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(2) Adjusting moisture interference (Manual adjustment)
Follow the procedure shown below to manually adjust the interference.
1) Directly feed dry N
(Adjust the gas flow rate so that the flow checker ball comes to the center.)
2) Select <Dry N
Caution on operation
• Directly feed dry zero gas and dry span gas to perform reference zero/span calibration.
• Select a gas for zero calibration mode in Dry N
3) Perform zero calibration.
4) Perform span calibration of NO
Then, to feed moisture interference gas (H
5) Perform bubbling to humidify N
through the 2°C dehumidifier (electron cooler).
6) Enter <Maintenance Mode> → <6. Interference> mode.
7) Move the cursor to <CH1 NO
key, and press the
The cursor moves to the correction value.
8) When the reading stabilizes in about 3 minutes,
adjust the value to "0" using the
and the
(DOWN) key.
9) Press the
value.
Moisture interference adjustment has now been completed.
INZ-TN2ZSVS-E
or dry Air gas to the sample gas inlet at the rate of 0.5L/min.
2
> in <Zero Cal.> mode, and select <ON> for NO
2
and SO
X
gas. Feed the bubbled N
2
> using the
X
key.
key to memorize the correction
setting.
2
analyzers.
2
O, saturated at 2°C)
2
gas from the calibration gas inlet
2
(UP) key
- 65 -
and SO
only.
X
2
Interference
reading
Correction
value
<ON>
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