Vaisala HMT360 - Manual (Page 53)

Chapter 4 ________________________________________________________________ Operation
VAISALA_______________________________________________________________________ 51
To start issuing commands, make sure that HMT360 is connected to a
serial port of your computer and that the terminal session is open. Issue
commands by typing them on your computer according to the following
instructions. In these commands, <cr> stands for pressing Enter (on your
computer keyboard).
Setting the Analog Outputs
ASEL Selecting Analog Outputs
Syntax: ASEL [xxxyyy]<cr>
Turn the internal DIP switch Calibration Enabled/Disabled to position
ON before the selecting the analog outputs and return it to position OFF
after making the selection. Output quantities and their abbreviations are
listed in the table below:
where
xxx =
Quantity of Ch 1
yyy = Quantity of Ch 2
Character Quantity Abbreviation Availability Metric Unit Nonmetric Unit
0 relative humidity RH A, D %RH %RH
1 temperature T A, D, F, H °C °F
2 dewpoint
temperature Td D °C °F
3 absolute humidity a D
g/m 3 gr/ft 3
4 mixing ratio x D g/kg gr/lb
5 wet bulb
temperature Tw D °C °F
6 mass
concentration of
water ppmw H ppm
w
ppm
w
7 water activity aw H, F 0 ... 1 0 ... 1
8 relative humidity
of saturation RS H %RS %RS
9 saturation
temperature Ts H °C °F