Vaisala PTU300 Guia do Utilizador descarregar pdf (Página 138)

User's Guide ______________________________________________________________________

136 _________________________________________________________________ M210796EN-A

or for additional T probe:

CTA

4. Type C and press ENTER a few times to check if the reading is

stabilized. Let the reading stabilize, give the reference

temperature after the question mark and press ENTER three

times.

When having another reference temperature (2-point calibration) press

ENTER only twice and insert the probe to the second reference.

When the reading is stabilized, give 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 ?

5. OK indicates that the calibration has succeeded.Give the

calibration information (date and text) to the transmitter's

memory, see the serial commands CTEXT and CDATE.

6. Press the ADJ button on the motherboard to close the

adjustment mode.

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

filter.

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Vaisala PTU300 Guia do Utilizador Página 138