Vaisala DRYCAP DMT345 Podręcznik Użytkownika Pobierz pdf (Strona 139)

Chapter 6 ___________________________________________________Calibration and Adjustment

VAISALA ______________________________________________________________________ 139

8. Press OK to return to the adjustment menu

9. Press EXIT to return to the basic display.

Adjusting Temperature Using Serial Line

Use the serial line command CT to adjust the temperature.

1. Press the ADJ button on the motherboard to open the adjustment

mode.

2. Remove the probe filter and insert the probe into the reference

temperature.

3. Type CT and press Enter. Type C and press Enter to check if the

reading is stabilized.

4. Let the reading stabilize, enter the reference temperature after the

question mark and press Enter three times.

When having another reference temperature (two-point adjustment)

press Enter twice and insert the probe to the second reference.

When the reading is stabilized, enter the second reference

temperature after the question mark and press Enter. Please, note

that the difference between the two temperature references must be

at least 30 ºC.

Example (1-point adjustment):

>ct

T : 16.06 Ref1 ? c

T : 16.06 Ref1 ? 16.0

Press any key when ready ...

T : 16.06 Ref2 ?

OK indicates that the calibration has succeeded.

5. Press the ADJ button on the motherboard to close the adjustment

mode.

6. Take the probe out of the reference conditions and replace the

filter.

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Vaisala DRYCAP DMT345 Podręcznik Użytkownika Strona 139