Ecotech Serinus 30 - Table 33: Expanded Uncertainty from the Results of the Laboratory Test for System 1; Table 34: Expanded Uncertainty from the Results of the Laboratory and Field Tests for System 1

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 115 of 253
EP_Ecotech_Serinus30_en.docx
Table 33: Expanded uncertainty from the results of the laboratory test for system 1
Table 34: Expanded uncertainty from the results of the laboratory and field tests for system 1
Measuring device: Ecotech Serinus 30 Serial-No.: 12-1183 (Device 1)
Measured component: CO 8h-limit value: 8.62 µmol/mol
No. Performance characteristic Result Square of partial uncertainty
1
Repeatability standard deviation at zero ≤ 0.3 µmol/mol 0.020 u
r,z
0.00 0.0000
2 Repeatability standard deviation at 8h-limit value
≤ 0.4 µmol/mol 0.030 u
r
0.01 0.0000
3 "lack of fit" at 8h-limit value
≤ 4.0% of measured value 0.860 u
l
0.04 0.0018
4 Sensitivity coefficient of sample gas pressure at 8h-limit value
≤ 0.7 µmol/mol/kPa 0.040 u
gp
0.09 0.0087
5 Sensitivity coefficient of sample gas temperature at 8h-limit value
≤ 0.3 µmol/mol/K 0.000 u
gt
0.00 0.0000
6 Sensitivity coefficient of surrounding temperature at 8h-limit value
≤ 0.3 µmol/mol/K 0.040 u
st
0.09 0.0083
7 Sensitivity coefficient of electrical voltage at 8h-limit value
≤ 0.3 µmol/mol/V 0.001 u
V
0.00 0.0000
≤ 1.0 µmol/mol (Zero) 0.100
≤ 1.0 µmol/mol (Span) 0.230
≤ 0.5 µmol/mol (Zero) -0.050 u
int,pos
≤ 0.5 µmol/mol (Span) 0.000
≤ 0.5 µmol/mol (Zero) 0.010
≤ 0.5 µmol/mol (Span) -0.110 or
≤ 0.5 µmol/mol (Zero) 0.010
≤ 0.5 µmol/mol (Span) 0.010 u
int,neg
9 Averaging effect
≤ 7.0% of measured value -0.080 u
av
0.00 0.0000
18 Difference sample/calibration port
≤ 1.0% -0.090 u
∆sc
-0.01 0.0001
21 Uncertainty of test gas
≤ 3.0% 2.000 u
cg
0.09 0.0074
Combined standard uncertainty
u
c
0.1892 µmol/mol
Expanded uncertainty U 0.3784 µmol/mol
Relative expanded uncertainty W 4.39 %
Maximum allowed expanded uncertainty
W
req
15 %
8c
Interferent NO with 1 µmol/mol
8d
Interferent N
2
O with 50 nmol/mol
8b
Interferent CO
2
with 500 µmol/mol
0.06
0.0039
Performance criterion
Partial uncertainty
8a
Interferent H
2
0 with 21 mmol/mol
u
H2O
0.07
0.0055
Measuring device: Ecotech Serinus 30 Ser
ial-No.: 12-1183 (Device 1)
Measured component: CO 8h-limit value: 8.62 µmol/mol
No. Performance characteristic Result Square of partial uncertainty
1
Repeatability standard deviation at zero ≤ 0.3 µmol/mol 0.020 u
r,z
0.00 0.0000
2 Repeatability standard deviation at 8h-limit value
≤ 0.4 µmol/mol 0.030 u
r
not considered, as
ur = 0 < ur,f
-
3 "l
ack of fit" at 8h-limit value
≤ 4.0% of measured value 0.860 u
l
0.04 0.0018
4 Sensitivity coefficient of sample gas pressure at 8h-limit value
≤ 0.7 µmol/mol/kPa 0.040 u
gp
0.09 0.0087
5 Sensitivity coefficient of sample gas temperature at 8h-limit value
≤ 0.3 µmol/mol/K 0.000 u
gt
0.00 0.0000
6 Sensitivity coefficient of surrounding temperature at 8h-limit value
≤ 0.3 µmol/mol/K 0.040 u
st
0.09 0.0083
7 Sensitivity coefficient of electrical voltage at 8h-limit value
≤ 0.3 µmol/mol/V 0.001 u
V
0.00 0.0000
≤ 1.0 µmol/mol (Zero) 0.230
≤ 1.0 µmol/mol (Span) 0.100
≤ 0.5 µmol/mol (Zero) -0.050 u
int,pos
≤ 0.5 µmol/mol (Span) 0.000
≤ 0.5 µmol/mol (Zero) 0.010
≤ 0.5 µmol/mol (Span) -0.110 or
≤
0.5 µmol/mol (Zero) 0.010
≤ 0.5 µmol/mol (Span) 0.010 u
int,neg
9 Averaging effect
≤ 7.0% of measured value -0.080 u
av
0.00 0.0000
10 Reproducibility standard deviation under field conditions
≤ 5.0% of average over 3 months 3.450 u
r,f
0.30 0.0884
11 Long term drift at zero level
≤ 0.5 µmol/mol -0.230 u
d,l,z
-0.13 0.0176
12 Long term drift at span level
≤ 5.0% of max. of certification range 0.640 u
d,l,8h
0.03 0.0010
18 Difference sample/calibration port
≤ 1.0% -0.090 u
∆sc
-0.01 0.0001
21 Uncertainty of test gas
≤ 3.0% 2.000 u
cg
0.09 0.0074
Combined standard uncertainty
u
c
0.3779 µmol/mol
Expanded uncertainty U 0.7559 µmol/mol
Relative expanded uncertainty W 8.77 %
Maximum allowed expanded uncertainty
W
req
15 %
8c
Interferent NO with 1 µmol/mol
8d
Interferent N
2
O with 50 nmol/mol
8b
Interferent CO
2
with 500 µmol/mol
0.06
0.0039
Performance criterion
Partial uncertainty
8a
Interferent H
2
0 with 21 mmol/mol
u
H2O
0.07
0.0055