Vaisala DRYCAP DMT346 Guia do Utilizador descarregar pdf (Página 119)

Chapter 5 ___________________________________________________ Calibration and Adjustment

VAISALA_______________________________________________________________________ 117

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 head 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 DMT346 Guia do Utilizador Página 119