BS EN ISO 2178:2016 – TC:2020 Edition
$246.62
Tracked Changes. Non-magnetic coatings on magnetic substrates. Measurement of coating thickness. Magnetic method
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 102 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | compares BS EN ISO 2178:2016 |
| 2 | TRACKED CHANGES Text example 1 — indicates added text (in green) |
| 58 | European foreword |
| 61 | Foreword |
| 63 | 1 Scope 2 Normative references 3 Terms and definitions |
| 64 | 4 Principle of measurement 4.1 Basic principle of all magnetic measurement methods 4.2 Magnetic pull-off method |
| 65 | 4.3 Magnetic inductive principle |
| 67 | 4.4 Magnetic flux gauge |
| 68 | 5 Factors affecting measurement accuracy 5.1 Basic influence of the coating thickness 5.2 Magnetic properties of the base metal |
| 69 | 5.3 Electrical properties of the coating materials 5.4 Geometry: base metal thickness 5.5 Edge effect 5.6 Geometry: surface curvature |
| 70 | 5.7 Surface roughness 5.8 Cleanliness: lift-off effect 5.9 Probe pressure 5.10 Probe tilt |
| 71 | 5.11 Temperature effects 5.12 External electromagnetic fields 6 Calibration and adjustment of the instrument 6.1 General 6.2 Thickness reference standards |
| 72 | 6.3 Methods of adjustment 7 Measurement procedure and evaluation 7.1 General |
| 73 | 7.2 Number of measurements and evaluation 8 Uncertainty of the results 8.1 General remarks |
| 74 | 8.2 Uncertainty of the calibration of the instrument |
| 75 | 8.3 Stochastic errors 8.4 Uncertainties caused by factors summarized in Clause 5 |
| 76 | 8.5 Combined uncertainty, expanded uncertainty and final result 9 Precision 9.1 General 9.2 Repeatability (r) |
| 77 | 9.3 Reproducibility limit (R) 10 Test report |
| 79 | Annex A (informative) Basic principle of all measurement methods |
| 81 | Annex B (informative) Basic performance requirements for coating thickness gauges which are based on the magnetic method described in this International Standard |
| 83 | Annex C (informative) Examples of experimental estimation of factors affecting the measurement |
| 88 | Annex D (informative) Example of uncertainty estimation (see Clause 8) |
| 91 | Annex E (informative) Basics of the determination of the uncertainty of a measurement of the used measurement method corresponding to ISO/IEC Guide 98-3 |
| 93 | Annex F (informative) Table of the student factor |
| 94 | Annex G (informative) Details on precision |
| 99 | Bibliography |
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