The Model DPST-9300A Automated RVSM / AOA-3 Channel Pitot Static Test Set is a fully automated flightline three (3) channel pressure controller, designed to provide regulated total (PT) pressure and static (PS) pressure outputs to simulate Altitude, Airspeed, and Vertical Speed parameters. The test set can also be used in a laboratory environment to calibrate Altimeters and Airspeeds in maintenance shops or harsh hanger environments. The test set is compact, light weight, and can fit in the overhead compartment on most commercial airliners. _x000D_ We buy and sell all types of new and used avionics test equipment. Contact us for a quote today.