Michell Instruments QMA401, Руководство пользователя

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QMA401 User’s Manual
22 97450 Issue 2, March 2018
OPERATION
3.6.4 Field Calibration Screen
Figure 17 Field Calibration Screen
Parameter Description
Calibrate
Starts a calibration procedure if a manual calibration has been selected.
Analog O/P
Hold
Toggles data hold mode. This determines whether the last valid
measurement is held while a calibration is carried out.
Available Options: On, Off
If data hold is selected, the user can select how many cycles, after the
calibration, the last measured value is held for.
Cal Source
Toggles between an external calibration source or the internal
calibration source. If an external calibration source is selected the
external reference moisture must be entered in the ext ref setting.
Available Options: External, Internal
External Cal Source -
when this is chosen
Ext Ref
will need to be
entered to show the ppm
V
value of the external moisture reference.
Internal Cal Source -
when this is chosen then the Cal Method can be
set to Manual or Automatic.
Table 3 Calibration Screen Parameters