Chapter 7 ___________________________________________________Calibration and Adjustment
VAISALA____________________________________________________________________ 69
8.
When stabilized, type the high-end reference value after the
question mark and press
Enter
.
>crh
RH : 11.25 Ref1 ? c
RH : 11.24 Ref1 ? c
RH : 11.24 Ref1 ? 11.3
Press any key when ready ...
RH : 75.45 Ref2 ? c
RH : 75.57 Ref2 ? c
RH : 75.55 Ref2 ? c
RH : 75.59 Ref2 ? 75.5
OK
>
OK indicates that the calibration has succeeded.
9.
Take the probe out of the reference conditions and replace the
filter. When using the stainless steel filter, take care to tighten
the filter properly, recommended force is 130 Ncm.
10. If needed, record the calibration information (text and date) to
the memory of the transmitter, see CTEXT Set Calibration
Information Text on page 65 and CDATE Set Calibration Date
on page 66.
11. Reset the transmitter by issuing the RESET command. The
transmitter returns to normal mode.
Temperature Calibration and Adjustment (in
One Point)
1.
Remove the transmitter unit from the mounting plate (see
Mounting the Transmitter/
Removing the Transmitter Unit on page 17) and press the
adjustment button once (see Figure 17 on page 67).
2.
Remove the probe filter (see instructions on page 60) and insert
the probe into the reference temperature.
3.
Let the sensor stabilize.
4.
Issue command CT and press
Enter
.
5.
Type C and press
Enter
a few times to check if the reading is
stabilized.
