Temperature field check and adjustment by using a, Calibrated reference probe – Vaisala HMT120 User Manual
Page 60

User's Guide _______________________________________________________________________
58 ___________________________________________________________________ M211244EN-B
Temperature Field Check and Adjustment by Using a
Calibrated Reference Probe
Follow steps 1 to 7 on page 54 and continue as follows:
8.
Check that the probes are located in equal conditions and wait
until the readings are stabilized (can take 30 minutes or more). If
you are close to the probes, do not breathe in their direction.
9.
Press
ADJUST
to continue adjusting.
10. Press
To same as T
II/I
, press
SELECT
. (MI70 always recognizes the
port to which the HMP70 series probe is connected).
11. Confirm by pressing
YES
.
NOTE
If the temperature difference between the reference probe and HMT120
is too large, the adjustment cannot be done (HM70 will notify you of
this). The available reserve for T adjustment of HMT120 depends on
the initial temperature calibration of the unit.
12. Adjustment is done. Press
BACK
and
EXIT
to return to the basic
display.
13. Switch off the MI70 and detach the calibration cable from MI70
and from the transmitter.