BS ISO 27891:2015
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
31-03-2015
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Calibration using reference instruments - General
principles
6 Calibration using an FCAE as reference instrument
7 Calibration using a CPC as reference instrument
8 Reporting of results
Annex A (informative) - CPC performance characteristics
Annex B (informative) - Effect of particle surface
properties on the CPC detection efficiency
Annex C (informative) - Example calibration certificates
Annex D (normative) - Calculation of the CPC detection
efficiency
Annex E (informative) - Traceability diagram
Annex F (informative) - Diluters
Annex G (normative) - Evaluation of the concentration
bias correction factor between the inlets of the
reference instrument and test CPC
Annex H (informative) - Extension of calibration range
to lower concentrations
Annex I (informative) - Example of a detection efficiency
measurement
Annex J (normative) - Volumetric flow rate calibration
Annex K (normative) - Testing the charge conditioner and
the DEMC at maximum particle number concentration
Annex L (informative) - A recommended data recording
method when using a reference FCAE
Annex M (informative) - Uncertainty of detection efficiency
due to particle size uncertainty
Annex N (informative) - Application of calibration results
Bibliography
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