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GA10.218_1.01 - 11/2004
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59
6.4.7 Audio alarm type
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The trigger of the audio alarm can be switched on or off.
6.4.7.1 Pinpoint
The tone of the acustical signal changes its frequency only in a Leakrate-
window
which ranges from one decade below the Trigger level 1
up to one decade above the Trigger level 1. Below the window the tone is
constantly
low
, above the window it is constantly high.
Example: The Trigger level 1 is 4×10
-7
mbar l/s. So the window where the
tone changes reaches from 4×10
-8
mbar l/s up to 4×10
-6
mbar l/s.
6.4.7.2 Leak rate prop.
The frequency of the accoustic output is proportional to the reading on the
bargraph display. The frequency ranges from 300 Hz to 3300 Hz. Please
refer to Chapter
for the definition of the num-
ber of decades.
Softkey 2:
Softkey 3:
The sound will be proportional to the leak rate signal.
Softkey 5: Help function
Softkey 6:
Softkey 7:
An alarm sounds when the trigger 1 is exceeded.
Fig. 21 Pinpoint
f
LR
Tr. 1
0.1 • Tr. 1
10 • TR. 1
2570 Hz -
491 Hz -
Содержание PhoeniXL300
Страница 18: ...General Information 18 GA10 218_1 01 11 2004 ...
Страница 30: ...Operation Check 30 GA10 218_1 01 11 2004 ...
Страница 44: ...Working Principle 44 GA10 218_1 01 11 2004 ...
Страница 48: ...Operation 48 GA10 218_1 01 11 2004 refer to Chapter 6 2 1 Scale linear logarithmic Fig 15 Display Trend Mode ...
Страница 82: ...Menu 82 GA10 218_1 01 11 2004 ...
Страница 86: ...Calibration 86 GA10 218_1 01 11 2004 ...
Страница 98: ...Maintenance 98 GA10 218_1 01 11 2004 ...
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