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NDIR Gas Analyzer
1. T
URN ON THE POWER
The instrument will initiate a power-on self-diagnostic test.
It will briefly display the initial start-up messages. If the
self-test is successful, the first message will indicate that a
battery backup memory fetch was successful and any
previously saved configuration settings will be retrieved
and set as the current configuration. If this configuration is
the desired setup for your analysis session, go to Section
4.3 MODE Menu. If this is the first session or you need to
edit any or all of the configuration settings, continue on
with step 2. The next start-up screen which automatically
appears on the display identifies the model and serial
number of the instrument. This screen will be followed by a
third screen which identifies the US patent number of the
instrument and software version installed. Finally the
analysis screen will appear with a display as shown in
Figure 4-3 and the example screen on the left. The analysis
screen indicates:
•
The gas of interest (CO
•
An initial reading (ignore this for the present time)
R:1 — analog range (range 1 for this example)
•
LINEAR—indicating that the indicated gas
•
concentration has been linearized before being
displayed.
f:100 — indicating the amount of filtering being
•
applied to the measurement. See Section 2.3.3.
2. E
NTER THE SPAN GAS CONCENTRATION
Press and hold the SETUP button to enter the CALGAS
submenu.
The CALGAS submenu allows you to specify the
concentration of your span gas. Note that you cannot
change the span gas, only the concentration of the gas.
NOTE:
You must continue to hold in the SETUP button while you edit or enter
information into the display. Releasing the SETUP button will take you
back to the ANALYSIS screen. Pressing the SETUP button again will
cycle you to the next submenu item in the SETUP menu. In order to
get back to the menu you were working in, cycle through all 5 or 6
(depending on the model) submenus.
Teledyne Analytical Instruments., - Rev. 3
Operation 4
in the example screen)
2
33
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