PS-425

Price: $4,550.00

PURCHASE DIRECT FROM FACTORY

The PS-425 Pitot-Static tester is a low-maintenance, digital tester that is fully portable. The PS-425 is powered by an internal rechargeable 12 volt battery, which enables the test set to be used completely independent of any external power source. A connector is provided for an external 12 volt DC power adapter (included).

The PS-425 incorporates the altitude, VSI, and airspeed in one single display. The PS-425 is designed and priced for non-RVSM markets, and includes two quick-connect hoses, 12 VDC power adapter, calibration certificate, and a limited 2-year warranty.

This product is ideal for performing simple go/no-go leak tests, as well as for general use as a low-end pitot-static tester. It only requires an annual calibration, and the sensors are technician-proof, which contributes to reduced annual maintenance costs.


The PS-423 is designed to be a truly portable tester. With it’s manual pumps combined with the internal battery, this tester boasts versatility and all-day portability.

Conducts Altitude tests up to 35,000 feet and is displayed in increments of 1-foot or 1-meter. The tester displays the Airspeed and in Knots as well as VSI – Vertical Speed Indicator

The price includes the test box, wall power adapter, two 20-foot hoses (about 6 meters) with connectors, and the manual. There are no test cables or other adapters included

The outside dimensions of the PS-525 test box are: 12.5”D X 15”L X 9.5 ”H (32x38x24 cm) . This small size makes the box very portable at only about 17 lbs (7.7 Kg), easy to handle, and will easily fit into baggage compartments.

Notable Features:

  • Fully portable

  • Illuminated LCD display

  • Lightweight – about 17 lbs (7.7 Kg)

  • Physical Dimensions: 12.5”D X 15”L X 9.75 ”H (32x38x24 cm)

Available Options:

  • Hansen quick connectors (standard)

  • Swagelok quick connectors

Other Features:

  • Selectable timing for Leak Check feature in Altimeter and Airspeed modes

  • Independent Vacuum and Pressure pumps and reservoirs

What is included:

  • 1 x Power Adapter

  • 2 x Hoses 20ft (~6 meters) in length

  • 1 x Product Manual

  • 1 x Calibration Certificate valid for 1 year

Note: The PS-425 does NOT have the precision required to test RVSM altimeter systems.

Preston Pressure warrants its products against defects in workmanship and material under normal, intended use for a period of two years from the date of purchase. The batteries are warranted for a period of 90 days from the date of purchase. Valves are warranted for a period of 180 days.

If you are not satisfied with the performance of the PS-425 pitot-static tester, you may return it for a full refund, if returned within 30 days.

Returned products must be in original condition (normal, minor wear is acceptable).

Shipping costs are not refundable.

  • Digital Altimeter:

    • Display Range : -1000 to 35,000 feet or -305 to 10670 meters

    • Vacuum Pump Range: up to 35,000 feet or 10670 meters

    Resolution:

    • 1-foot increments or 1-meter increments

    • Sensor Accuracy:+/-10 ft @ 0 ft, +/-20 ft @ 35,000 ft, +/-50 ft @ 50,000 ft

    • VSI 2 and 10 Ft/Min, or 1-meter increments

    • Knots: 0.1 knot increments

    • +/- 1.5 knots

    • Temperature range: 32 degrees F to 125 degrees F (0 C to 51 C)

    Other Measurement Units:

    • VSI – vertical speed indicator

    Digital Airspeed:

    • Airspeed Range: 0-500 knots

    Power Source:

    • External: 12 VDC (from a 110 or 220 VAC adaptor)

    • Internal: 12 VDC (internal rechargeable battery)

    Physical Characteristics:

    • Physical Dimensions: 13”D X15.25”L X 9.5 ”H (33x39x24 cm)

    • Weight: approximately 17 lbs (7.7 Kg)