Temperature calibration and adjustment, In one point) – Vaisala MMT310 User Manual
Page 59
Chapter 6 ____________________________________________________ Calibration and adjustment
VAISALA ________________________________________________________________________ 59
Temperature Calibration and Adjustment
(in One Point)
1.
Remove the transmitter unit from the mounting plate (see page 18)
and press the adjustment button once (see Figure 15 on page 56).
2.
Remove the probe filter (see instructions on page 51) and insert the
probe into the reference temperature.
3.
Let the sensor stabilize.
4.
Enter the command CT and press Enter.
5.
Type C and press Enter a few times to check if the reading is
stabilized.
6.
When the reading is stabilized, type the reference temperature after
the question mark and press Enter three times.
>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.
7.
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 130 Ncm).
8.
If needed, record the calibration information (text and date) to the
memory of the transmitter, see Set Calibration Information Text on
page 61 and Set Calibration Date on page 61.
9.
Reset the transmitter by issuing the RESET command. The
transmitter returns to normal mode.