1327CM Pressure Gauge Comparator

The Ashcroft® 1327CM pressure gauge comparator is a portable pressure generation and test system. Serving as a secondary calibration source, its reliability and dependability are guaranteed. An ideal product when stringent calibration standards need to be provided.

Key Features:
  • 2-stage hydraulic pressure pump with integral shuttle valve
  • Includes 6″ model A4A precision analog gauge with temperature compensation and NIST traceable calibration chart
  • Single carrying case; contains pressure generation unit and up to 4 gauges
  • Accuracy: ±0.1% of gauge span
  • Pressure Ranges: 30, 100, 500, 1,000, 5,000 and 10,000 psi
  • bar, kPa, and MPa ranges are available
  • Operating Fluids:
    1327CMS – SAE 20 automotive or machine oil
    1327CMH – Phosphate or glycol based hydraulic fluids
    1327CMO – Distilled water (with sodium molybdate and phosphoric acid additives recommended as corrosion inhibitors)

The 1327CM pressure gauge comparator provides precision on applications:

Industrial Market:
  • Test and Measurement
  • Calibration Laboratories

Related Products

1305D and 1305DH Deadweight Tester

The Ashcroft 1305D and 1305DH deadweight testers provide a precise means for generating pressure with high accuracy that can be used as a primary calibration standard.

1327D Pressure Gauge Comparator

The Ashcroft® 1327D pressure gauge comparator offers the ideal combination of a reliable pressure source and a proven secondary standard.


  • Distributor Locator

    Locate an authorized Ashcroft distributor in your area.
  • Materials Selector

    Use the selector to review compatible wetted materials and requirements of your application.
  • Unit Convertor

    Need to convert measurement units? Check out our quick and easy approach to pressure, temperature and flow unit conversions.