Ashcroft 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

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