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JJF 1590-2016 English PDF

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US$649.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJF 1590-2016: Program of Pattern Evaluation of Differential Pressure Type Flowmeters
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 1590-2016	649	Add to Cart	5 days	Program of Pattern Evaluation of Differential Pressure Type Flowmeters	Valid

Similar standards

GB/T 36126 JJF 1368 GB/T 1885 JJF 1589 JJF 1591 JJF 1586

Basic data

Standard ID: JJF 1590-2016 (JJF1590-2016)
Description (Translated English): Program of Pattern Evaluation of Differential Pressure Type Flowmeters
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A53
Word Count Estimation: 28,270
Date of Issue: 2016-11-25
Date of Implementation: 2017-02-25
Regulation (derived from): State Administration of Quality Supervision, Inspection and Quarantine Notice No.116 of 2016
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine

JJF 1590-2016: Program of Pattern Evaluation of Differential Pressure Type Flowmeters

---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.
Program of Pattern Evaluation of Differential Pressure Type Flowmeters National Metrological Technical Code of the People's Republic of China Differential Pressure Flowmeter Type Evaluation Outline 2016-11-25 release 2017-02-25 Implementation State Administration of Quality Supervision, Inspection and Quarantine issued Differential Pressure Flowmeter Type Evaluation Outline Responsible Unit. National Traffic Capacity Measurement Technical Committee The main drafting unit. Jiangsu Province Institute of Metrology Beijing Institute of Metrology and Testing Participated in the drafting unit. Jiangyin City throttle plant Chongqing Institute of Measurement and Quality Inspection This specification entrusts the National Flow Capacity Measurement Technical Committee to explain The main drafters of this specification. Pan Le (Jiangsu Institute of Metrology) Huang Zhaohui (Jiangsu Institute of Metrology) Zhang lihe (Beijing Institute of Metrology and Measurement Science) Participate in the drafters. Cheng Haifeng (Jiangsu Institute of Metrology) Zhao pei (Jiangsu Institute of Metrology) Gao Biao (Chongqing Institute of Measurement and Quality Inspection) Yan Yongfeng (Jiangyin City Throttle Factory Co., Ltd.)

Introduction (Ⅲ) 1 Scope (1) 2 References (1) 3 terms, symbols, code (2) 4 Overview (2) 4.1 Use (2) 4.2 Principles (2) 4.3 Structure (2) 5 legal management requirements (2) 5.1 Technical information submitted by the applicant (2) 5.2 Units of measurement (3) 5.3 Metrics and Metals (3) 6 Metering requirements (3) 6.1 Metering performance of flowmeter (3) 6.2 Metering performance of differential pressure gauge or differential pressure transmitter (3) 6.3 Measurement performance of flow display instrument (3) 7 General technical requirements (3) 7.1 Identification and appearance requirements (3) 7.2 Explosion protection and protective performance requirements (4) 7.3 Compressive strength (4) 7.4 Insulation resistance (4) 7.5 Insulation strength (4) 7.6 Resistance to transport storage performance (for electronic instrument parts) (4) 7.7 Electromagnetic compatibility (for electronic instrument parts) (4) 7.8 Metrological performance test (5) 8 type evaluation item table (5) 9 Number and method of providing test prototype (5) 9.1 Number of test prototypes provided (5) 9.2 Use of the prototype (6) 10 Test methods and conditions for test items and data processing and eligibility criteria (6) 10.1 Conditions of test items (6) 10.2 Method of test project (6) 11 judgment of type evaluation result (14) 12 Measuring instruments and equipment for test items (14) Appendix A Measuring method of differential pressure flowmeter for measuring gas flow (16) Appendix B Estimation of fluid density error (18) Appendix C Movement Viscosity of Water (19) Appendix D Differential Pressure Flowmeter Type Evaluation Original Record (20) Appendix E.1990 International Standard Water Density (21)

Introduction

This specification is based on JJG640 "differential pressure flow meter verification procedures", GB/T 2624.1 "installed in the circular cross-section tube Road pressure in the measurement of full flow of fluid flow Part 1. general principles and requirements, "GB/T 2624.2" with security Measurement of full-flow fluid flow in differential pressure piping in circular cross-section piping Part 2. Orifice plate, GB/T 2624.3 "Measurement of full flow of fluid with differential pressure devices installed in circular cross-section piping Part 3. Nozzles and venturi spray Mouth ", GB/T 2624.4" Measurement of full flow of fluid with differential pressure devices installed in circular cross-section pipes Section 4 Points. Venturi tube "as the technical basis, combined with China's differential pressure flow meter industry status, the preparation of this type of evaluation It is suitable for the type evaluation of differential pressure flowmeter. This specification is prepared according to JJF 1016-2014 "Guidelines for the preparation of the Outline of Measuring Instruments". This specification is the first release. Differential Pressure Flowmeter Type Evaluation Outline

1 Scope

This outline applies to the classification code for the 12180500 differential pressure flow meter type evaluation, suitable for the orifice, Nozzles, venturi nozzles, venturi tubes, averages tubes, wedges and elbows, etc. as the type of differential pressure flowmeter Type evaluation.

2 References

The following standards, regulations, and specifications contained in this specification are incorporated by reference in their entirety. JJG229 industrial platinum and copper thermal resistance test procedures JJG640 differential pressure flowmeter verification procedures JJG860 pressure sensor (static) verification procedures JJG882 pressure transmitter verification procedures JJG1003 flow totalizer test procedures Standard Terminology and Definitions for JJF 1001-2011 JJF 1183 temperature transmitter calibration specification GB/T 2423.1 Environmental testing for electric and electronic products - Part 2. Test methods - Test A. Low temperature (idtIEC 60068-2-1..2007) GB/T 2423.2 Environmental testing for electric and electronic products - Part 2. Test methods - Test B. High temperature (idtIEC 60068-2-2..2007) GB/T 2423.3 Environmental testing for electric and electronic products - Part 2. Test methods - Test Cab. constant humidity Thermal test (idtIEC 60068-2-78..2001) GB/T 2423.10 Environmental testing for electric and electronic products - Part 2. Test methods - Test Fc. Vibration (Sinusoidal) (idtIEC 60068-2-6..1995) GB/T 2624.1 Measurement of full flow of fluid with differential pressure devices installed in circular cross-section piping Part 1 Points. general principles and requirements (idtISO 5167-1..2003) GB/T 2624.2 Measurement of full flow of fluid with differential pressure devices installed in circular cross-section piping Part 2 Points. orifice plate (idtISO 5167-2..2003) GB/T 2624.3 Measurement of full pipe flow with differential pressure devices installed in circular cross-section piping Part 3 Points. nozzle and venturi nozzle (idtISO 5167-3..2003) GB/T 2624.4 Measurement of full flow of fluid with differential pressure devices installed in circular cross-section piping Section 4 Points. Venturi tube (idtISO 5167-4..2003) GB 4208 enclosure protection class (IP code) (idtIEC 60529..2001) GB/T 17611 Measurement of fluid flow in closed conduits Terms and symbols GB/T 17626.2 Electromagnetic compatibility test and measurement technology Electrostatic discharge immunity test (idtIEC 61000-4-2..2001) ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJF 1590-2016_English be delivered?

Answer: Upon your order, we will start to translate JJF 1590-2016_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 JJF 1590-2016_English with my colleagues?

Answer: Yes. The purchased PDF of JJF 1590-2016_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.