Table of Contents

Foreword<br>Introduction<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Symbols<br>5 Calibration using reference instruments - General<br>&nbsp;&nbsp;principles<br>6 Calibration using an FCAE as reference instrument<br>7 Calibration using a CPC as reference instrument<br>8 Reporting of results<br>Annex A (informative) - CPC performance characteristics<br>Annex B (informative) - Effect of particle surface<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;properties on the CPC detection efficiency<br>Annex C (informative) - Example calibration certificates<br>Annex D (normative) - Calculation of the CPC detection<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;efficiency<br>Annex E (informative) - Traceability diagram<br>Annex F (informative) - Diluters<br>Annex G (normative) - Evaluation of the concentration<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;bias correction factor between the inlets of the<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;reference instrument and test CPC<br>Annex H (informative) - Extension of calibration range<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;to lower concentrations<br>Annex I (informative) - Example of a detection efficiency<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;measurement<br>Annex J (normative) - Volumetric flow rate calibration<br>Annex K (normative) - Testing the charge conditioner and<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the DEMC at maximum particle number concentration<br>Annex L (informative) - A recommended data recording<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;method when using a reference FCAE<br>Annex M (informative) - Uncertainty of detection efficiency<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;due to particle size uncertainty<br>Annex N (informative) - Application of calibration results<br>Bibliography

Abstract

Defines methods to determine the detection efficiency of condensation particle counters (CPC[s]) at particle number concentrations ranging between 1 cm[-3] and 10[5] cm[-3], together with the associated measurement uncertainty.

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Published
Document Type	Standard
Status	Current
Publisher	British Standards Institution
Pages
ISBN
Committee	LBI/37
Supersedes	13/30271019 DC : 0