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BS EN ISO 14978:2018 – TC:2019 Edition

BS EN ISO 14978:2018 – TC:2019 Edition

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Tracked Changes. Geometrical product specifications (GPS). General concepts and requirements for GPS measuring equipment

Published By Publication Date Number of Pages
BSI 2019 139
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PDF Pages PDF Title
1 compares BS EN ISO 14978:2018
2 TRACKED CHANGES
Text example 1 โ€” indicates added text (in green)
3 National foreword
4 Compliance with a British Standard cannot confer immunity from legal obligations.
Amendments/corrigenda issued since publication
6 3
9 Foreword
10 Introduction
11 1 Scope
2 Normative references
12 3 Terms and definitions
3.1
13 3.2
3.3
3.4
14 3.5
3.6
3.7
3.8
3.9
3.10
15 3.11
3.12
3.13
3.14
3.15
16 3.16
3.17
3.18
3.19
3.20
3.21
17 3.22
3.23
3.24
3.25
3.26
18 3.27
3.28
Figure 1 โ€” Terms related to an analogue straight scale
19 Figure 2 โ€” Terms related to an analogue circular scale 3.28.1
3.28.2
3.28.3
3.28.4
3.28.5
20 3.28.6
3.28.7
3.28.8
3.28.9
3.28.10
3.28.11
3.29
3.30
3.31
3.32
21 3.33
3.34
3.35
3.36
Figure 3 โ€” Range and span terms 3.37
22 3.38
3.39
3.40
3.41
3.42
3.43
3.44
23 3.1 ISO/IEC Guide 99:2007 terms
Table 1 โ€” ISO/IEC Guide 99:2007 terms applicable in the use of this document
3.2 Synonym terms to ISO/IEC Guide 99:2007 terms
24 Table 2 โ€” Synonym terms to ISO/IEC Guide 99:2007 terms
3.3 ISO/IEC Guide 98-4:2012 terms
Table 3 โ€” ISO/IEC Guide 98-4:2012 terms applicable in the use of this document
3.4 ISO 14253-5:2015 terms
Table 4 โ€” ISO 14253-5:2015 terms applicable in the use of this document
3.5 Terms related to GPS measuring equipment
25 Figure 1 โ€” A measuring system composed of various pieces of measuring equipment
3.5.3
3.5.4
26 3.5.5
3.5.6
3.5.7
3.5.8
3.5.9
3.5.10
27 3.5.11
3.5.12
3.5.13
Figure 2 โ€” Terms related to an analogue straight scale
28 3.5.15
3.5.16
3.5.17
3.5.18
3.5.19
3.5.20
3.5.21
29 Figure 3 โ€” Terms related to an analogue circular scale
3.5.23
3.5.24
3.5.25
30 3.5.26
Figure 4 โ€” Terms related to a probe
3.5.28
3.5.29
3.5.30
3.5.31
31 Figure 5 โ€” Range and span terms
4 Abbreviations
Table 1 โ€” Abbreviations
4 Abbreviations
Table 5 โ€” Abbreviations
32 5 Design characteristics
5.1 General
5.1.2 Standards
5.1.3 Measuring equipment โ€” Commerce
33 5.1.4 Measuring equipment โ€” Internal use in a company
5.2 Indicating measuring equipment
34 5.3 Material measures
EXAMPLES Material, hardness, etc. of relevant parts of the material measure.
5 Design characteristics
5.1 General
5.1.1 Importance of design characteristics
5.1.2 Standards for measuring equipment
35 5.1.3 Measuring equipment โ€” Commerce
5.1.4 Measuring equipment โ€” Internal use in a company
5.2 Design characteristics for indicating measuring instruments
36 5.3 Design characteristics for material measures
6 Metrological characteristics
6.1 General
6.1.1 Characteristics
37 6.1.2 Standards for measurement equipment
6.1.3 Measuring equipment โ€” Commerce
38 6.1.4 Measuring equipment โ€” Internal use in a company
6.2 Identification, definition and choice of metrological characteristics
39 6.3 Indicating measuring equipment โ€” Identification of general metrological characteristics
6.3.1 General
6.3.2 Scale interval โ€” Resolution of reading
6.3.2.2 Scale interval
6.3.2.3 Resolution of reading
6.3.3 Digital step
6.3.4 Error of indication
40 6.3.5 Error-of-indication span, h
6.3.6 Hysteresis
6.3.7 Temperature-related characteristics
6.3.8 Characteristics related to measuring force
6.3.9 Contact geometry
41 6.3.10 Other possible metrological characteristics
6.3.11 Auxiliary equipment
Figure 4 โ€” Measuring loop in auxiliary equipment
6.4 Material measures โ€” Identification of general metrological characteristics
42 6.4.2 Scale interval โ€” Resolution of reading
6.4.2.2 Scale interval
6.4.2.3 Resolution of reading
6.4.3 Form of feature characteristics
6.4.4 Relative orientation of feature characteristics
6.4.5 Effective temperature expansion coefficient
43 6.4.6 Long term stability
6.4.7 Other possible metrological characteristics
6 Metrological characteristics
6.1 General
6.1.1 Importance of metrological characteristics
6.1.2 Standards for measuring equipment
44 6.1.3 Identification, definition and choice of metrological characteristics
6.1.4 Calibration and verification of measuring equipment
