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eLibrary > BS EN ISO 14978:2018 - TC Tracked Changes. Geometrical product specifications (GPS). General concepts and requirements for GPS measuring equipment >

BS EN ISO 14978:2018 - TC Tracked Changes. Geometrical product specifications (GPS). General concepts and requirements for GPS measuring equipment, 2019

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BS EN ISO 14978:2018 - TC Tracked Changes. Geometrical product specifications (GPS). General concepts and requirements for GPS measuring equipment, 2019

National foreword [Go to Page]
Compliance with a British Standard cannot confer immunity from legal obligations.
Amendments/corrigenda issued since publication
3
Foreword
Introduction [Go to Page]
1 Scope
2 Normative references
3 Terms and definitions [Go to Page]
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10
3.11
3.12
3.13
3.14
3.15
3.16
3.17
3.18
3.19
3.20
3.21
3.22
3.23
3.24
3.25
3.26
3.27
3.28
Figure 1 — Terms related to an analogue straight scale
Figure 2 — Terms related to an analogue circular scale 3.28.1
3.28.2
3.28.3
3.28.4
3.28.5
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
3.33
3.34
3.35
3.36
Figure 3 — Range and span terms 3.37
3.38
3.39
3.40
3.41
3.42
3.43
3.44
3.1 ISO/IEC Guide 99:2007 terms [Go to Page]
Table 1 — ISO/IEC Guide 99:2007 terms applicable in the use of this document
3.2 Synonym terms to ISO/IEC Guide 99:2007 terms [Go to Page]
Table 2 — Synonym terms to ISO/IEC Guide 99:2007 terms
3.3 ISO/IEC Guide 98-4:2012 terms [Go to Page]
Table 3 — ISO/IEC Guide 98-4:2012 terms applicable in the use of this document
3.4 ISO 14253-5:2015 terms [Go to Page]
Table 4 — ISO 14253-5:2015 terms applicable in the use of this document
3.5 Terms related to GPS measuring equipment [Go to Page]
Figure 1 — A measuring system composed of various pieces of measuring equipment
3.5.3
3.5.4
3.5.5
3.5.6
3.5.7
3.5.8
3.5.9
3.5.10
3.5.11
3.5.12
3.5.13
Figure 2 — Terms related to an analogue straight scale
3.5.15
3.5.16
3.5.17
3.5.18
3.5.19
3.5.20
3.5.21
Figure 3 — Terms related to an analogue circular scale
3.5.23
3.5.24
3.5.25
3.5.26
Figure 4 — Terms related to a probe
3.5.28
3.5.29
3.5.30
3.5.31
Figure 5 — Range and span terms
4 Abbreviations [Go to Page]
Table 1 — Abbreviations
4 Abbreviations [Go to Page]
Table 5 — Abbreviations
5 Design characteristics [Go to Page]
5.1 General [Go to Page]
5.1.2 Standards
5.1.3 Measuring equipment — Commerce
5.1.4 Measuring equipment — Internal use in a company
5.2 Indicating measuring equipment
5.3 Material measures
EXAMPLES Material, hardness, etc. of relevant parts of the material measure.
5 Design characteristics [Go to Page]
5.1 General [Go to Page]
5.1.1 Importance of design characteristics
5.1.2 Standards for measuring equipment
5.1.3 Measuring equipment — Commerce
5.1.4 Measuring equipment — Internal use in a company
5.2 Design characteristics for indicating measuring instruments
5.3 Design characteristics for material measures
6 Metrological characteristics [Go to Page]
6.1 General [Go to Page]
6.1.1 Characteristics
6.1.2 Standards for measurement equipment
6.1.3 Measuring equipment — Commerce
6.1.4 Measuring equipment — Internal use in a company
6.2 Identification, definition and choice of metrological characteristics
6.3 Indicating measuring equipment — Identification of general metrological characteristics [Go to Page]
6.3.1 General
6.3.2 Scale interval — 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
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
6.3.10 Other possible metrological characteristics
6.3.11 Auxiliary equipment
Figure 4 — Measuring loop in auxiliary equipment
6.4 Material measures — Identification of general metrological characteristics [Go to Page]
6.4.2 Scale interval — 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
6.4.6 Long term stability
6.4.7 Other possible metrological characteristics
6 Metrological characteristics [Go to Page]
6.1 General [Go to Page]
6.1.1 Importance of metrological characteristics
6.1.2 Standards for measuring equipment
6.1.3 Identification, definition and choice of metrological characteristics
6.1.4 Calibration and verification of measuring equipment
Figure 6 — Calibration and verification of metrological characteristics
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
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 — Commerce
6.1.7 Measuring equipment — Internal use in a company
6.2 Indicating measuring instruments [Go to Page]
6.2.1 General
6.2.2 Scale interval — 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
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
Figure 7 — Measurement loop involving auxiliary equipment
6.3 Material measures [Go to Page]
6.3.1 General
6.3.2 Scale interval — 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
6.3.6 Geometrical stability
6.3.7 Other possible metrological characteristics
7 Types of presentation and types of specifications for characteristics [Go to Page]
7.2 Presentation of characteristic curves — Fixed and floating zero [Go to Page]
7.2.1 General
7.2.2 Fixed zero or fixed reference point
Table 2 — Example of errors of indication for the same measuring equipment with different reference points
7.3 Presentation of a characteristic — Statistical
7.4 Specifications for single-value metrological characteristics
7.5 Specification for metrological characteristics defined in a range [Go to Page]
7.5.1 General
7.5.2 The MPE function is a constant value or values
7.5.3 The MPE function is a proportional value
7.5.4 The MPE function is a proportional value and a maximum value
7 Specification and presentation of metrological characteristics [Go to Page]
7.1 General
7.2 Specification of metrological characteristics [Go to Page]
7.2.1 General
7.2.2 Constant value MPE function
Figure 8 — Example of symmetrical MPE function with a constant value, c
