TESTO 300 - Page 71

14 Performing the measurement
69
Abbreviations according to DIN EN VDI 4206 part 1
Formula
symbol
Designation
CCO, B
Current CO concentration
CNOx, B
Current NOx concentration
RO
Reference oxygen content
OEM
Measured oxygen volume content in dry flue gas
qA
Flue gas loss
tA
Flue gas temperature in °C
FT
Combustion air temperature in °C
UF
expanded uncertainty of flue gas loss
UCO, B
Expanded uncertainty of CO concentration converted to
reference oxygen content
ECO, B
Result of CO concentration converted to reference oxygen
content
UNOx, B
Expanded uncertainty of NOx concentration converted to
reference oxygen content
RNOx,B
Result of NOx concentration converted to reference
oxygen content