<10. HYDROGEN PURITY / CALIBRATION PROCEDURE>
10-2
IM 11T03E01-51E
10.3 Calibration
In the manual calibration mode, visually check that the reading has settled, and then confirm the
reading manually (by pressing the [ENT] key).
[NO]
[NO]
0.0899
H2
MAN.CAL
[YES]
*
1
ALM.10
ZERO
[YES]
Measurement mode
*
2
*
3
[NO]
1.9771
CO2
[YES]
*
5
SPAN
*
4
X.XXXX
CAL.SET
X.XXXX
CAL.SET
[ENT]
[ENT]
[ENT]
[ENT]
*
4
*
3
[NO]
*1: See "Figure 7.2 Modes of Operational Level" on page 7-7.
*2: If a calibration data error occurs, the display shows ALM.10 .
Pressing the [YES] or [NO] key returns this status to the [MAN.CAL].
*3: The displayed value is fixed. It cannot be set.
*4: When the reading settles, press the [ENT] key to confirm your calibration.
This parameter does not accept input with the [ ] and [ ] keys.
The display always shows the corrected density.
*5: Pressing the [NO] key for both the [ZERO] and [SPAN] indications returns
this status to the [MAN.CAL].
Zero-point density (H
2
gas) is displayed.
Close the zero gas valve.
Close the sample gas valve.
Span-point density (CO
2
gas) is displayed.
Close the span gas valve.
Open the sample gas valve.
Open the zero gas valve.
Press [ENT] key after the value is stabilized.
Open the span gas valve.
Press [ENT] key after the value is stabilized.
S_GAS
F1003.ai
DISP
*
5
Figure 10.2
Manual Calibration Mode
Summary of Contents for GD402G /M1
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