7.2.3 Proportional value MPE function
Figure 9 — Example of symmetrical MPE function with a proportional value
7.2.4 Proportional and maximum value MPE function
Figure 10 — Example of symmetrical MPE function with a proportional value and a maximum value, c
7.3 Presentation of characteristic curves [Go to Page]
7.3.1 General
7.3.2 Presentation of characteristic curves – Reference point
Table 6 — 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 — Example of an error of indication curve
Figure 12 — Example of shifting the reference point in error of indication curves
8 Calibration of metrological characteristics [Go to Page]
8.1 Manufacturer and supplier of measuring instruments
8.2 User of measuring instruments
8.3 Measurement uncertainty
8 Calibration of metrological characteristics [Go to Page]
8.1 Manufacturer and supplier of measuring equipment
8.2 User of measuring equipment
8.3 Measurement uncertainty
9 Marking
9 Marking
10 GPS standards for specific measuring equipment
Annex A [Go to Page]
(normative) [Go to Page]
Title of the standard
Contents
Foreword
Introduction
Scope
Normative references
Terms and definitions
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
Informative annex — Relation to the GPS matrix model
Bibliography
— Title of the standard
— Contents
— Foreword
— Introduction
— Scope
— Normative references
— Terms and definitions
— Design characteristics
— Metrological characteristics and their MPEs and MPLs
— Acceptance test
— Measurement standards for the calibration of metrological characteristics
— Demonstration of conformance with metrological specifications
— Calibration and verification of metrological characteristics
— Normative/informative annexes
— Informative annex — Relation to the GPS matrix model
— Bibliography
Annex B [Go to Page]
(informative) [Go to Page]
B.1 Explanation
B.2 Contents of a data sheet
Annex B [Go to Page]
(informative) [Go to Page]
B.1 Explanation
B.2 Contents of a data sheet
Annex C [Go to Page]
(normative) [Go to Page]
C.1 Information about this International Standard and its use
C.2 Position in the GPS matrix model
Annex C [Go to Page]
(normative) [Go to Page]
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 [Go to Page]
C.6.1 General
C.6.2 Vernier scale [Go to Page]
C.6.2.1 General
C.6.2.2 Main scale and vernier scale
Figure C.1 — Example of analogue indicating device with vernier scale
Table C.1 — Graduating methods of vernier scales
Figure C.2 — 0,1 vernier scale interval of length 9 mm
Figure C.3 — 0,02 vernier scale interval of length 49 mm
Figure C.4 — Standard slider with vernier scale
Figure C.5 — Slider with vernier scale for reading without parallax error
a) Scale for multiple revolutions b) Scale for partial revolution
Figure C.6 — Example of circular scale marks
Figure C.7 — Scale reading with circular scale
Figure C.8 — Mechanical digital display
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 — Electronic scale on the beam and digital indication on the slider
D.2 Generally included — Reference standard
D.3 Generally not included
D.4 Rated operating condition — Interval
D.5 Rated operating condition — Exact value
D.6 User influences
D.7 User-provided quantity values
Annex E [Go to Page]
(informative) [Go to Page]
E.1 General
E.2 Information about this document and its use
E.3 Position in the GPS matrix model [Go to Page]
Table E.1 — Position in the GPS matrix model
E.4 Related standards
Bibliography
Bibliography
Tracked_Changes_Cover_Markup_new.pdf [Go to Page]
compares BS EN ISO 14978:2018 [Go to Page]
TRACKED CHANGES
Text example 1 — indicates added text (in green)
30341083_NEW.pdf [Go to Page]
undefined
Blank Page
Blank Page
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
3.1 ISO/IEC Guide 99:2007 terms
3.2 Synonym terms to ISO/IEC Guide 99:2007 terms
3.3 ISO/IEC Guide 98-4:2012 terms
3.4 ISO 14253-5:2015 terms
3.5 Terms related to GPS measuring equipment
4 Abbreviations
5 Design characteristics
5.1 General
5.1.1 Importance of design characteristics
5.1.2 Standards for measuring equipment
5.1.3 Measuring equipment — Commerce
5.1.4 Measuring equipment — Internal use in a company
5.2 Design characteristics for indicating measuring instruments
5.3 Design characteristics for material measures
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
6.1.4 Calibration and verification of measuring equipment
6.1.5 Calibration and verification methods
6.1.6 Measuring equipment — Commerce
6.1.7 Measuring equipment — Internal use in a company
6.2 Indicating measuring instruments
6.2.1 General
6.2.2 Scale interval — Resolution
6.2.3 Digital step
6.2.4 Error of indication
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
6.3 Material measures
6.3.1 General
6.3.2 Scale interval — 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
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
7.2.3 Proportional value MPE function
7.2.4 Proportional and maximum value MPE function
7.3 Presentation of characteristic curves
7.3.1 General
7.3.2 Presentation of characteristic curves – Reference point
8 Calibration of metrological characteristics
8.1 Manufacturer and supplier of measuring equipment
8.2 User of measuring equipment
8.3 Measurement uncertainty
9 Marking
10 GPS standards for specific measuring equipment
Annex A (normative) General minimum requirements and guidance for clauses in GPS standards for specific measuring equipment
Annex B (informative) Data sheet for measuring equipment requirements
Annex C (normative) Common design characteristics
Annex D (informative) Test uncertainty
Annex E (informative) Relation to the GPS matrix model
Bibliography [Go to Page]

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BS EN ISO 14978:2018 - TC Tracked Changes. Geometrical product specifications (GPS). General concepts and requirements for GPS measuring equipment, 2019

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