Chapter 4 ________________________________________________________________ Operation
VAISALA ______________________________________________________________________ 105
Example:
>
form "Td=" 4.2 rh U5 #t "T=" t U3 #r #n
Td= 3.30ºC T= 22.18'C
>
send
Td= 3.30ºC
T= 22.18'C
>
form "Tfrost=" tdf U3 #t "Temp=" t U3 #r#n
Tfrost= -21.6'C
Temp= 22.2'C
>
Command ‘
FORM /
’ will return the default output format. The default
output format depends on the device configuration.
>
form /
Tdf=-21.6 'C H2O= 874 ppmV T= 22.2 'C RH= 3.3 %RH
>
UNIT
Use the
UNIT
command to select metric or non-metric output units, and
change the unit for the H2O quantity:
UNIT
[
x
]<cr>
where
x
=
Unit system to be used. Options are:
M (metric units)
N (non-metric units)
UNIT
H2O [y]<cr>
where
y
=
Unit to be used for H20. Options are:
PPMV (parts per million by volume)
PPMW (parts per million by weight)
NOTE
This command changes both the serial output and display units. When
you want to output both metric and non-metric units simultaneously on
the display, select the display units later by using the display/keypad.