
Lumina 750
Classic screens
6.5
Function key 4: O2/CO2/NH3
4
Ctrl. value O2
Setting of the desired O
2
-content (%).
O2-1
Readout of the current O
2
-content measured on measuring point 1 (%).
O2-2
Readout of the current O
2
-content measured on measuring point 2 (%).
CO2
Readout of the measured CO
2
-content (%).
NH3
Readout of the measured NH
3
-content (ppm).
6.6
Function key 5: RH
5
RH Air inlet
Ctrl. value RH
Setting of the required relative humidity of the air inlet (%).
RH
Readout of the calculated relative humidity of the air inlet (%).
DB
/
WB
Readout of the measured relative humidity (RH) using two temperature sensors: a
dry bulb and a wet bulb. One of these sensors (the wet bulb) is kept wet by a wick
hanging in a water reservoir. The control computer calculates relative humidity (RH)
using measurements from these two sensors.
40