Timers; Gas Check (Aka Field Calibration) - LANDTEC GEM5000 Operating Manual

5K-MNL-GEM5000
7 . 4 . 1 T i m e r s
1) Select 'Key 1 – Timers' and the following screen is displayed:
1) Select 'Key 1' to edit the purge time. Enter the 'Pump Running Time' in seconds; this
is the length of time you wish to run the pump to draw the sample, e.g. key in 030
then press the 'Enter' key to accept. Entering a time of 000 minutes will disable the
auto-off purge.
1) Select 'Key 2' to edit the auto power off time. Enter the 'Auto power off' in minutes;
the instrument will automatically power off to preserve the battery life after the
specified time if no activity has occurred on the instrument. Press the 'Enter' key to
accept.
Select the soft-key 'Exit' key to exit the screen and return to the 'Operation settings' menu.
Note:
7.4.2

Gas Check (aka Field Calibration)

display the 'Device Settings' menu. Press the soft key to display 'Operation Settings'.
2) Select 'Key 2 – Gas Check' and the following menu is displayed:
Page 72
The timers function enables the operator to set standard purge times and
set auto-power off if the unit is untouched for the period of time specified.
Setting the purge time and auto power off functions to 000, disables the
option. It is not recommended to reduce the purge time to below 30
seconds.
This option displays the 'Gas Check' menu and enables the operator to
calibrate the instrument's gas channels to a zero and span value.
Historical/previous gas check data can also be viewed and factory settings
can be restored.
1) Select the 'Menu' button on the front of the analyzer to
Copyright LANDTEC North America, Inc.
GEM5000 Gas Analyzer
—
Figure 20

Timers

V1.13