Vaisala HUMICAP HMT310 - FST Output State of Chemical Purge or Sensor Heating (with SEND and R Commands); Table 7 Output Quantities and Their Metric and Nonmetric Units

USER'S GUIDE____________________________________________________________________
46 __________________________________________________________________ M210619EN-D
Table 7 Output Quantities and their Metric and Nonmetric
Units
Quantity Metric Unit Nonmetric Unit
RH Relative Humidity %RH %RH
T Temperature
C F
TDF Dewpoint/frostpoint
C F
TD Dewpoint
C F
A Absolute humidity g/m
3
gr/ft
3
X Mixing ratio g/kg gr/lb
TW Wet bulb temperature
C F
PPM Humid air volume/dry air volume Ppm ppm
PW Water vapor pressure hPa lb/in
2
PWS Saturation water vapor pressure hPa lb/in
2
H Enthalpy kJ/kg Btu/lb
Example:
>unit m<cr>
Output units : metric
>unit n<cr>
Output units : non metric
>
FST Output State of Chemical Purge or
Sensor Heating (with SEND and R
Commands)
Syntax: FST x<cr>
Where
x = ON/OFF (default = OFF)
Example:
>fst on<cr>
Form. status : ON
>send
1
N 0 RH= 40.1 %RH T= 24.0 'C Td= 9.7 'C Tdf= 9.7 'C a=
8.7 g/m3 x= 7.5
g/kg Tw= 15.6 'C ppm= 11980 pw= 12.00 hPa pws= 29.91 hPa
h= 43.2 kJ/kg
>purge<cr>
Purge started, press any key to abort.
>send<cr>
1
S 134 RH= 40.2 %RH T= 24.1 'C Td= 9.8 'C Tdf= 9.8 'C a=
8.8 g/m3 x= 7.5