Teledyne 7600 - Infrared gas analyzer - operating manual - Manual (Page 48)

Operation Model 7600
Teledyne Analytical Instruments 48
Note: Enter settings that correspond to each range. If a zirconia
type O
2
sensor is used, select 21.00 for the field of Zero
(when air is used), and select the concentration listed on
the cylinder if the air contained in a cylinder is used.
To close the calibration concentration value setting process or
cancel this mode midway, press the ESC key. The previous screen will
return.
Setting range of values:
For NO
x
, SO
2
, CO
2
, CO, CH
\4
, external O
2
measurement and built-
in paramagnetic O
2
sensors, the setting range for span gas is 1 to 105%
of full scale. The instrument will not accept values outside of this range.
For external Zirconia O
2
sensors, the setting range for zero gas is 5
to 25 vol % and span from 0/01 to 5 vol %
3.5.2.2 S ETTING OF M ANUAL Z ERO C ALIBRATION
When zero calibration is performed manually, you can choose
whether all components are to be calibrated simultaneously or each
component calibrated while selecting one by one.
This is configured from the About Zero submenu of the Calibration
Parameters menu. To get to the About Zero submenu:
1. From the measurement mode, press the MODE key to
display the user mode.
2. Point the cursor to “Calibration Parameters” by pressing
the UP or DOWN key and press the ENT key.
3. In the “Calibration Parameters” screen that appears, point
the cursor to “About ZERO Calibration” by pressing the
UP or DOWN key. Press the ENT key.