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Buy, sell, trade-in or rent Preston Pressure PS-525 Air Data Test Set.


Avionteq offers both new and refurbished or used Preston Pressure PS-525 Portable Digital Pitot-Static Tester 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-525 or receive trade-in credit towards purchase of other test equipment.


Preston Pressure PS-525 Features and Specifications *

The Preston Pressure PS-525 is a fully portable low-maintenance digital tester. It is perfect for performing simple go/no-go leak tests and for general 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.


  • 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
  • Altitude goes up to 35,000+ feet/10,700 meters
  • 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-525 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-525 such as the models sold by Avionteq.

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