TÜV Rheinland Energie und Umwelt GmbH
Luftreinhaltung
Report on the performance testing of the Serinus 30 ambient air quality moni-
toring system manufactured by Ecotech Pty Ltd measuring CO, Report no.:
936/21221977/D_EN
EP_Ecotech_Serinus30_en.docx
Performance criterion Minimum requirement Test result Com-
pliance
Page
8.4.4 Short-term drift The short-
shall not exceed 0.10
µmol/mol/12h (i.e. 0.116
mg/m³/12h).
The short-
level shall not exceed 0.6
µmol/mol/12h (i.e. 0.696
mg/m³/12h).
The short-term drift at zero is 0.01
µmol/mol for system 1and -0.08
µmol/mol for system 2.
The short-
term drift at span point is
0.08 µmol/mol for system 1 and 0.18
µmol/mol for system 2.
yes 75
8.4.5 Repeatability
standard deviation
The repeatability standard de-
viation shall neither exceed
0.3 µmol/mol (i.e. 0.348 mg/m³)
at zero nor shall it exceed 0.4
µmol/mol (i.e. 0.464 mg/m³)
span point.
The repeatability standard deviation
at zero point is 0.02 µmol/mol for sys-
tem 1 and 0.02 µmol/mol for system
2. The repeatability standard devia-
tion at span point is 0.03 µmol/mol for
system 1 and 0.00 µmol/mol for sys-
tem 2.
yes 79
8.4.6
of the calibration
function
The lack of fit of linearity of the
calibration function shall not
exceed 0.5 µmol/mol (i.e. 0.58
mg/m³) at zero and 4 % of the
measured value at concentra-
tions above zero.
For system 1, the deviation from the
regression line is -
0.10 µmol/mol at
zero point and max. 0.86 % of the
target value for concentrations greater
than zero.
For system 2, the deviation
from the regression line is -0.04
µmol/mol at zero point and max. 0.93
% of the target value for concentra-
tions greater than zero.
yes 82
8.4.7 Sensitivity coeffi-
cient to sample gas
pressure
The sensitivity coefficie
sample gas pressure shall
exceed 0.70 µmol/mol/kPa (i.e.
0.81 mg/m³/kPa).
For system 1, the sensitivity coeffi-
cient to sample gas pressure is
0.04 µmol/mol/kPa.
For system 2, the sensitivity coeffi-
cient to sample gas pressure is
0.03 µmol/mol/kPa.
yes 87
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