Temperature Field Check And Adjustment By Using A Calibrated Reference Probe - Vaisala HUMICAP HMT100 User Manual

Humidity and temperature transmitter series
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Chapter 4 ______________________________________________________________ Maintenance
NOTE
VAISALA _______________________________________________________________________ 33
LiCl-NaCl autom.
10.
Choose
SELECT
press
references.
READY
11.
Press
chamber (may take 30 minutes or more). You can follow the
stabilization from the
12.
Remove the probe from the LiCl salt chamber and insert the
probe head into the NaCl salt chamber.
READY
13.
Press
chamber (may take 30 minutes or more). You can follow the
stabilization from the
14.
Confirm the adjustment by pressing
return to adjustment mode display and no changes are made).
15.
The adjustment is done. Press
basic display.
16.
Turn off the MI70 and detach the connection cable.
Temperature Field Check and Adjustment by Using a
Calibrated Reference Probe
Follow steps 1 to 7 on page 30 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.
ADJUST
9.
Press
To same as T
10.
Press
port to which the HMP70 series probe is connected).
11.
Confirm by pressing
If the temperature difference between the reference probe and HMT100
is too large, the adjustment cannot be done (HM70 will notify you of
this). The available reserve for T adjustment of HMT100 depends on
the initial temperature calibration of the unit.
12.
Adjustment is done. Press
display.
13.
Switch off the MI70 and detach the calibration cable from MI70
and from the transmitter.
from the MI70 adjustment menu and
OK
. Press
to accept the note telling about
when the reading has stabilized in the LiCl salt
GRAPH
display.
when the reading has stabilized in the NaCl salt
GRAPH
display.
BACK
to continue adjusting.
SELECT
, press
II/I
YES
.
BACK
and
YES
(by pressing
EXIT
and
to return to the
. (MI70 always recognizes the
EXIT
to return to the basic
NO
you

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