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
7.6 Detailed presentation of test results
Table 32 summarises the results for items 1 and 3.
Table 33 and Table 35 provide the results for item 2.
Table 34 and Table 36 list the results for item 4.
Table 32: Performance criteria according to DIN EN 14626
Performance characteris-
tic
Criterion Test Result Com-
pliance
Page
8.4.5 Repeatability stand-
ard deviation at ze-
ro
≤ 0.3 µmol/mol S
r
System 1: 0.02 µmol/mol
S
r
System 2: 0.02 µmol/mol
yes 79
8.4.5 Repeatability stand-
ard deviation at the
concentration c
t
≤ 0.4 µmol/mol S
r
System 1: 0.03 µmol/mol
S
r
System 2: 0.0 µmol/mol
yes 79
8.4.6 “lack of fit” (devia-
tion from the linear
regression)
Largest deviation from
the linear regression
line at concentrations
above zero ≤ 4.0 % of
the reading
Deviation at zero
≤ 5 µmol/mol
X
l.z
System 1: NP -0.1 µmol/mol
X
l
System 1: RP 0.86 %
X
l.z
System 2: NP 0.0 µmol/mol
X
l
System 2: RP 0.93 %
yes 82
8.4.7 Sensitivity coeffi-
cient to sample gas
pressure
≤ 0.70 µmol/mol/kPa b
gp
System 1: 0.04 µmol/mol/kPa
b
gp
System 2: 0.03 µmol/mol/kPa
yes 87
8.4.8 Sensitivity coeffi-
cient to sample gas
temperature
≤ 0.3 µmol/mol/K b
gt
System 1: 0.0 µmol/mol/K
b
gt
System 2: 0.0 µmol/mol/K
yes 89
8.4.9 Sensitivity coeffi-
cient to surrounding
temperature
≤ 0.3 µmol/mol/K b
st
System 1: 0.04 µmol/mol/K
b
st
System 2: 0.046 µmol/mol/K
yes 91
8.4.10 Sensitivity coeffi-
cient to electric
voltage
≤ 0.3 µmol/mol/V b
v
System 1: RP 0.001 µmol/mol/V
b
v
System 2: RP 0.001 µmol/mol/V
yes 94
8.4.11 Interferents at zero
and concentration c
t
H
2
O
≤ 1.0 µmol/mol
CO
2
≤ 0.5 µmol/mol
NO
≤ 0.5 µmol/mol
NO
2
≤ 0.5 µmol/mol
H
2
O
System 1: NP 0.23 µmol/mol / RP 0.1 µmol/mol
System 2: NP 0.09 µmol/mol / RP -0.11 µmol/mol
CO
2
System 1: NP -0.05 µmol/mol / RP 0.0 µmol/mol
System 2: NP 0.05 µmol/mol / RP 0.05 µmol/mol
NO
System 1: NP 0.01 µmol/mol / RP -0.11 µmol/mol
System 2: NP 0.01 µmol/mol / RP 0.05 µmol/mol
NO
2
System 1: NP 0.01 µmol/mol / RP 0.01 µmol/mol
System 2: NP 0.0 µmol/mol / RP 0.0 µmol/mol
yes 96