Foreword
Introduction
1 Scope
2 Terms and definitions
3 Symbols
4 General principle
4.1 Particle size classification with the DEMC
4.2 Relationship between electrical mobility and
particle size
4.3 Measurement and data inversion
4.4 Transfer function of the DEMC
4.5 The charge distribution function
5 System and apparatus
5.1 General configuration
5.2 Components
6 Measurement procedures
6.1 Setup and preparation of the instrument
6.2 Pre-measurement checks
6.3 Measurement
6.4 Maintenance
7 Periodic tests and calibrations
7.1 Overview
7.2 Leak test
7.3 Zero tests
7.4 Flow meter calibration
7.5 Voltage calibration
7.6 Particle charge conditioner integrity test
7.7 Calibration for size measurement
7.8 Size resolution test
7.9 Number concentration calibration
8 Reporting of results
Annex A (informative) - Particle charge conditioners and
charge distributions
Annex B (informative) - Particle detectors
Annex C (informative) - Slip correction factor
Annex D (informative) - Data inversion
Annex E (informative) - Cylindrical DEMC
Annex F (informative) - Size calibration of a DMAS with
step-wise voltage change using particle size
standards
Annex G (informative) - Uncertainty
Bibliography