Chapter 12 ______________________________ Calibration and Adjustment of HM70 Series Probes
VAISALA _______________________________________________________________________ 65
2-Point Adjustment
Follow the steps from 1 to 4 and continue as follows:
5.
Select
2-point adjustment
. Press
SELECT
to continue.
6.
Set the probe to a lower reference temperature. You can follow
the stabilization from the
GRAPH
display.
7.
Press
READY
when the reading is stabilized. Give the lower
reference temperature by using the arrow buttons. Press
OK.
8.
Set the probe to the higher reference temperature. You can
follow the stabilization from the
GRAPH
display. Press
READY
when the reading is stabilized.
9.
Give the higher reference temperature by using the arrow
buttons. Press
OK.
10.
Confirm the adjustment, press
YES
. (By pressing
NO
you
return to adjustment mode display and no changes are made). If
the difference between two references is less than 30 ºC,
adjustment can not be done.
11.
Calibration is carried out. Press
BACK
to exit the adjustment
mode and
EXIT
to return to the basic display.
Last Adjustment Date
To see the last adjustment date, select
Last adjustment date.
You can
check this date also from the
Device information
