Digital Altimeter and Airspeed instruments
Preston Pressure manufactures drop-in replacements for analog mechanical indicators in pitot-static testers. The altimeters are available in 35,000 and 50,000 feet options, and include VSI and leak check functions. The airspeed indicators are available in 300 and 500 knot options, and also display in MPH and KPH, as well as a leak test function. Both instruments operate on 12 volts DC.
For more information, visit PrestonPressure.com.