Mpc multipoint pressure corrections – Vaisala PTU200 User Manual
Page 39

C
HAPTER
6_______________________________________________
CALIBRATION AND
ADJUSTMENT
V
AISALA
_________________________________________________________________________ 35
MPC Multipoint pressure corrections
MPC x
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
F
IGURE
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
Multipoint adj:
OFF
>mpc on
Multipoint adjustments
ON
>mpc
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).