TÜV Rheinland Energie und Umwelt GmbH
Air Pollution Control
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 7 of 253
EP_Ecotech_Serinus30_en.docx
7. TEST RESULTS IN ACCORDANCE WITH DIN EN 14626 (2012) ................................71
7.1 8.4.3 Response time .................................................................................................71
7.1 8.4.4 Short-term drift .................................................................................................75
7.1 8.4.5 Repeatability standard deviation ......................................................................79
7.1 8.4.6 Lack of fit of linearity of the calibration function ................................................82
7.1 8.4.7 Sensitivity coefficient to sample gas pressure ..................................................87
7.1 8.4.8 Sensitivity coefficient to sample gas temperature .............................................89
7.1 8.4.9 Sensitivity coefficient to the surrounding temperature ......................................91
7.1 8.4.10 Sensitivity coefficient to electrical voltage .......................................................94
7.1 8.4.11 Interferents .....................................................................................................96
7.1 8.4.12 Averaging test ................................................................................................99
7.1 8.4.13 Difference sample/calibration port ................................................................ 102
7.1 8.5.4 Long-term drift ............................................................................................... 104
7.1 8.5.5 Reproducibility standard deviation for CO under field conditions .................... 107
7.1 8.5.6 Period of unattended operation ...................................................................... 109
7.1 8.5.7 Period of availability of the analyser .............................................................. 110
7.1 8.6 Total uncertainty in accordance with Annex E of DIN EN 14626 (2012) ........... 112
8. RECOMMENDATIONS FOR USE .............................................................................. 117
9. LITERATURE .............................................................................................................. 118
10. ANNEX ........................................................................................................................ 119
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