Vaisala MMT310 - Manual (Page 65)

Chapter 6 ____________________________________________________ Calibration and adjustment
VAISALA ________________________________________________________________________ 65
Adjusting T with MI70
Selecting T in the main adjustment menu brings up the current T
measurement. Select ADJUST to choose the adjustment type. The
following T adjustment options are available:
- 1-point adjustment
- 2-point adjustment
NOTE Temperature adjustment in one or two points can be done if there is
reason to believe that the adjustment is changed. If the adjustment is
done only in one point, the reference condition is used to represent the
measuring environment.
1-point T adjustment
Select 1-point adjustment in the T adjustment menu and follow the steps
below:
1. Set the probe to a reference temperature. You can follow the
stabilization from the GRAPH display. Press READY when the
reading is stabilized.
2. Give the reference temperature by using the arrow buttons and
press OK .
3. To confirm the adjustment, press YES. To cancel entering the
adjustment, press NO to return to the adjustment mode display
without making any changes.
Once confirmed, the adjustment has been carried out. Press BACK to
exit the T adjustment mode and return to the main adjustment options.
Press EXIT to quit the adjustment mode and return to the basic MI70
view.
2-point T adjustment
Select 2-point adjustment in the T adjustment menu and follow the steps
below:
1. Set the probe to a lower reference temperature. You can follow the
stabilization from the GRAPH display. Press READY when the
reading is stabilized.
2. Give the lower reference temperature by using the arrow buttons
and press OK .
3. Set the probe to a higher reference temperature. You can follow the
stabilization from the GRAPH display. Press READY when the
reading is stabilized.