User Manual
VARIO
luxx
MRU GmbH, D-74172 Neckarsulm
107 / 129
13.6.
Calculated values and accessories
CO
2
Measuring range (fuel type de-
pendant)
0 - CO2 max.
Accuracy abs.
± 0,3 Vol.%
Dew point
°C
Losses qA
0 - 99,9 %
Efficiency
0 - 120 %
Measurement values available as
mg/Nm3,
O2 Ref,
mg/kWh
NOX: mg/Nm3 NO2
Velocity
based on differential pressure
measurement with Pitot tube
v
Typical measuring range
3 m/s - 100 m/s
Accuracy at 3m/s.
1 m/s
Accuracy > 12 m/s (reading)
± 1%
Resolution
0,1 m/s
Absolute pressure measurement
•
13.7.
Analysis and calculations
Continuous measured values
Unit
O2
[%]
Temp. ambient air (thermocouple)
[°C]
Temp. flue (thermocouple)
[°C]
CO
[ppm]
Draft
[hPa]
Further continuously calculated
values
Unit
CO
2
[%]
ETA
[%]
ETA condensed
[%]
Losses
[%]
Losses condensed
[%]
Lambda
-
Dew point
[°C]
CO/CO
2
ratio
[%]