The Barfield 1811D is an inexpensive, portable, self-contained field
tester ideal for leak testing aircraft pitot and static systems or on-board
testing of altimeters and airspeed indicators. The tester uses two analog
instruments (Altimeter & Airspeed) with the appropriate correction
cards to perform aircraft leak tests or instrument calibration checks.
All 1811 series testers are configured with hand pumps and external pressure
ports for supplying the necessary pressure and vacuum (no external power
required) needed for on-board testing. The Barfield 1811 series pitot/static
testers are very practical for new facilities or those with a limited
budget. The unit includes two 25-foot hoses, a pitot mast adapter, and
a 2423F static port adapter kit.