45 Figure 6 โ€” Calibration and verification of metrological characteristics
46 6.1.5 Calibration and verification methods
6.1.5.2 Definition of indication and error of indication
6.1.5.3 Rated operating conditions
47 6.1.5.3.2 Temperature
6.1.5.3.3 Reasonably skilled user
6.1.5.4 Number of test points in verification testing
6.1.6 Measuring equipment โ€” Commerce
48 6.1.7 Measuring equipment โ€” Internal use in a company
6.2 Indicating measuring instruments
6.2.1 General
6.2.2 Scale interval โ€” Resolution
6.2.2.2 Scale interval
6.2.2.3 Resolution of reading
6.2.3 Digital step
6.2.4 Error of indication
6.2.4.2 Error of indication of length
6.2.4.3 Error of indication of form
49 6.2.4.4 Error of indication of orientation
6.2.4.5 Repeatability
6.2.4.6 Hysteresis
6.2.5 Temperature-related metrological characteristics
6.2.6 Characteristics related to measuring force
6.2.7 Geometry of contact element
6.2.8 Auxiliary equipment
50 Figure 7 โ€” Measurement loop involving auxiliary equipment
6.3 Material measures
6.3.1 General
6.3.2 Scale interval โ€” Resolution of reading
6.3.2.2 Scale interval
6.3.2.3 Resolution of reading
6.3.3 Form of feature characteristics
6.3.4 Orientation of feature characteristics
6.3.5 Temperature-related metrological characteristics
51 6.3.6 Geometrical stability
6.3.7 Other possible metrological characteristics
7 Types of presentation and types of specifications for characteristics
7.2 Presentation of characteristic curves โ€” Fixed and floating zero
7.2.1 General
7.2.2 Fixed zero or fixed reference point
52 Table 2 โ€” Example of errors of indication for the same measuring equipment with different reference points
54 7.3 Presentation of a characteristic โ€” Statistical
55 7.4 Specifications for single-value metrological characteristics
7.5 Specification for metrological characteristics defined in a range
7.5.1 General
7.5.2 The MPE function is a constant value or values
56 7.5.3 The MPE function is a proportional value
57 7.5.4 The MPE function is a proportional value and a maximum value
58 7 Specification and presentation of metrological characteristics
7.1 General
7.2 Specification of metrological characteristics
7.2.1 General
7.2.2 Constant value MPE function
59 Figure 8 โ€” Example of symmetrical MPE function with a constant value, c
7.2.3 Proportional value MPE function
60 Figure 9 โ€” Example of symmetrical MPE function with a proportional value
7.2.4 Proportional and maximum value MPE function
61 Figure 10 โ€” Example of symmetrical MPE function with a proportional value and a maximum value, c
7.3 Presentation of characteristic curves
7.3.1 General
7.3.2 Presentation of characteristic curves โ€“ Reference point
62 Table 6 โ€” Example of errors of indication for measuring equipment with reference point fixed at 0 mm and 10 test points over a 10 mm measuring range
Figure 11 โ€” Example of an error of indication curve
63 Figure 12 โ€” Example of shifting the reference point in error of indication curves
64 8 Calibration of metrological characteristics
8.1 Manufacturer and supplier of measuring instruments
8.2 User of measuring instruments
8.3 Measurement uncertainty
8 Calibration of metrological characteristics
8.1 Manufacturer and supplier of measuring equipment
8.2 User of measuring equipment
8.3 Measurement uncertainty
65 9 Marking
9 Marking
10 GPS standards for specific measuring equipment
66 Annex A
(normative)
Title of the standard
Contents
Foreword
Introduction
Scope
Normative references
Terms and definitions
67 Design characteristics
Metrological characteristics and their MPEs and MPLs
Measurement standards for the calibration of metrological characteristics
Proof of conformance with specifications
Calibration of metrological characteristics
Normative/informative annexes
68 Informative annex โ€” Relation to the GPS matrix model
Bibliography
โ€” Title of the standard
โ€” Contents
โ€” Foreword
โ€” Introduction
โ€” Scope
โ€” Normative references
69 โ€” Terms and definitions
โ€” Design characteristics
โ€” Metrological characteristics and their MPEs and MPLs
โ€” Acceptance test
โ€” Measurement standards for the calibration of metrological characteristics
โ€” Demonstration of conformance with metrological specifications
70 โ€” Calibration and verification of metrological characteristics
โ€” Normative/informative annexes
โ€” Informative annex โ€” Relation to the GPS matrix model
โ€” Bibliography
Annex B
(informative)
B.1 Explanation
71 B.2 Contents of a data sheet
