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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 >
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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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