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JJG 1090-2023 English PDF

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Q: Should I purchase the latest version JJG 1090-2023?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJG 1090-2023 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$609.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJG 1090-2023: Inspecting Instruments for Railway Track
Status: Valid

JJG 1090: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJG 1090-2023	609	Add to Cart	5 days	Inspecting Instruments for Railway Track	Valid
JJG 1090-2013	1199	Add to Cart	5 days	Inspecting Instruments for for Railway Track	Obsolete

Similar standards

JJF 1030 JJF 1033 JJG 1091

Basic data

Standard ID: JJG 1090-2023 (JJG1090-2023)
Description (Translated English): Inspecting Instruments for Railway Track
Sector / Industry: Metrology & Measurement Industry Standard
Word Count Estimation: 30,317
Date of Issue: 2023-10-12
Date of Implementation: 2024-04-12
Issuing agency(ies): State Administration for Market Regulation

JJG 1090-2023: Inspecting Instruments for Railway Track

---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.
National Measurement Verification Regulations of the People's Republic of China Railway track inspection instrument Released on 2023-10-12 Implemented on 2024-04-12 Released by the State Administration for Market Regulation Calibration regulations for railway track inspection instruments Replace JJG 1090-2013 Responsible unit: National Technical Committee on Measurement of Measuring Instruments for Railway Special Purposes length technical committee Main drafting unit: Institute of Standards and Metrology of China Academy of Railway Sciences Group Co:, Ltd: Jiangxi Riyueming Measurement and Control Technology Co:, Ltd: Technical Supervision Office of China Railway Shanghai Bureau Group Co:, Ltd: Unit participating in the drafting: Chengdu Sifang Ruibang Measurement and Control Technology Co:, Ltd: Sichuan Jinlixin Railway Equipment Co:, Ltd: This regulation is entrusted to the National Railway Special Measuring Instruments Measurement Technical Committee Railway Special Length Division The technical committee is responsible for explaining The main drafter of this regulation: Guo Yishi (Institute of Standards and Metrology, China Academy of Railway Sciences Group Co:, Ltd:) Wang Yanchun (Institute of Standards and Metrology, China Academy of Railway Sciences Group Co:, Ltd:) Zhu Hongtao (Jiangxi Riyueming Measurement and Control Technology Co:, Ltd:) Wu Wenting (Technical Supervision Office of China Railway Shanghai Bureau Group Co:, Ltd:) Participating drafters: Fan Shangjun (Chengdu Sifang Ruibang Measurement and Control Technology Co:, Ltd:) Li Shejun (Sichuan Jinlixin Railway Equipment Co:, Ltd:)

Introduction(Ⅱ) 1 Scope(1) 2 Cited documents(1) 3 terms(1) 4 Overview(1) 5 Measurement performance requirements (2) 5:1 Measuring force of rail gauge measuring device (2) 5:2 Effective height of track gauge and track direction measurement points (2) 5:3 Runout of the working surfaces of each measuring wheel and positioning wheel (2) 5:4 Coplanarity of the working busbars of each rail top positioning wheel (2) 5:5 Consistency of orbit and high and low zero positions (2) 5:6 Gauge indication(2) 5:7 Ultra-high indication(3) 5:8 Basic string height indication(3) 5:9 Basic chord-orbit direction indication(3) 5:10 Track external geometric parameter measurement device (3) 5:11 Insulation performance(4) 5:12 Laser power(4) 5:13 Power supply adaptability(4) 5:14 Indication stability(4) 5:15 Reliability of repeated assembly and reset (4) 5:16 Line test(5) 6 General technical requirements(5) 6:1 Appearance(5) 6:2 Interaction of various parts (6) 6:3 Software and data logging(6) 7 Measuring instrument control(7) 7:1 Verification conditions (7) 7:2 Verification items (8) 7:3 Calibration method(9) 7:4 Processing of verification results (15) 7:5 Calibration cycle(15) Appendix A Technical requirements and measurement methods for railway track inspection instrument calibrators (16) Appendix B Railway track inspection instrument calibration record reference format (19) Appendix C Calibration certificate and calibration result notification inner page format (22) Appendix D Original measurement records of railway track inspection instrument calibrator (24)

Introduction

JJF1001-2011 "General Metrology Terms and Definitions", JJF1002-2010 "Compilation of National Metrology Verification Regulations" Rules" and JJF1059:1-2012 "Evaluation and Expression of Measurement Uncertainty" jointly form the basis for formulating this regulation Series specifications: This regulation is based on TB/T 3147-2020 "Railway Track Inspection Instrument" and JJG 1090-2013 "Railway Track Inspection Instrument": "Road and Track Inspection Instrument" is revised: Compared with JJG 1090-2013, the main technical changes except editorial modifications as follows: ---Modified the definition and verification method of "super high U-turn error"; ---Added the definitions of "rail top positioning wheel" and "rail positioning wheel"; ---Deleted the "surface roughness of each working wheel working surface" requirement and verification method; ---Added "measurement force of rail gauge measuring device" requirements and verification methods; ---Added the indication error requirements for the lateral deviation and vertical deviation of the Level 1 railway track inspection instrument, as well as the external Requirements for the stability of the indication value of the zero point of the local parameter; ---Modified software and data recording; ---Added the use of Global Navigation Satellite System (GNSS) satellite receivers as orbit external geometric parameter measurements device requirements; ---Modify the calibration method of the basic chord height indication and the basic chord rail direction indication of the Class B railway track inspection instrument; ---Added Appendix D railway track inspection instrument calibrator measurement original record format: Previous version releases of this procedure: ---JJG 1090-2013: Calibration regulations for railway track inspection instruments

1 Scope

This procedure is applicable to the initial calibration, subsequent calibration and in-use inspection of railway track inspection instruments: It can also be used for track Calibration of track gauge and superelevation parameters of geometric state measuring instrument:

2 cited documents

This procedure cites the following documents: JJG 100 full-station electronic speed tester JJG 425 level JJG 703 photoelectric distance meter JJG 1091 Railway track inspection instrument calibration bench JJF1118 Global Positioning System (GPS) receiver (geodedetic and navigation type) calibration specifications For dated references, only the dated version applies to this regulation; for undated references, only the dated version applies: The latest version (including all modification orders) shall apply to this regulation:

3 terms

The consistency of the forward and reverse measurement results of the railway track inspection instrument for superelevation, and the indication of the forward and reverse measurement results The absolute value of the algebraic sum of errors: Track gauge, track gauge change rate, superelevation, level, twist (triangular pit), track direction, height, positive vector and other track dimensions, Shape geometry parameters: Track position such as plane (lateral) and elevation (vertical) deviations of the track centerline and left and right rails relative to the design line Geometric parameters: 3:4 Basic string basalstring The actual working string when measuring with a railway track inspection instrument: The railway track inspection instrument is used to determine the position of the highest point of the rail rail top: The railway track inspection instrument is used to determine the position of the working wheel at a point 16mm below the highest point of the rail top:

4 Overview

Railway track inspection instrument (hereinafter referred to as "rail inspection instrument") is used for mobile measurement or optical long chord vector distance measurement of iron Static internal geometric parameters of road tracks, railway-specific measuring instruments for statically measuring external geometric parameters of specific points, including ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJG 1090-2023_English be delivered?

Answer: Upon your order, we will start to translate JJG 1090-2023_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of JJG 1090-2023_English with my colleagues?

Answer: Yes. The purchased PDF of JJG 1090-2023_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version JJG 1090-2023?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJG 1090-2023 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.