GEM5000 gas analyzer 5K-MNL-GEM5000
3) Select ‘Key 2’ to select the gas for which you wish to set an alarm trigger followed by
‘Key 1’ to change the trigger condition of an alarm.
4) To manually adjust the alarm set press (<) ‘Key 4 – Scroll left’ or (>) ‘Key 6 –
Scroll right’ and enter the trigger value.
5) To disable all alarm settings select the soft-key ‘Disable All’.
6) Select the ‘Enter’ key’ to store the setting or select soft-key ‘Exit’ to exit the screen
without saving the change.
7) A summary of the alarm settings can be displayed using ‘Key 3 – Summary’. Select
soft-key ‘Exit’ to exit alarms summary and the operator returns to the ‘Operation
Settings’ menu.
Once an alarm is set, the main reading screen will show an Orange line when the alarm
condition has triggered. For example, Figure 24 shows an alarm of 4% being set. With this
alarm set the analyzer will display an orange highlight indicating an alarm once the O2 > 4%
condition is met.
Figure 25—Orange Highlight Indicates Alarm Condition
7.4.5 Adjust flow fail
This option enables the operator to adjust the flow fail tolerance of the
instrument, i.e. the operator can adjust the sensitivity for when the
pump will stop operating on the presence of a blockage or low flow.
1) Select the ‘Menu’ button on the front of the analyzer to display the ‘Device Settings’
menu. Press the soft-key to display ‘Operation Settings’.
2) Select ‘Key 5 – Adjust Flow Fail’ and the following screen is displayed:
LANDTEC Page 75
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