One-point adjustment using a calibrator – Vaisala HMT100 User Manual
Page 31

Chapter 4 ______________________________________________________________ Maintenance
VAISALA _______________________________________________________________________ 31
One-Point Adjustment Using a Calibrator
When adjusting the transmitter in only one reference condition, please
take care that the reference condition represents the measuring
environment. MI70 indicator is used now only as a terminal for
visualizing and setting the transmitter's RH reading.
Follow steps 1 to 7 on page 30 and continue as follows:
8.
Remove the filter from the transmitter's probe and insert the
probe head into the reference condition.
9.
Press
ADJUST
to continue adjusting.
10. Choose
1-point adjustment
from the MI70 adjustment menu and
press
SELECT
.
0505-185
Figure 15
Example of the MI70 Adjustment Menu
11. Press
READY
when the reading has stabilized in the reference
condition (may take 30 minutes or more). You can follow the
stabilization from the
GRAPH
display.
0505-186
Figure 16
Example of the MI70 Adjustment Mode Graph
Display
12. Enter the correct reference value with the arrow buttons. Press
OK
.
13. Confirm the adjustment by pressing
YES
.
14. The adjustment is done. Press
BACK
and
EXIT
to return to the
basic display.
15. Turn off the MI70 and detach the connection cable.