BS ISO 21501-4:2018 – TC:2020 Edition
$217.84
Tracked Changes. Determination of particle size distribution. Single particle light interaction methods – Light scattering airborne particle counter for clean spaces
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 82 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 50 | National foreword |
| 54 | Foreword |
| 55 | Introduction |
| 57 | 1 Scope 2 Normative references 3 Terms and definitions |
| 58 | 4 Principle |
| 59 | 5 Basic configuration 6 Requirements 6.1 Size setting error |
| 60 | 6.2 Counting efficiency 6.3 Size resolution 6.4 False count 6.5 Maximum particle number concentration 6.6 Sampling flow rate error 6.7 Sampling time error 6.8 Response rate 6.9 Calibration interval |
| 61 | 6.10 Reporting of test and calibration results 7 Test and calibration procedures 7.1 Size setting 7.1.1 Evaluation of size setting error |
| 62 | 7.1.2 Procedure of size setting |
| 65 | 7.2 Evaluation of counting efficiency |
| 66 | 7.3 Evaluation of size resolution |
| 67 | 7.4 Evaluation of false count 7.5 Estimation of coincidence loss at the maximum particle number concentration 7.6 Evaluation of sampling flow rate error |
| 68 | 7.7 Evaluation of sampling time error 7.8 Evaluation of response rate |
| 70 | Annex A (informative) Counting efficiency |
| 72 | Annex B (informative) Size resolution |
| 73 | Annex C (informative) False count |
| 74 | Annex D (informative) Response rate |
| 75 | Annex E (informative) Procedure for evaluating the uncertainties of the results of the performance tests |
| 81 | Bibliography |
