Vaisala HM70 - Manual (Page 20)

User's Guide ______________________________________________________________________
18 __________________________________________________________________ M210297EN-E
Basic Display
Figure 5 MI70 basic display
1. Selected quantities. Up to three of the quantities can be selected at
a time.
- RH relative humidity (% RH)
- T temperature (ºC/ ºF)
- T
d/f
: dewpoint/frostpoint
1
temperature (ºC/ ºF)
- T
d
: dewpoint temperature
2)
(ºC/ ºF)
- a : absolute humidity (g/m
3
/ gr/ft
3
)
- x : mixing ratio (g/kg / gr/lb)
- T
w
: wetbulb temperature (ºC/ ºF)
- H
2
O: humid air volume/ dry air volume (ppm)
- pw: water vapour pressure (hPa/ lb/in
2
)
- pws: saturation water vapour pressure(hPa/ lb/in
2
)
- h : enthalpy (kJ/kg / Btu/lb)
- a
w
: water activity
2. Shortcut button Graphic 1 changes display into curve mode
3. Shortcut button Hold/Sa 1 freezes display and you may save the
reading into the memory.
4. Shortcut button Record 1 takes you to the Recording/Viewing menu.
5. State of battery.
6. Pressure setting.
1 Graphic, Hold/Sa and Record -functions above the shortcut buttons are set
in the factory. You can change them to refer other functions (see page
25).
1
2 3 4
5 6