TÜV Rheinland Energie und Umwelt GmbH
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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
EP_Ecotech_Serinus30_en.docx
6.1 5.3.2 Repeatability standard deviation at zero point
The repeatability standard deviation at zero at point shall not exceed the require-
ments of Table 2 of VDI 4202, Sheet 1 (September 2010) in the certification range
according to Table 1 of VDI 4202, Sheet 1 (September 2010).
In case of deviating certification ranges, the repeatability standard deviation at zero
point shall not exceed 2 % of the upper limit of this certification range.
The repeatability standard deviation at zero point shall not exceed 1.0 µmol/mol (i.e.
1.16 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 zero point are in line with the requirements stipulated in Standard DIN EN 14626
(2012). The reader is therefore referred to section 7.1 8.4.5 Repeatability standard devi-
ation.
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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