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Measurement of air quality with the enviSENS sensor unit in places with high traffic load

Measurement of air quality with the enviSENS sensor unit in places with high traffic load

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Air quality measurements for the purpose of deciding whether the immission limits set by the legislation are being observed should always be carried out according to the procedures defined by the legislation. But in the case when the goal is to compare two states with each other or to evaluate a trend, then it seems very advantageous to use cheaper measurement alternatives, such as low-cost sensors. In general, low-cost sensors have received considerable attention in recent years, both by authorities ensuring air quality measurements in accordance with legislative regulations and in the form of scientific studies by university teams or research centers. Due to the differential behavior of sensors from different manufacturers in the real environment and the complexity of data quality control issues and the sustainability of sensor measurements, none of the above-mentioned authorities or institutions have yet defined uniform methodological procedures for dealing with this technology.

The presented methodology does not set this goal either. This was designed to introduce the user to the correct application and handling of the enviSENS sensor unit, developed as part of the project TH03030278 "Application of low-cost sensors for measuring air quality in connection with traffic measures", including a description of the basic principles of operation, data evaluation and recommended applications.

The methodology was created with the state support of the Technology Agency of the Czech Republic as part of the Epsilon program as part of project TH03030278 "Application of low-cost sensors for measuring air quality in connection with transport measures".

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Detail

Autor

  • Ličbinský R.
  • Huzlík J.
  • Chaloupecký P.
  • Ambrose O.
  • Hadrava J.
  • Novak Z.

Obsah

1. Objective of the methodology

2. Introduction

3. Methodological part
3.1. The device and its functions
3.1.1. Technical parameters
3.1.2. Device description
3.1.3. Specifications of the individual components of the enviSENS unit
3.2. Principle of measurement
3.2.1. Gas sensors
3.2.2. Dust sensors
3.3. Measurement procedure
3.3.1. Principles of selection of the measuring site
3.3.2. Measurement with the enviSENS sensory unit
3.4. Evaluation of measured data
3.5. Interpretation of results
3.5.1. Example of comparison of measurement results by reference methods and sensors placed in a functional sample

4. Comparison of the novelty of procedures

5. Description of the application of the certified methodology

6. Economic aspects

Dedikace

This methodology was co-financed with the state support of the Technology Agency of the Czech Republic as part of the Epsilon program as part of the project TH03030278 Application of low-cost sensors for measuring air quality in connection with transport measures.
www.tacr.cz

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