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Buy, sell, trade-in or rent Preston Pressure PS-525A (PS-525A) Air Data / Pitot static Test Set.


Avionteq offers both new and refurbished or used Preston Pressure PS-525A Pitot-Static Tester, Portable, Digital with Encoder Reader for sale or rent at most competitive price. All refurbished equipment are thoroughly tested and come with our warranty and fresh calibration certificate (when required). You can also sell your excess / surplus Preston Pressure PS-525A or receive trade-in credit towards purchase of other test equipment.


Preston Pressure PS-525A Features and Specifications *

The Preston Pressure PS-525A is a mobiletrouble-free digital tester. It is perfect for performing simple go/no-go leak tests and for common use as a pitot-static tester. The tester can be used completely independent of any external power source because it is powered by 24 volts DC, or by its two internal re-chargeable batteries. 


  • Altitude goes up to 50,000+ feet/15,240 meters
  • Dimensions: 12"D x 15"W x 9.5"H
  • Lightweight - about 20 lbs
  • Independent Vacuum and Pressure pumps and systems
  • Displays airspeed in Knots, KPH and MPH to 650 Knots
  • Altitude is displayed in 1, 2, and 5-feet/1meter increments
  • Built-in Encoder reader for displaying Gray Code, and RS232: 1200, 2400, 9600 baud
  • Selectable timing for Leak Check feature in Altimeter and Airspeed modes
  • Altimeter section includes VSI - Vertical Speed Indicator
  • Read pressure in inHg, mbar, mmHg, PSIA, and E.P.R.
  • Specifically designed and priced for non-RVSM use
  • Removable lid
  • Powers 12 and 24 Volt encoders


* Preston Pressure PS-525A technical specifications is provided for reference only. Avionteq cannot ensure accuracy of the technical specifications presented herein. The technical data may not relate entirely to all model and versions of the PS-525A such as the models sold by Avionteq.

Van Nuys Airport (VNY), Van Nuys, CA 91406 USA