Vaisala PTU200 Series Guide de l'utilisateur télécharger pdf (Page 39)

CHAPTER 6_______________________________________________ CALIBRATION AND ADJUSTMENT

VAISALA _________________________________________________________________________ 35

MPC Multipoint pressure corrections

MPC x <cr>

where:

x = ON or OFF

The MPC command is used to activate or deactivate the multipoint

corrections. Plain command MPC outputs the corrections in use.

The multipoint corrections are protected with switch SW4 (see FIGURE

6-1). Turn the switch SW4 to write ENABLE position (ON) to be able

to turn the multipoint corrections on or off.

NOTE

Changing the multipoint corrections on or off will automatically

cancel the previous date of calibration of the transmitter (see CALD

command).

Example of multipoint adjustments performed on a transmitter with

one pressure transducer:

>mpc off <cr>

Multipoint adj: OFF

>mpc on <cr>

Multipoint adjustments ON

>mpc<cr>

Reading Correction Reading Correction

499.660 -0.110*******.**********.***

599.110 -0.080*******.**********.***

698.580 -0.060*******.**********.***

800.950 -0.030*******.**********.***

900.400 0.010*******.**********.***

947.200 0.020*******.**********.***

999.840 0.050*******.**********.***

1099.090 0.070*******.**********.***

Multipoint adj: ON

NOTE

Always remember to return the switch SW4 to write DISABLE

position (OFF).

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Vaisala PTU200 Series Guide de l'utilisateur Page 39