Chapter 6 ___________________________________________________Calibration and Adjustment
VAISALA ______________________________________________________________________ 139
8. Press
OK
to return to the adjustment menu
9. Press
EXIT
to return to the basic display.
Adjusting Temperature Using Serial Line
CT
Use the serial line command
CT
to adjust the temperature.
1. Press
the
ADJ
button on the motherboard to open the adjustment
mode.
2.
Remove the probe filter and insert the probe into the reference
temperature.
3. Type
CT
and press Enter. Type
C
and press Enter to check if the
reading is stabilized.
4.
Let the reading stabilize, enter the reference temperature after the
question mark and press Enter three times.
When having another reference temperature (two-point adjustment)
press Enter twice and insert the probe to the second reference.
When the reading is stabilized, enter the second reference
temperature after the question mark and press Enter. Please, note
that the difference between the two temperature references must be
at least 30 ºC.
Example (1-point adjustment):
>ct
T : 16.06 Ref1 ? c
T : 16.06 Ref1 ? c
T : 16.06 Ref1 ? c
T : 16.06 Ref1 ? c
T : 16.06 Ref1 ? c
T : 16.06 Ref1 ? 16.0
Press any key when ready ...
T : 16.06 Ref2 ?
OK
>
OK indicates that the calibration has succeeded.
5. Press
the
ADJ
button on the motherboard to close the adjustment
mode.
6.
Take the probe out of the reference conditions and replace the
filter.