The PS-525 digital pitot-static tester is designed and priced for non-RVSM aircraft. Two versions are available, for 35,000 and 50,000 feet. Airspeed is displayed up to 500 knots. Features include electric pumps, altitude encoder reader, and annual calibration. It is portable, with internal re-chargeable batteries. For more information visit www.prestonpressure.com.
