COSA Xentaur COSA 707 - Manual (Page 66)

COSA Instruments USER MANUAL COSA 707
www.cosaxentaur.com 66
16.5 Analysis and calculations
Measured values Unit
O
2
[%]
CO
2
(optional) [%]
CO [ppm]
CO [%]
NO [ppm]
NO2 [ppm]
SO2 [ppm]
Temp. Ambient air (Thermo-Element) [°C] [°F]
Temp. Flue gas (Thermo-Element) [°C] [°F]
CO [ppm]
Draft [hPa]/cf. Chapter 9.2
Available conversions of CO CO
[ ppm ] related to. on 0% rest O
2
(undiluted) X
[ ppm ] related to. on fuel type dependent O
2
reference value X
[ mg/m 3 ] X
[mg/kWh] X
[mg/MJ] X
[ mg/m 3 ] on fuel type dependent O
2
reference value X
Continously caculated values Unit
CO
2
[%]
Efficiency ETA [%]
Efficiency condensed [%]
Losses [%]
Losses condensed [%]
Lambda -
Dew point [°C] [°F]
Losses and efficiency are calculated by means of net calorific value.
These values are than referenced for the gross calorific value for condensing boilers only. (effi-
ciency > 100)
The calculations of efficiency and exhaust losses are performed using Siegert’s formula.
For further information please contact COSA. (
www.cosaxentaur.com )
16.6 EG –Declaration of confirmity
On Request