Servomex SERVOTOUGH Oxy, Руководство оператора

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72
© Servomex Group Limited. 2020 01910001B_8
Figure
74 -
The Calibrate screen
Note that the "9999d" field of the screen shown in Figure 74 will iden�fy the period of �me that has
elapsed since the last calibra�on, and can be in any of the following forms:
• 9999d specifying days • 9999h specifying hours
•
9999
m specifying minutes • Any combina�on of these.
3. Use the and
so� keys to select the required calibra�on, t
hat is:
• ‘Lo’ (low calibra�on gas).
• ‘Hi’ (high calibra�on gas).
4.
Press the
so� key. The Calibrate target value screen will then be shown,
iden�fying the target value and the current reading.
Figure
75 -
The Calibrate target value screen
5.
If the target value is not correct for the calibra�on gas which you are using, change the
target value to the required value.
Note:
Refer to Sections 2.4 and 2.6 for the required, flow rates and concentrations of the
calibration gases.
6.
When the current reading is stable,
press the
so� key. The analyser will then carry
out the specified calibra�on.
7.
Repeat steps 3 to 6 of this sec�on for the second calibra�on.
6.2
Automatic validation/calibration
6.2.1
Initiating an automatic validation/calibration
Note:
You must have set up the parameters/options as described in Section 5.15.2
before
you initiate an automatic validation/calibration.