TB 9-4220-215-35
Figure 1. Depth gage - equipment setup.
WARNING
To prevent injury to personnel or damage to equipment, make
certain that all components are within the range of the unit to
be calibrated and all connections are securely sealed prior to
applying pressure to TI. Never attempt to tighten connections
with pressure applied.
b. Position controls on pneumatic pressure standard as indicated in (1) through (7)
below:
(1) Set POWER switch to ON and allow 1 minute for warm-up.
(2) Press SOURCE pushbutton to INT.
(3) Press UNITS DISPLAYED pushbutton to PSIA.
(4) Press RANGE pushbutton to 0-250.
(5) Press SENSITIVITY pushbutton to HIGH.
(6) Press RESET pushbutton.
(7) Press ZERO pushbutton.
c. Adjust regulator fully ccw.
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