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JJF 1719-2018 English PDF

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JJF 1719-2018: Calibration Specification for 3D Laser Scanner for Volume Measurements of Rail Tankers and Tank Containers
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JJF 1719-2018English509 Add to Cart 4 days [Need to translate] Calibration Specification for 3D Laser Scanner for Volume Measurements of Rail Tankers and Tank Containers Valid JJF 1719-2018

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Basic data

Standard ID JJF 1719-2018 (JJF1719-2018)
Description (Translated English) Calibration Specification for 3D Laser Scanner for Volume Measurements of Rail Tankers and Tank Containers
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A52
Word Count Estimation 22,266
Date of Issue 2018-12-25
Date of Implementation 2019-03-25
Regulation (derived from) State Administration of Markets, Announcement No. 34 of 2018
Issuing agency(ies) State Administration for Market Regulation

JJF 1719-2018: Calibration Specification for 3D Laser Scanner for Volume Measurements of Rail Tankers and Tank Containers


---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.
(Specification for calibration of 3D laser scanners for railway tank cars and tank containers) National Metrology Technical Specification Railway tanker and tank container volume 3D laser scanner calibration specification Published on.2018-12-25 2019-03-25 implementation State Market Supervisory Administration released Railway tanker and tank container volume 3D laser scanner calibration specification Focal point. National railway special measuring instrument measurement technical committee for railway Mechanics Subcommittee Main drafting unit. National Railway Tanker Volume Metering Station China Railway Corporation Science and Technology and Information Technology Department Institute of Standards and Metrology, China Railway Science Research Institute Group Co., Ltd. Participated in the drafting unit. Qilu sub-station of the national railway tanker volume metering station This specification entrusts the national railway special measuring instrument measurement technical committee railway special mechanics The committee is responsible for explaining The main drafters of this specification. Shao Xuejun (National Railway Tanker Volume Metering Station) Han Fuqiang (Department of Science and Technology and Information Technology, China Railway Corporation) Pang Qing (National Railway Tanker Volume Metering Station) Zhang Zhipeng (National Railway Tanker Volume Metering Station) Qi Chao (Standard Metrology Institute, China Railway Science Research Institute Group Co., Ltd.) Participate in the drafters. Wu Huijun (Standard Metrology Institute, China Railway Science Research Group Co., Ltd.) Qi Bin (National Railway Tanker Volume Metering Station Qilu Substation)

table of Contents

Introduction (II) 1 Scope (1) 2 References (1) 3 terms (1) 4 Overview (1) 5 Measurement characteristics (2) 5.1 Repeatability (2) 5.2 indication error (2) 6 Calibration conditions (2) 6.1 Environmental conditions (2) 6.2 Calibration Standards and Auxiliary Equipment (2) 7 Calibration method (3) 7.1 Preparation before calibration (3) 7.2 Repeatability (3) 7.3 indication error (3) 8 Calibration result expression (4) 9 re-study interval (4) Appendix A Calculation of tank volume by 3D laser scanning method (5) Appendix B Calibration Record (7) Appendix C Capacity Comparison Method Measurement Tank Reference Volume (9) Appendix D Volume Temperature Correction Formula (10) Appendix E Calibration Certificate Contents (11) Appendix F Evaluation of Measurement Uncertainty of Indication Error (12)

Introduction

This specification is based on JJF 1071-2010 "National Metrology Calibration Specification Writing Rules" and JJG140 "The volume of railway tank cars" was written. This specification is the first release. Railway tanker and tank container volume 3D laser scanner calibration specification

1 Scope

This specification applies to three-dimensional laser scanners for railway tank cars and tank containers (hereinafter referred to as "scanners"). calibration.

2 reference files

This specification refers to the following documents. JJG140-2018 railway tanker volume For dated references, only dated versions apply to this specification; undated quotations The latest version (including all amendments) applies to this specification.

3 terms

3.1 tank volume tankcapacity [JJG140-2018, 3.1] The volume below the horizontal cut surface at the top of the tank body surface at a standard temperature of 20 °C. 3.2 volume table tankcapacitytable Data sheet for the relationship between height and volume in railway tankers and tank containers at a standard temperature of 20 °C. 3.3 data processing software dataprocessingsoftware The computer program of the volume meter is obtained by calculating the volume of the railway tanker and the tank container according to the measuring point cloud. 3.4 Detection tank testingtank For the calibration of 3D laser scanners for railway tankers and tank containers, with specific models and volumes Railway tank cars and tank container tanks.

4 Overview

The scanner is used to measure the volume of railway tankers and tank containers (hereinafter referred to as "railway tankers, boxes"). scanning The outline of the instrument is shown in Figure 1. The principle is to scan the inner wall of the tank through 3D laser scanning technology, collect the point cloud, pass The data processing software is used to calculate the railway tank car and the tank volume meter. Figure 1 Schematic diagram of the scanner 1-battery; 2-data storage medium interface; 3-start/pause button; 4-display; 5-power button; 6-reflective filter; 7-laser emitter; 8-mounting base

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