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JJF 2002-2022 English PDF

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US$399.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJF 2002-2022: Calibration Specification for Laser Markers
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 2002-2022	399	Add to Cart	4 days	Calibration Specification for Laser Markers	Valid

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Basic data

Standard ID: JJF 2002-2022 (JJF2002-2022)
Description (Translated English): Calibration Specification for Laser Markers
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A60
Word Count Estimation: 19,167
Date of Issue: 2022-12-07
Date of Implementation: 2023-06-07
Issuing agency(ies): State Administration for Market Regulation

JJF 2002-2022: Calibration Specification for Laser Markers

---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 Metrology Technical Specifications of the People's Republic of China Calibration Specifications for Laser Line Markers Released on 2022-12-07 2023-06-07 Implementation Released by the State Administration for Market Regulation Calibration Specifications for Laser Line Markers Responsible unit. National Measurement and Testing Technical Committee for Surveying, Mapping and Geographic Information Main drafting unit. Zhejiang Institute of Metrology China Institute of Metrology Shanghai Institute of Metrology and Testing Technology Participating in the drafting unit. Suzhou Futian Laser Precision Instrument Co., Ltd. Guangxi Zhuang Autonomous Region Institute of Metrology and Testing Beijing Late Laser Precision Instrument Co., Ltd. This specification entrusts the National Surveying and Mapping Geographical Information Metrology and Testing Technical Committee to be responsible for interpretation The main drafters of this specification. Jin Ting (Zhejiang Institute of Metrology) Li Jianshuang (National Institute of Metrology) Feng Zhang (Shanghai Institute of Metrology and Testing Technology) Participating drafters. Wang Gaosheng (Suzhou Futian Laser Precision Instrument Co., Ltd.) Liang Qi (Guangxi Zhuang Autonomous Region Institute of Metrology and Testing) Liu Hongyun (Beijing Late Laser Precision Instrument Co., Ltd.) Wang Yinghui (Zhejiang Institute of Metrology)

Introduction (Ⅱ) 1 Scope(1) 2 References(1) 3 terms(1) 4 Overview(2) 5 Metrological characteristics(3) 6 Calibration conditions(3) 6.1 Environmental conditions (3) 6.2 Measuring standards and other equipment (3) 7 Calibration Items and Calibration Methods(3) 7.1 Horizontal laser line error(4) 7.2 Horizontal laser line emission angle error (4) 7.3 Horizontal laser line compensation error (5) 7.4 Vertical laser line error(5) 7.5 Orthogonality error of vertical laser line(5) 7.6 Lower alignment error(6) 8 Calibration result expression(6) 9 Recalibration interval(6) Appendix A Calibration Record and Calculation Example(7) Appendix B Calibration Certificate Inner Page Format (10) Appendix C Example of Uncertainty Evaluation of Measurement Results of Horizontal Laser Line Error of Laser Marking Instrument (11)

Introduction

JJF 1001-2011 "General Metrology Terms and Definitions", JJF 1059.1-2012 "Assessment and Definition of Measurement Uncertainty" Indication", JJF 1094-2002 "Characteristics Evaluation of Measuring Instruments", JB/T 11665-2013 "Laser Line Marking Instrument" It constitutes the basic series of specifications formulated by this specification. This specification is published for the first time. Calibration Specifications for Laser Line Markers

1 Scope

This specification applies to the calibration of laser line markers.

2 References

This specification references the following documents. JJF 1071-2010 National Metrology Calibration Standard Compilation Rules For dated references, only the dated version applies to this specification; for undated references document, its latest version (including all amendments) applies to this specification.

3 terms

3.1 horizontal laser line error horizontallineerror The angle between the projection line of the horizontal laser sector emitted by the laser marking instrument on the vertical plane and the horizontal line. Note. The included angle α is shown in Figure 1. Figure 1 Schematic diagram of horizontal laser marking 1-Plumb plane; 2-Horizontal line; 3-Horizontal laser sector; 4-Horizontal plane; 5-Laser marking instrument The dihedral angle formed by the horizontal laser sector emitted by the laser marking instrument and the horizontal reference plane. Note. Dihedral angle δ is shown in Figure 1. Within the compensation range of the compensator, the amount of change in the emission angle error of the horizontal laser line when the laser marking instrument is tilted. 3.4 vertical laser line error verticallineerror The angle between the projection line of the vertical laser sector emitted by the laser marking instrument on the vertical plane and the vertical line. Note. The included angle β is shown in Figure 2. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJF 2002-2022_English be delivered?

Answer: Upon your order, we will start to translate JJF 2002-2022_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of JJF 2002-2022_English with my colleagues?

Answer: Yes. The purchased PDF of JJF 2002-2022_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.