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Report on the performance testing of the Serinus 30 ambient air quality
monitoring 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
The sensitivity coefficient to
sample gas temperature shall
not exceed 0.3 µmol/mol/K (i.e.
0.35 mg/m³/K).
For system 1, the sensitivity coeffi-
cient to sample gas temperature is
0.00 µmol/mol/K).
For system 2, the sensitivity coeffi-
cient to sample gas temperature is
The sensitivity coefficient to the
surrounding temperature shall
not exceed 0.3 µmol/mol/K (i.e.
0.35 mg/m³/K).
The sensitivity coefficient to the sur-
rounding temperature does not ex-
ceed the performance criteria of max.
0.3 µmol/mol/K. For both systems, the
highest value bst is used for the pur-
pose of evaluating uncertainty. For
system 1 it is 0.040 µmol/mol/K and
for system 2 it is 0.046 µmol/mol/K.
8.4.10 Sensitivity coeffi-
cient to electrical
voltage
The sensitivity coefficient to
electrical voltage shall not ex-
ceed 0.30 µmol/mol/V (i.e. 0.35
mg/m³/V).
The sensitivity coefficient of electrical
voltage bv does not exceed the per-
formance criteria of max. 0.30
µmol/mol/V stipulated in Standard
DIN EN 14626 at any point. For both
systems, the highest value bv is used
for the purpose of evaluating uncer-
0.001 µmol/mol/V and for system 2 it
Interferents at zero concentra-
tion and at a concentration c
t
(at the level of the hourly limit
value = 10 mg/m³ for CO).
Maximum responses for the in-
terferents CO
2
, NO and NO
2
are ≤ 0.5 µmol/mol (i.e. 0.58
mg/m³) each, and ≤ 1.0
µmol/mol (i.e. 1.16 mg/m³) for
H
2
O.
Cross-sensitivity at zero point is
0.23 µmol/mol for system 1 and
0.09 µmol/mol for system 2 for the
component H2O; -0.05 µmol/mol for
system 1 and 0.05 µmol/mol for sys-
0.01 µmol/mol for system 1 and
0.08 µmol/mol for system 2 for the
component NO; 0.01 µmol/mol for
system 1 and 0.00 µmol/mol for sys-
tem 2 for the component N2O.
Cross-sensitivity at the limit value ct is
0.10 µmol/mol for system 1 and -
0.11 µmol/mol for system 2 for the
component H2O; 0.00 µmol/mol for
system 1 and 0.05 µmol/mol for sys-
tem 2 for the component CO2; -
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 sys-
Summary of Contents for Serinus 30
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