placed by us and trusted partners. Find out more in our cookie policy.