Vaisala HUMICAP HMP41 Guide de l'utilisateur télécharger pdf (Page 40)

User's Guide ______________________________________________________________________

38 __________________________________________________________________ M211280EN-A

Restore Probe T Factory Calibration

Use the CTCLR to restore the probe T factory calibration.

CTCLR<cr>

Example:

>ctclr

Calibrate Analog Output

Use the ACAL command to calibrate the analog voltage outputs.

ACAL<cr>

After you give this command, the CH1 analog output of the transmitter

is set to the low limit (0V). Measure the output and enter the measured

value. After entering the low limit, you must measure and enter the high

limit also (for example 10V, depends on the output mode of the

channel). The same procedure is then repeated with CH2.

Calculated coefficients are printed after the measured values are given.

Example:

>acal

Ch1 V1 (V) ? 0.11

Ch1 V2 (V) ? 10.21

1.92308600E+02 a0

2.58811860E+03 a1

Ch2 V1 (V) ? 0.11

Ch2 V2 (V) ? 10.20

1.92024420E+02 a0

2.59068400E+03 a1

NOTE

Question mark is displayed after certain stabilization time has expired.

Values should be entered only after question mark is displayed. Values

entered before question mark will be discarded.

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Vaisala HUMICAP HMP41 Guide de l'utilisateur Page 40