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
6.1 5.3.3 Repeatability standard deviation at span point
The repeatability standard deviation at span point shall not exceed the requirements
of Table 2 of VDI 4202, Sheet 1 (September 2010) in the certification range accord-
ing to Table 1 of VDI 4202, Sheet 1 (September 2010). The limit value or the alert
threshold shall be used as reference point.
In case of deviating certification ranges, the repeatability standard deviation at span
point shall not exceed 2 % of the upper limit of this certification range. In this case a
value c
t
at 70 % to 80 % of the upper limit of this certification range shall be used as
span point.
The repeatability standard deviation at span point shall not exceed 3 µmol/mol (i.e.
3.48 mg/m³).
6.2 Equipment
Not applicable here.
6.3 Testing
Performance and evaluation of the steps taken to determine the repeatability standard devia-
tion at reference point are in line with the requirements stipulated in DIN EN 14626 (2012).
The reader is therefore referred to section 7.1 8.4.5 Repeatability standard deviation.
6.4 Evaluation
Please refer to section 7.1 8.4.5 Repeatability standard deviation.
6.5 Assessment
Please refer to section 7.1 8.4.5 Repeatability standard deviation.
Does this comply with the performance criterion? yes
6.6 Detailed presentation of test results
Not applicable in this instance.
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