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BS EN IEC 61757:2018 – TC:2020 Edition

BS EN IEC 61757:2018 – TC:2020 Edition

$217.84

Tracked Changes. Fibre optic sensors. Generic specification

Published By Publication Date Number of Pages
BSI 2020 93
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IEC 61757:2018 is a generic specification covering optical fibres, components and sub-assemblies as they pertain specifically to fibre optic sensing applications. It has been designed to be used as a common working and discussion tool by the vendors of components and subassemblies intended to be integrated in fibre optic sensors, as well as by designers, manufacturers and users of fibre optic sensors independent of any application or installation. The objective of this document is to define, classify and provide the framework for specifying fibre optic sensors, and their specific components and subassemblies. The requirements of this document apply to all related fibre optic sensor standards which belong to IEC 61757 (all parts). Standards of IEC 61757 (all parts) contain requirements specific to sensors for particular quantities subject to measurement, and for a particular style or variant of such a fibre optic sensor. Keywords: fibre optic sensors

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PDF Pages PDF Title
51 undefined
54 Annex ZA(normative)Normative references to international publicationswith their corresponding European publications
58 English
CONTENTS
61 FOREWORD
63 INTRODUCTION
64 1 Scope
2 Normative references
66 3 Terms and definitions
68 Figures
Figure 1 – Fibre optic sensor configuration with a passive sensing elementand separate fibre leads for optical input and output
Figure 2 – Fibre optic sensor configuration with an active sensing elementand one optical fibre lead for optical output
69 Figure 3 – Fibre optic sensor configuration with a passive sensing elementand one fibre lead for optical input and output
73 4 Quality assurance
5 Test and measurement procedures
5.1 General
5.2 Standard conditions for testing
74 5.3 Test and measurement equipment requirements
5.4 Visual inspection
5.5 Dimensions
5.6 Metrological properties
5.6.1 General
75 5.6.2 Metrological parameters
5.7 Optical tests
5.7.1 General
5.7.2 Optical power
5.7.3 Nominal wavelength and appropriate spectral characteristics
5.7.4 State of polarization
5.7.5 Fibre connector performance
5.8 Electrical tests
5.8.1 General
76 5.8.2 Parameters and test procedures
5.8.3 Voltage stress
5.9 Mechanical tests
5.9.1 General
5.9.2 Parameters and test procedures
Tables
Table 1 – Electrical test parameters and procedures
77 5.10 Climatic and environmental tests
5.10.1 General
5.10.2 Parameters and test procedures
Table 2 – Mechanical test parameters and procedures
78 5.11 Susceptibility to ambient light
5.12 Resistance to solvents and contaminating fluids
6 Classification
6.1 General
Table 3 – Climatic and environmental test parameters and procedures
79 6.2 Measurand
6.2.1 General
6.2.2 Presence/absence of objects or features
6.2.3 Position
6.2.4 Rate of positional change
6.2.5 Flow
6.2.6 Temperature
6.2.7 Force per directional vector
80 6.2.8 Force per area
6.2.9 Strain
6.2.10 Electromagnetic quantities
6.2.11 Ionizing and nuclear radiation
6.2.12 Other physical properties of materials
6.2.13 Composition and specific chemical quantities
6.2.14 Particulates
6.2.15 Imaging
6.3 Transduction principle
6.3.1 General
6.3.2 Active generation of light
6.3.3 Atom-field interaction
81 6.3.4 Coherence modulation
6.3.5 Intensity modulation
6.3.6 Optical spectrum modulation
6.3.7 Phase modulation
6.3.8 Polarization modulation
6.4 Spatial distribution
6.5 Interface level
7 Marking, labelling, packaging and instruction manual
7.1 Marking of component
82 7.2 Marking of sealed package and instruction manual
8 IEC type designation
9 Safety aspects
9.1 General
9.2 Personal safety
9.3 Safety in explosive environment
10 Ordering information
11 Drawings
83 Annex A (informative) Examples of fibre optic sensors
A.1 General
A.2 Presence/absence of objects or features
A.2.1 Limit sensor (button, lever, key)
A.2.2 Level
A.2.3 Proximity
A.2.4 Photo-interruption
84 A.3 Position
A.3.1 Linear position
A.3.2 Angular position
A.3.3 Proximity
A.3.4 Zone (area)
A.3.5 Dimensional
A.4 Rate of positional change
A.4.1 Linear speed or velocity
A.4.2 Rotational speed or velocity
85 A.4.3 Gyroscope
A.4.4 Linear acceleration
A.4.5 Rotational acceleration
A.5 Flow
A.6 Temperature
86 A.7 Force per directional vector
A.7.1 Seismic
A.7.2 Vibration
A.7.3 Torque
A.7.4 Weight
A.8 Force per area
A.8.1 Acoustic
A.8.2 Pressure
87 A.9 Strain
88 A.10 Electromagnetic quantities
A.10.1 Magnetic field
A.10.2 Electrical current
A.10.3 Electric field
A.10.4 Voltage
89 A.10.5 Electromagnetic radiation
A.11 Ionizing and nuclear radiation
A.12 Other physical properties of materials
A.12.1 Material refractive index
A.12.2 Density
A.12.3 Viscosity
A.12.4 Damage
A.13 Composition and specific chemical quantities
A.13.1 Chemical
90 A.14 Particulates
A.14.1 Count
A.14.2 Atomic
A.14.3 Turbidity
A.15 Spatial distribution
A.15.1 Single point
A.15.2 Multiple point
A.15.3 Integrating
A.15.4 Distributed
91 Bibliography

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BS EN IEC 61757:2018 - TC
$217.84