TESTO 340 - Mass Flow Calculations; ppm to mg;m3 Conversion

Mass flow:
MMaassss ffllooww CCOO::
MCO = CO [kg/h] [ppm] x F
Gas
x 1.25 [kg/m
3
] x Z
MMaassss ffllooww NNOO
x
::
MNO
x
= NO
x
[kg/h] [ppm] x F
Gas
x 2.05 [kg/m
3
] x Z
MMaassss ffllooww SSOO
2
::
MSO
2
= SO
2
[kg/h] [ppm] x F
Gas
x 2.86 [kg/m
3
] x Z Fgas: Fuel-specific
humidity value
T: Dew point
Z: Calculation term
(see below)
Calculation term Z: Z =
xx VV
[m
3
/s]
xx 1100
-66
[1/ppm] x 3600
Conversion from ppm to mg/m3:
CCaarrbboonn mmoonnooxxiiddee::
CO [mg/m
3
] = x CO [ppm] x 1.25
NNiittrrooggeenn ooxxiiddee::
NOx [mg/m
3
] = x NO
x
[ppm] x 2.05
SSuullffuurr ddiiooxxiiddee::
SO2 [mg/m
3
] = x SO
2
[ppm] x 2.86 O
2ref
:O
2
Reference value
O
2
: Measured oxygen
content as %
O
2Bez
: Fuel-specific
oxygen reference index as %
O
2ref
- O
2Bez
O
2ref
- O
2
O
2ref
- O
2Bez
O
2ref
- O
2
O
2ref
- O
2Bez
O
2ref
- O
2
273.15 x Pabs [mbar]
273.15 +T [°C] x 1013
K. Technical data
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