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Buy, sell, trade-in or rent Preston Pressure PS-425 Air Data Test Set.


Avionteq offers both new and refurbished or used Preston Pressure PS-425 Portable Digital Pitot-Static Tester 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-425 or receive trade-in credit towards purchase of other test equipment.


Preston Pressure PS-425 Features and Specifications *

The Preston Pressure PS-425 is designed for non-RVSM markets. It is completely portable and capable of performing simple go/no-go leak tests and for general use as a low-end pitot-static tester. The PS-425 is powered by 8 internal alkaline batteries which enable the tester to be completely independent of any external power source.


  • Dimensions: 12"D x 15"W x 9.5"H
  • Lightweight - about 15 lbs
  • Independent Vacuum and Pressure pumps and systems
  • Altimeter section includes VSI - Vertical Speed Indicator
  • Selectable timing for Leak Check feature in Altimeter and Airspeed modes
  • Power source: 8 D-size internal batteries or adapter
  • Altitude goes up to 35,000 feet
  • Altitude is displayed in 2 and 5-feet increments
  • Displays airspeed 20 - 500 Knots
  • Specifically designed and priced for non-RVSM use
  • Removable lid 


* Preston Pressure PS-425 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-425 such as the models sold by Avionteq.

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