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BSI PAS 4023:2023

BSI PAS 4023:2023

$57.85

Selection, deployment and quality control of low-cost air quality sensor systems in outdoor ambient air – Code of practice

Published By Publication Date Number of Pages
BSI 2023 48
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PDF Catalog

PDF Pages PDF Title
5 Foreword
7 Introduction
9 1 Scope
10 2 Normative references
11 3 Terms, definitions and symbols
3.1 Terms and definitions
13 3.2 Symbols
14 4 Performing a measurement campaign
‌Figure 1 – Steps to performing a measurement campaign
15 4.1 Design of the measurement campaign
4.2 Selection of sensor systems
17 4.3 Deployment and maintenance
18 Figure 2 – Sensor system deployment
19 Figure 3 – Sensor system deployed in an area of free air circulation and reduced risk of vandalism
20 Figure 4 – Poor deployment location with a wall too close to the sensor system
Figure 5 – Poor location with plants too close to the sensor system
23 4.4 Quality assurance
24 Figure 6 – Common measurement artefacts and areas for consideration
25 Figure 7 – Example of co-location calibration studies where low-cost sensor systems are monitoring alongside reference instruments at AQ monitoring stations
29 4.5 Data screening
30 Annexes
Annex A (informative)
Possible monitoring scenarios
Figure A.1 – Possible monitoring scenarios
31 Annex B (informative)
Examples of network calibrations
B.1 Breathe London Pilot Study methodology
32 B.2 Breathe London ongoing methodology
Figure B.1 – Separation of emission sources
33 Figure B.2 – Evolution of the Breathe London monitoring network
34 B.3 Methodology deployed for Cheltenham Borough
Council Study
Figure B.3 – Sensor-system network deployment in Cheltenham
36 Annex C (informative)
Case studies on improving the comparability of sensor systems
C.1 The importance of inter-device comparability
37 Figure C.1 – Inter-device comparability
38 C.2 Benefits of co-location calibrations
39 Figure C.2 – Data from a low-cost NO2 sensor compared with co-located reference measurements under different calibration algorithms and two time-periods
40 Annex D (informative)
Sensor technologies and performance issues
D.1 Sensor technologies
43 D.2 Performance issues
44 Bibliography

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BSI PAS 4023:2023
$57.85