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such it can also be used for the calibration instead. Please contact Messkonzept for details on possible
substitute gases for your application.
7.1.3 Set Offset Gas Concentration
Offset Gas
set: 0.00000
new: 0.00000
[%] ESC/OK
Calibrate
Offset Gas
Gain Gas
H2 2.58 %
Calibration
Alarm Setup
H2 2.58 %
Output Conc.
Figure 7.2: offset gas setup menu
Before performing a calibration, the concentrations of the used test gases have to be set. In the sub-
menu “Offset Gas“ the used concentration of the offset gas has to be entered. Select the submenu
“Offset Gas“ by pressing the <RIGHT> key and press <ENTER> to open the menu for the numerical
entry. Enter the offset calibration gas concentration by changing each digit to the desired value. The
position of the cursor in the number is moved by the <RIGHT> key, the value of the digit (0-9 or . for
the decimal separator) at the current position of the curser is changed with the <UP> key. When the
correct value is set, move the cursor to “OK“ and confirm with <ENTER>.
7.1.4 Set Gain Gas Concentration
Gain Gas
set: 100.0000
new: 100.0000
[%] ESC /OK
Calibrate
Offset Gas
Gain Gas
H2 2.58 %
Calibration
Alarm Setup
H2 2.58 %
Output Conc.
Figure 7.3: gain gas setup menu
Prior to a two-point calibration, the gain gas concentration has to be set in the submenu “Gain Gas“.
This menu is operated analogously to the “Offset Gas“ menu described in Section 7.1.3.
7.1.5 Offset Calibration
Offset Cal.
Apply Gas
0.00
[%] ESC/OK
Sampling 10s
for Offset
Calibration
Please Wait
Save Calib.
Targ. 0.00
Actu. 0.00
[%] ESC/OK
Gain
Calibration?
------------
YES/NO
Apply
Process Gas
Actu. 0.00
ESC/OK
Calibrate
Offset Gas
Gain Gas
H2 2.58 %
Calibration
Alarm Setup
H2 2.58 %
Output Conc.
Figure 7.4: menu path if only offset is calibrated.
File name:
FTC320Ex Operating Manual_1.09KD201009MPO3V04.pdf
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