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(Calibration specification for retroreflective coefficient measuring instrument for body reflective marking)
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Basic data
| Standard ID | JJF 1747-2019 (JJF1747-2019) |
| Description (Translated English) | (Calibration specification for retroreflective coefficient measuring instrument for body reflective marking) |
| Sector / Industry | Metrology & Measurement Industry Standard |
| Classification of Chinese Standard | A60 |
| Classification of International Standard | 17.180 |
| Word Count Estimation | 16,198 |
| Date of Issue | 2019 |
| Date of Implementation | 2019-12-27 |
| Issuing agency(ies) | State Administration for Market Regulation |
JJF 1747-2019: (Calibration specification for retroreflective coefficient measuring instrument for body reflective marking)
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Calibration specification for retroreflective coefficient measuring instrument for body reflective marking)
National Measurement Technical Specification of the People's Republic of China
Reflectance measuring instrument for body reflective marking
Calibration specifications
2019-09-27 release
2019-12-27 Implementation
Issued by the State Administration of Market Supervision and Administration
Retro-reflection for body reflective marking
Coefficient measuring instrument calibration specification
Centralized unit. National Legal Metrology Management Metrology Technical Committee
Main drafting unit. Anhui Institute of Metrology
3M China Limited
Chinese Academy of Metrology
Participated in the drafting unit. Zhejiang Zhejiang University Mingquan Technology Co., Ltd.
Gansu Institute of Metrology
Guangxi Zhuang Autonomous Region Metrology and Testing Institute
This specification entrusts the National Legal Metrology Management Metrology Technical Committee to interpret
The main drafters of this specification.
Wei Yuandong (Anhui Institute of Metrology)
Zhenhua Wang (3M China Limited)
Zheng Chundi (Chinese Academy of Metrology)
Participating drafters.
Wu Yong (Zhejiang Zhejiang Mingquan Technology Co., Ltd.)
Gao Decheng (Gansu Metrology Research Institute)
Cao Lei (Anhui Institute of Metrology)
Zhang Yuheng (Guangxi Zhuang Autonomous Region Metrology and Testing Institute)
table of Contents
Introduction (Ⅱ)
1 Scope (1)
2 References (1)
3 Terms and units of measurement (1)
3.1 Retroreflection (1)
3.2 Reference Center (1)
3.3 Reference axis (1)
3.4 Lighting axis (2)
3.5 Observation axis (2)
3.6 Angle of incidence β (2)
3.7 Observation angle α (2)
3.8 Luminous intensity coefficient R (2)
3.9 Retroreflection coefficient R′ (2)
4 Overview (2)
5 Metrological characteristics (2)
5.1 Indication error (2)
6 Calibration conditions (3)
6.1 Environmental conditions (3)
6.2 Measurement standards and other equipment (3)
7 Calibration items and calibration methods (3)
7.1 Calibration items (3)
7.2 Indication error calibration method (3)
8 Expression of calibration results (4)
8.1 Calibration data processing (4)
8.2 Calibration certificate (4)
8.3 Examples of uncertainty assessment of calibration results (4)
9 Recalibration time interval (5)
Appendix A Calibration Record of Retroreflectance Coefficient Measuring Instrument for Body Reflective Marking (Recommended Format) (6)
Appendix B. Calibration certificate content of calibration results (7)
Appendix C Example of Uncertainty Evaluation of Indication Error Calibration of Retroreflectance Coefficient Measuring Instrument for Body Reflective Marking (9)
Introduction
This specification is based on JJF 1001-2011 "General Measurement Terms and Definitions", JJF 1059.1-2012 "Measurement
"Basic series of specifications for the assessment and representation of certainty", JJF 1071-2010 "Rules for Compiling National Measurement and Calibration Specifications"
Make it.
This specification is mainly compiled with reference to GB/T 26377-2010 "Retroreflective Measuring Instrument".
This specification is the first release.
Calibration specification for retroreflective coefficient measuring instrument for body reflective marking
1 Scope
This specification is applicable to the calibration of the retroreflective coefficient measuring instrument for body reflective marking.
2 Reference documents
This specification refers to the following documents.
JJF 1546-2015 Calibration Standard for Retroreflective Standard Board
GB/T 26377-2010 retroreflective measuring instrument
For dated reference documents, only the dated version applies to this specification; for those without date references
The latest version (including all amendments) is applicable to this specification.
3 Terms and units of measurement
JJF 1546-2015 "Reference Standard Calibration Standard", GB/T 26377-2010 "Retroreflective Measuring Instrument"
The terms and definitions defined in and below apply to this specification.
3.1 Retroreflection
The reflected light returns from the direction close to the incident light and returns toward the light source (see Figure 1).
[GB/T 26377-2010, definition 3.1]
Figure 1 Retroreflective system terminology and optical test principle
3.2 Reference Center
When determining the characteristics of retroreflective materials, a point given at or near the center of the sample.
[GB/T 26377-2010, definition 3.2]
3.3 reference axis
It starts at the reference center and is perpendicular to the reflection line of the tested sample.
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