TESTO 340 Instruction Manual page 56

56 K. Technical data
Mass flow:
M M a a s s s s f f l l o o w w C C O O : :
M M a a s s s s f f l l o o w w N N O O : :
x
M M a a s s s s f f l l o o w w S S O O : :
2
Calculation term Z:
Conversion from ppm to mg/m3:
C C a a r r b b o o n n m m o o n n o o x x i i d d e e : :
N N i i t t r r o o g g e e n n o o x x i i d d e e : :
S S u u l l f f u u r r d d i i o o x x i i d d e e : :
MCO = CO [kg/h] [ppm] x F
Gas
MNO = NO [kg/h] [ppm] x F
x x
MSO = SO [kg/h] [ppm] x F
2 2
273.15 x Pabs [mbar]
Z =
273.15 +T [°C] x 1013
O - O
2ref 2Bez
CO [mg/m 3 ] =
O - O
2ref 2
O - O
2ref 2Bez
NOx [mg/m ] =
3
O - O
2ref
O - O
2ref 2Bez
SO2 [mg/m 3 ] =
O - O
2ref 2
x 1.25 [kg/m ] x Z
3
x 2.05 [kg/m 3 ] x Z
Gas
x 2.86 [kg/m 3 ] x Z Fgas:
Gas
T:
Z:
x x V V [m /s] x x 1 1 0 0 -6 6
3 [1/ppm] x 3600
x CO [ppm] x 1.25
x NO [ppm] x 2.05
x
2
x SO [ppm] x 2.86 O
2 2ref
O :
2
O
2Bez
Fuel-specific
humidity value
Dew point
Calculation term
(see below)
: O Reference value
2
Measured oxygen
content as %
: Fuel-specific
oxygen reference index as %