4
Upper display:
Air velocity, RH, CO2 value (depends on model)
Duration time in average.
Lower display:
Air volume, temp., WBT, DP value
(depends on model.)
HOLD:
Freezes the current reading.
MAX/MIN:
Maximum and minimum reading.
AVG:
Multi-points & timed average.
:
Battery Low voltage indicator.
ppm :
CO2 unit.
m/s, fpm :
Air velocity unit.
%RH :
Relative humidity unit.
o
C,
o
F :
Temperature unit.
CMM, CFM :
Air volume unit.
WBT, DP :
Wet Bulb, Dew Point temp.
inch
2
cm
2
:
Area dimension unit.
:
Air flow cone attached.
:
Vain in this meter.
LCD DISPLAY