72 Annex B
(informative)
B.1 Explanation
B.2 Contents of a data sheet
74 Annex C
(normative)
C.1 Information about this International Standard and its use
C.2 Position in the GPS matrix model
75 Annex C
(normative)
C.1 General
C.2 Protection for field use
C.3 Measuring elements
C.4 Zero adjustment
C.5 Locking mechanisms
C.6 Types of indicating devices
C.6.1 General
76 C.6.2 Vernier scale
C.6.2.1 General
C.6.2.2 Main scale and vernier scale
Figure C.1 โ€” Example of analogue indicating device with vernier scale
Table C.1 โ€” Graduating methods of vernier scales
77 Figure C.2 โ€” 0,1 vernier scale interval of length 9 mm
Figure C.3 โ€” 0,02 vernier scale interval of length 49 mm
Figure C.4 โ€” Standard slider with vernier scale
78 Figure C.5 โ€” Slider with vernier scale for reading without parallax error
a) Scale for multiple revolutions b) Scale for partial revolution
Figure C.6 โ€” Example of circular scale marks
79 Figure C.7 โ€” Scale reading with circular scale
Figure C.8 โ€” Mechanical digital display
80 C.6.5.2 Interface
C.6.5.3 Error messages
C.6.5.4 Battery life
C.6.5.5 Additional functions
Figure C.9 โ€” Electronic scale on the beam and digital indication on the slider
81 D.2 Generally included โ€” Reference standard
D.3 Generally not included
82 D.4 Rated operating condition โ€” Interval
D.5 Rated operating condition โ€” Exact value
D.6 User influences
D.7 User-provided quantity values
83 Annex E
(informative)
E.1 General
E.2 Information about this document and its use
E.3 Position in the GPS matrix model
Table E.1 โ€” Position in the GPS matrix model
84 E.4 Related standards
Bibliography
85 Bibliography
87 undefined
89 Blank Page
91 Blank Page
94 Foreword
95 Introduction
96 1 Scope
2 Normative references
3 Terms and definitions
97 3.1 ISO/IEC Guide 99:2007 terms
3.2 Synonym terms to ISO/IEC Guide 99:2007 terms
98 3.3 ISO/IEC Guide 98-4:2012 terms
3.4 ISO 14253-5:2015 terms
3.5 Terms related to GPS measuring equipment
105 4 Abbreviations
5 Design characteristics
5.1 General
5.1.1 Importance of design characteristics
106 5.1.2 Standards for measuring equipment
5.1.3 Measuring equipment โ€” Commerce
5.1.4 Measuring equipment โ€” Internal use in a company
5.2 Design characteristics for indicating measuring instruments
107 5.3 Design characteristics for material measures
108 6 Metrological characteristics
6.1 General
6.1.1 Importance of metrological characteristics
6.1.2 Standards for measuring equipment
6.1.3 Identification, definition and choice of metrological characteristics
109 6.1.4 Calibration and verification of measuring equipment
110 6.1.5 Calibration and verification methods
112 6.1.6 Measuring equipment โ€” Commerce
6.1.7 Measuring equipment โ€” Internal use in a company
6.2 Indicating measuring instruments
6.2.1 General
113 6.2.2 Scale interval โ€” Resolution
6.2.3 Digital step
6.2.4 Error of indication
114 6.2.5 Temperature-related metrological characteristics
6.2.6 Characteristics related to measuring force
6.2.7 Geometry of contact element
6.2.8 Auxiliary equipment
115 6.3 Material measures
6.3.1 General
6.3.2 Scale interval โ€” Resolution of reading
6.3.3 Form of feature characteristics
6.3.4 Orientation of feature characteristics
6.3.5 Temperature-related metrological characteristics
6.3.6 Geometrical stability
6.3.7 Other possible metrological characteristics
116 7 Specification and presentation of metrological characteristics
7.1 General
7.2 Specification of metrological characteristics
7.2.1 General
7.2.2 Constant value MPE function
117 7.2.3 Proportional value MPE function
118 7.2.4 Proportional and maximum value MPE function
119 7.3 Presentation of characteristic curves
7.3.1 General
7.3.2 Presentation of characteristic curves โ€“ Reference point
121 8 Calibration of metrological characteristics
8.1 Manufacturer and supplier of measuring equipment
8.2 User of measuring equipment
8.3 Measurement uncertainty
122 9 Marking
10 GPS standards for specific measuring equipment
123 Annex A (normative) General minimum requirements and guidance for clauses in GPS standards for specific measuring equipment
126 Annex B (informative) Data sheet for measuring equipment requirements
128 Annex C (normative) Common design characteristics
134 Annex D (informative) Test uncertainty
136 Annex E (informative) Relation to the GPS matrix model
138 Bibliography

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BS EN ISO 14978:2018 - TC
$258.95