Ecotech Serinus 30 - Figure 13: Illustration of the Reproducibility Standard Deviation under Field Conditions

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
no.: 936/21221977/D_EN
EP_Ecotech_Serinus30_en.docx
7.5 Assessment
The reproducibility standard deviation for CO was 3.45 % of the average over a period of 3
months in the field. Thus, the requirements of Standard DIN EN 14626 are met.
Does this comply with the performance criterion? yes
7.6 Detailed presentation of test results
Figure 13 illustrates the reproducibility standard deviation under field conditions.
Figure 13: Illustration of the reproducibility standard deviation under field conditions
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Device 1 [µmol/mol]
Device 2 [µmol/mol]
Measured values Spiking Regression