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Druck ADTS 2XX User Manual
46
K0451 Issue No. 1
If necessary, select aero units and set aeronautical units of ft, kts and ft/min (see 3.3 to
change).
Press
HOLD AIMS
, to set the required parameters for Alt1, Alt2 and CAS.
Press
CONTROL
/
LEAK MEASURE
to go to control mode.
Set the Alt1 and Alt2 rate to 5000 ft/min.
Enter an altitude aim of 500 ft and an airspeed aim of 400 knots.
Press
SENDS AIMS
.
Check that these aim values are achieved, the rate of change are within the selected
rates and that the achieved aim values are stable.
Completion
|
Press
GROUND
, wait until the display shows `At Ground Pressures'. On successful completion
of this test procedure, switch off and disconnect the power supply.
5.2 ADTS 2XX Leak Check
|
Allow at least 15 minutes for the unit to warm-up.
Pressure leak check
|
This procedure verifies that the unit is leak tight under positive pressure conditions.
1.
Select manual control from the main operation menu. Set the units of measurement to inHg.
Select RATE TIMER and set the WAIT time to 5min.00secs and the TIME to 1min.00secs.
2.
Press
LEAK MEASURE/CONTROL
to enter control mode. Press HOLD AIMS, to set the
required parameters Ps1, Ps2 and Qc. Enter a Ps aim of 31.00 inHg and a Qc aim of 8.00
inHg. Press SEND AIMS.
3.
Check that the system acheives the aim values.
4.
Press
LEAK MEASURE/CONTROL
to return to Leak Measure mode.
5.
Select RATE TIMER and press start. The display shows the waiting time counting down then
the timing countdown. Finally the display shows timed rates with a ‘T’ after each value.
6.
Check that the Ps1, Ps2 and Qc rates are less than or equal to ±0.015 inHg/min. If the rates
are greater than this value, allow further thermal stabilization time and re-test.
Vacuum leak check
|
This procedure verifies that the unit is leak tight under vacuum conditions.
1.
Press
LEAK MEASURE/CONTROL
to enter control mode. Press HOLD AIMS, to set the
required parameters Ps1, Ps2 and Qc. Enter a Ps aim of 25.00 inHg and a Qc aim of 0.00
inHg. Press SEND AIMS.
2.
Check that the system acheives the aim values.
3.
Press
LEAK MEASURE/CONTROL
to return to Leak Measure mode.
4.
Select RATE TIMER and press start. The display shows the waiting time counting down then
the timing countdown. Finally the display shows timed rates with a ‘T’ after each value.
Summary of Contents for Druck ADTS 2 Series
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