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BS EN ISO 25178-71:2017

BS EN ISO 25178-71:2017

$102.76

Geometrical product specifications (GPS). Surface texture: Areal – Software measurement standards

Published By Publication Date Number of Pages
BSI 2017 20
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This part of ISO 25178 defines Type S1 and Type S2 software measurement standards (etalons) for verifying the software of measuring instruments. It also defines the file format of Type S1 software measurement standards for the calibration of instruments for the measurement of surface texture by the areal method as defined in the areal surface texture chain of standards, chain link 6.

NOTE Throughout this part of ISO 25178, the term “softgauge” is used as a substitute for “software measurement standard Type S1”.

PDF Catalog

PDF Pages PDF Title
2 National foreword
4 European foreword
Endorsement notice
6 Foreword
7 Introduction
8 1 Scope
2 Normative references
3 Terms and definitions
9 4 Type S software measurement standards
4.1 General
10 4.2 Type S1, reference data
4.3 Type S2, reference software
5 File format for Type S1 reference data
5.1 General
5.2 Record 1 — Header
5.2.1 General
5.2.2 Version number
11 5.2.3 Measurement instrument manufacturer’s identifier
5.2.4 Original creation date and time
5.2.5 Last modification date and time
5.2.6 Number of points per profile, M
5.2.7 Number of profiles or traces, N
5.2.8 X, Y and Z axis scale factors
5.2.9 Z axis resolution
5.2.10 Compression type
5.2.11 Data type
5.2.12 Checksum type
12 5.3 Record 2 — Data area
5.4 Record 3 — Trailer
13 6 Software measurement standard certificate
14 Annex A (informative) Examples
16 Annex B (informative) Relation to the GPS matrix model
18 Bibliography

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BS EN ISO 25178-71:2017
$102.76