Vaisala HMT360Series - Selecting Analog Output Quantities via Serial

Serial interface _____________________________________________________________________
Vaisala _________________________________________________________________________ 39
To start giving commands, make sure that the HMT360 is connected
to a serial port of your computer and that the terminal session is open.
Give commands by typing them on your computer according to the
following instructions. In these commands, ↵ stands for pressing
ENTER.
NOTE
Each time the HMT360 transmitter sends something to the terminal,
it also sends line feed and carriage return.
Selecting the analog outputs
Turn the internal dip switch CALIBRATION ENABLED/DISABLED to
ON-position before the selecting the analog outputs and return it to
OFF- position after selecting .
ASEL xxx yyy ↵
where: xxx = quantity of channel 1 and yyy = quantity of channel 2
output quantity abbreviation
relative humidity RH
temperature T
dewpoint temperature Td
absolute humidity a
mixing ratio x
wet bulb temperature
1
Tw
mass proportion
1
ppm
water activity
1
aw
relative humidity of saturation
1
RS
saturation temperature
1
Ts
water content
2
w
1
Available only for HMT368H for moisture measurements in liquid.
2
Available only for HMT360N for natural gas
Example:
>asel rh t ↵
Ch1 RH lo : 0.00 %RH
Ch1 RH hi : 100.00 %RH
Ch2 T lo : -40.00 'C
Ch2 T hi : 60.00 'C
>