Model Number: Barfield DPS400

Request for Quote


    Digital Air Data Test Set

    Aero Express is an Authorized Distributor for the Barfield DPS400 Test Set.

    To view click here:  Standard Warranty Policy  DPS400 Data Sheet   DPS 400 Manual Operation Manual

    Aero Express will buy, sell and trade the DPS400 depending on your needs.  The DPS400 is a microprocessor based unit using the latest in transducer technology.  These transducers combined with manually controlled ultra sensitive differential regulators enable a technician to precisely control the altitude and airspeed without the need for correction cards.  These true differential regulators enable a technician to independently control the airspeed and altitude and remove the need for a crossbleed valve.


    • Transducer Technology providing the highest accuracy and best long-term stability available for line maintenance equipment
    • True differential regulators used for independent control of airspeed and altitude
    • Menu-driven operator interface proving protection of instruments under test with programmable limits on the following parameters: Altitude, Airspeed, Rate of Climb and Mach
    • Leak testing mode displays leak rates in Ft/Min, Knots/Min and Metric equivalent units
    • Quicker during dual channel type test
    • Aircraft limit protection

    1-Year Factory Barfield Warranty on all new products.


    Express Calibration is an Authorized ISO-17025 Calibration and Repair shop for the Barfield DPS400. Visit for full capabilities.

    All units will be sold with a current calibration certificate. If factory new, a manufacturer’s Certificate of Conformance (C of C) will be provided.

    Since its inception, Express Calibration Services has supported Aero Express’ endeavors in providing test equipment support services.

    They perform calibrations for General Aviation, Corporate Aviation, OEMs, FAA Repair Stations, Military, as well as Regional and Air Transport Airlines. Express Calibration Services offers their services when you have a requirement for calibration or repair of your test equipment.