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
Page 97 of 253
EP_Ecotech_Serinus30_en.docx
Table 22:
Interferents according to DIN EN 14626
Interferent
Concentration
H
2
O
19 mmol/mol
CO
2
500 µmol/mol
NO
1 µmol/mol
N
2
O
50 nmol/mol
7.4
Evaluation
The following table lists the influence quantities of individual interferents.
Table 23:
Influence of the interferents (ct = 8.6 µmol/mol)
7.5
Assessment
Cross-sensitivity at zero point is 0.23 µmol/mol for system 1 and 0.09 µmol/mol for system 2
for the component H
2
O; -0.05 µmol/mol for system 1 and 0.05 µmol/mol for system 2 for the
component CO
2
; 0.01 µmol/mol for system 1 and 0.08 µmol/mol for system 2 for the compo-
nent NO; 0.01 µmol/mol for system 1 and 0.00 µmol/mol for system 2 for the component
N
2
O.
Cross-sensitivity at the limit value
c
t
is 0.10 µmol/mol for system 1 and -0.11 µmol/mol for
system 2 for the component H
2
O; 0.00 µmol/mol for system 1 and 0.05 µmol/mol for system
2 for the component CO
2
; -0.11 µmol/mol for system 1 and 0.05 µmol/mol for system 2 for
the component NO; 0.01 µmol/mol for system 1 and 0.00 µmol/mol for system 2 for the com-
ponent N
2
O.
Does this comply with the performance criterion? yes
7.6
Detailed presentation of test results
Table 24 provides the individual readings obtained from the test.
Requirement
≤ 1.0 μmol/mol
0.23
0.09
≤ 1.0 μmol/mol
0.10
-0.11
≤ 0.5 μmol/mol
-0.05
0.05
≤ 0.5 μmol/mol
0.00
0.05
≤ 0.5 μmol/mol
0.01
0.08
≤ 0.5 μmol/mol
-0.11
0.05
≤ 0.5 μmol/mol
0.01
0.00
≤ 0.5 μmol/mol
0.01
0.00
Influence quantity interferent CO
2
at c
t
[nmol/mol/V]
Influence quantity interferent NO at zero [nmol/mol/V]
Influence quantity interferent NO at c
t
[nmol/mol/V]
Influence quantity interferent H
2
O at zero [nmol/mol/V]
Device 1
Device 2
Influence quantity interferent N
2
O at zero [nmol/mol/V]
Influence quantity interferent N
2
O at c
t
[nmol/mol/V]
Influence quantity interferent H
2
O at c
t
[nmol/mol/V]
Influence quantity interferent CO
2
at zero [nmol/mol/V]
Summary of Contents for Serinus 30
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