{"id":381334,"date":"2024-10-20T03:11:05","date_gmt":"2024-10-20T03:11:05","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iec-61757-5-12021\/"},"modified":"2024-10-26T05:46:39","modified_gmt":"2024-10-26T05:46:39","slug":"bs-en-iec-61757-5-12021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iec-61757-5-12021\/","title":{"rendered":"BS EN IEC 61757-5-1:2021"},"content":{"rendered":"
This document defines terminology, structure, characteristics and their measurement method including the procedures for an optical tilt sensor based on fibre Bragg gratings (FBGs) as the sensitive element.<\/p>\n
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2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
5<\/td>\n | Annex ZA (normative)Normative references to international publicationswith their corresponding European publications <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | English CONTENTS <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | INTRODUCTION <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | 4 Symbols <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | 5 Structure and characteristics 5.1 Fibre Bragg grating (FBG) 5.2 FBG tilt sensor configuration <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | Figures Figure 1 \u2013 Examples for measuring single axis tilt changes Figure 2 \u2013 Examples of Bragg wavelength change caused by tilt <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | 5.3 Reference wavelength 5.4 Stability behaviour 5.4.1 Drift and creep Figure 3 \u2013 Example of tilt sensor using FBG (schematic diagram) <\/td>\n<\/tr>\n | ||||||
17<\/td>\n | 5.4.2 Hysteresis 5.5 Test specimen 5.6 Indication of the measured values 5.7 Zero point related measurement 5.8 Non-zero point related measurement 5.9 Production set <\/td>\n<\/tr>\n | ||||||
18<\/td>\n | 5.10 FBG tilt sensor standard type 5.11 FBG tilt sensor series 6 Features and characteristics to be measured 6.1 Sampling and statistical evaluation 6.1.1 Sampling 6.1.2 Reporting the measuring result <\/td>\n<\/tr>\n | ||||||
19<\/td>\n | 6.1.3 Sample conditioning 6.1.4 Ambient test conditions 6.1.5 Required type of test for individual characteristics 6.2 Bragg wavelength \u03bb\u0392 6.2.1 General Table 1 \u2013 Required type of test for individual characteristics <\/td>\n<\/tr>\n | ||||||
20<\/td>\n | 6.2.2 Measuring procedure 6.2.3 Evaluation 6.2.4 Reporting 6.3 FBG spectral width 6.3.1 Measuring procedure 6.3.2 Evaluation 6.3.3 Reporting <\/td>\n<\/tr>\n | ||||||
21<\/td>\n | 6.4 FBG reflectivity 6.4.1 Measuring procedure 6.4.2 Evaluation 6.4.3 Reporting 6.5 Tilt measurement 6.5.1 Test set-up Figure 4 \u2013 Schematic diagram of tilt measurement system <\/td>\n<\/tr>\n | ||||||
22<\/td>\n | 6.5.2 Measuring procedure Figure 5 \u2013 Example of temperature dependence of the Bragg wavelengths of two FBGs <\/td>\n<\/tr>\n | ||||||
23<\/td>\n | 6.5.3 Calibration and evaluation Figure 6 \u2013 Example of tilt dependence of the Bragg wavelengths of FBG1 and FBG2 <\/td>\n<\/tr>\n | ||||||
24<\/td>\n | 6.6 Gauge factor \u03ba\u03b8 6.7 Temperature and humidity ranges 6.7.1 General 6.7.2 Measuring procedure <\/td>\n<\/tr>\n | ||||||
25<\/td>\n | 6.7.3 Evaluation 6.7.4 Reporting 7 Features and characteristics to be reported 7.1 Construction details 7.2 Configuration of the FBG tilt sensor 7.3 Temperature and humidity range 7.4 Connecting requirement 8 Recommendations for use of FBG measuring instruments <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Fibre optic sensors – Tilt measurement. Tilt sensors based on fibre Bragg gratings<\/b><\/p>\n |