Baker Hughes Druck DPI 610A, Instruction Manual

Page: 11 / 20

Copyright 1998 Baker Hughes Company.
English–DPI610A Instruction Manual | 9
• If necessary, SELECT AERO UNITS:
2.2.1 Method
1. Connect the instrument to the static system and, if required, apply a pressure correction
value of the pressure of the day (POD) as detailed on page 6.
2. Close the release valve and manual let-down valve, using the hand-pump, generate the
required altitude.
3. Set WAIT and DURATION of the leak test times:
4. When ready, press the RUN key (F2):
Note: Initially, the WAIT period counts-down, followed by the TIMING period. The START
ALT is recorded as soon as the timing period starts. At the end of the test the display shows
the complete details of the test.
5. Record the displayed operating data.
6. To perform another leak test, use the hand-pump to generate a new system altitude and
press RUN (F2) again.
7. On completion of the test, allow the altitude to decrease until it is below 1500 ft.
8. Slowly open the manual let-down valve to return the system to ground level.
9. To exit or cancel leak test mode, press TASK.
2.3 Airspeed Switch Tests
Select TASK, AERO:
SELECT AERO
UNITS
ft/minute
m/minute
ft/second
m/second
hm/minute
SELECT UNITS
INPUT
RUN CHANGE
VALUE
ALTITUDE
WAIT
60
secs
DURATION 60 secs
START ALT. ft
STOP ALT. ft
ALT. CHANGE ft
LEAK RATE ft/min
ft
ft
ft
RUN CHANGE
VALUE
ALTITUDE
WAIT
60
secs
DURATION 60 secs
START ALT. ft
STOP ALT. ft
ALT. CHANGE ft
LEAK RATE ft/min
SET WAIT TIME
SET DURATION
RUN CHANGE
VALUE
ALTITUDE
WAIT 60 secs
DURATION
60
secs
START ALT. ft
STOP ALT. ft
ALT. CHANGE ft
LEAK RATE ft/min
ft ft
TIMING
ft
WAITING
ALTITUDE ALTITUDE
POD = 1002.85 POD = 1002.85
STOP STOP
RUN
CHANGE
VALUE
ALTITUDE
WAIT 60 secs
DURATION
60
secs
START ALT. 13354 ft
STOP ALT. 13322 ft
ALT. CHANGE -32 ft
LEAK RATE -32 ft/min