LACO ORIGINAL OPERATING INSTRUCTIONS TITANTEST™
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© 2018 LACO TECHNOLOGIES, INC. - [TitanTest itna01en1-07 BA.fm] - 1807
6.4.6 Define pressure limits for sniff mode
The pressure limits are only defined for sniff mode (operating mode: "Sniff").
The monitoring unit of the sniffer probe uses the pressure limits.
If you call up the menu during the measurement, the current pressure is also
displayed.
To view or change presets, select " Setup > Test settings > Pressure limits
for sniff mode".
6.4.7 Set the setpoint and alarm
Define a setpoint and determine how the device is to react to certain mea-
suring values.
In addition, you can set an alarm delay time under "Trigger Alarm" and
"Setpoint".
In some applications (e.g. during the evacuation of a "test chamber sys-
tem"), it may be expedient to suppress an alarm for a certain amount of
time.
After pressing START, the acoustic signal can be activated as soon as the
leakage rate falls below the warning limit or an alarm delay time elapses
or the alarm type "Prop. Leakage Rate"/"Pinpoint" or "Sniff" operating
mode is set.
Table 25: Settings for pressure limits for sniff mode
Option Value range
(Min. Max.)
Comment
Min.
pressure
0.1 5 … 0.60 mbar The warning "Pressure too low" appears if the pressure falls below this value
during measurement mode.
Max.
pressure
0.25 - 0.65 mbar The warning "Pressure too high" appears if the pressure exceeds this value
during measurement mode.
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