A4A Precision Pressure Gauge

A4A Precision Pressure Gauge

The Ashcroft® A4A precision dial pressure gauge is known for high accuracy and performance. An ideal product for use with test, calibration and validation systems.

Key Features:

  • Mirror-band dial and knife-edge pointer eliminates paralax error while
  • assuring easy readability of precise measurements
  • Solid-front case design and blow-out safety back protect users from extreme overpressure
  • Optional Slotted link - protects gauge from sudden decrease in pressure
  • Optional Thermal Compensation - to maintain accuracy over a wide temperature range from -25° to +125°F


  • Accuracy: ±0.1% full scale (ASME B40.100 Grade 4A)
  • Pressure Ranges: Vacuum to 100,000 psi; absolute pressure available
  • Dial size: 6", 8 1/2", 12" and 16"; aluminum solid-front case

The A4A precision dial pressure gauge is ideal where precise and reliable pressure measurement is essential:

Industrial Market:

  • Test Laboratories
  • Precision Test and Measurement Validation
  • Calibration Laboratories