Vaisala DMP248 Wartungshandbuch PDF herunterladen (Seite 66)

OPERATING MANUAL_______________________________________________________________

60 _____________________________________________________________________ U263EN-1.4

• Check the transmitter against the reference.

• Give command CT <cr>, enter the first point value and press <cr>:

>CT <cr>

T : xx.x Ref1 ? yy.y <cr>

Press any key when ready

• If you want to see how the sensor stabilizes to the reference

temperature, enter c <cr> instead of the first reference:

T : 0.90 Ref1 ? c <cr>

T : 0.55 Ref1 ? c <cr>

T : 0.55 Ref1 ? 0.0 <cr>

Press any key when ready...

• After giving the correct temperature value (Ref1) and pressing

<cr> press any key and then <cr>.

Using display/keypad commands

• Leave the reference instrument and the transmitter for at least 4

hours in the same space so that their temperatures have time to

equalize. Remove the filter cap prior to calibration.

Disconnect the security lock jumper

before turning the transmitter on!

• Check the transmitter against the reference.

• Select &DOL in the main menu and then 7; select one-point

calibration 7SRLQWFDO.

• Change the reading with the arrow keys to correspond to the

reference and press ENT.

Using LED commands

• Leave the reference instrument and the transmitter for at least 4

hours in the same space so that their temperatures have time to

equalize. Remove the filter cap prior to calibration.

Disconnect the security lock jumper

before turning the transmitter on!

• Check the transmitter against the reference.

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Vaisala DMP248 Wartungshandbuch Seite 66