• Direct Drive Pressure Gauges

Perma-Cal® Industries has been a leader in quality and design of Direct Drive Pressure Gauges for over 35 years. Reliable in the most rugged environments, Perma-Cal® gauges are designed to withstand hostile applications, including intense vibration and overpressure. For this reason, Perma-Cal® gauges are well suited for the Industrial, Energy & Power, Aerospace, Petrochemical and Commercial Diving Industries.

Extreme Impact Test - Perma-Cal Pressure Gauges

Error: The video (https://www.youtube.com/watch?v=c6qbV-rkV7k) couldn't be embedded.


Accuracy: ±.25% F.S.(Grade 3A)*

Test gauges feature a knife-edged pointer for precision readings and include calibration certificates.

Typical Applications

• Industrial applications
• Energy & power plants
• Pump applications
• High-Temp media pumps
• Steam pipes
• Oil pipelines
• Petrochemical plants
• Refineries
• Asphalt equipment
• Manufacturing facilities
• Factories, and more…

Range Availability

• 15psi to 15,000psi (or equivalent)

• Range Types

  • Single Scale
  • Dual Scale
  • Vacuum and Compound

• Range Units

  • psi
  • bar
  • kPa
  • MPa
  • kg/cm²


Accuracy: ±.5% F.S.(Grade 2A)
±.5% Mid-Scale/±1% F.S.*

Process gauges feature bold lettering and an easy read pointer.

Product Line Specifications

• Direct Drive Design (helically-wound Bourdon tube)
• No liquid fill (internally dampened)
• Solid front case
• Case Material:

  • ABS (acrylonitrile butadiene styrene)
  • Metal Cases: Stainless Steel or Aluminum
  • Glass-Filled Nylon: High-Temp Yellow Turret Style

• Metal Case Finish: Powder Coated or Unpainted
• Window Construction: Acrylic or Tempered Glass (increases heat tolerance)
• Media Temperature:

  • ABS: -65°F to 250°F
  • High-Temp Turret and Metal: -65°F to 600°F

• Ambient Temperature Tolerance:

  • ABS: -65°F to 190°F
  • High-Temp Turret and Metal: -65°F to 400°F

• Burst Pressure: 500% F.S. pressure or 25,000 psi
• Fitting Material: 316 Stainless Steel
• Wetted Materials:

  • Stainless Steel 300-series
  • Inconel X-750
  • Silver Braze (Nickel Braze if specified)

• Overpressure without calibration shift:

  • 50% for gauges ≤5,000 psi or equivalent
  • 25% for gauges >5,000 psi or equivalent