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JJF 1554-2015 English PDF

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JJF 1554-2015: Program of Pattern Evaluation of Vortex Precession Fiowmeters
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PDF similar to JJF 1554-2015


Standard similar to JJF 1554-2015

GB/T 36126   JJF 1368   GB/T 1885   JJF 1560   JJF 1551   JJF 1550   

Basic data

Standard ID JJF 1554-2015 (JJF1554-2015)
Description (Translated English) Program of Pattern Evaluation of Vortex Precession Fiowmeters
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A53
Classification of International Standard 17.120
Word Count Estimation 27,259
Date of Issue 2015-12-07
Date of Implementation 2016-03-07
Quoted Standard JJF 1004; GB/T 2423.1; GB/T 2423.2; GB/T 2423.3; GB/T 2423.10; GB 4208; GB/T 17626.2; GB/T 17626.3; GB/T 17626.4; GB/T 17626.5; GB/T 17626.11
Regulation (derived from) ?AQSIQ 2015 Nian (No.148)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine
Summary This standard is applicable to type evaluation of precession vortex flowmeter with classification code 12181000.

JJF 1554-2015: Program of Pattern Evaluation of Vortex Precession Fiowmeters

---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 Vortex Precession Fiowmeters National Metrological Technical Code of the People's Republic of China Rotary vortex flowmeter type evaluation outline of VortexPrecessionFlowmeters 2015-12-07 released 2016-03-07 implementation State Administration of Quality Supervision, Inspection and Quarantine issued Rotary vortex flowmeter type evaluation outline of VortexPrecessionFlowmeters Responsible Unit. National Traffic Capacity Measurement Technical Committee The main drafting unit. China Institute of Metrology Zhejiang Institute of Metrology Participated in the drafting unit. Beijing Institute of Metrology and Testing Hunan Institute of Metrology and Testing Sinopec Group Company Flow Measurement Verification Station Jiangsu Province Quality and Technical Supervision Gas Flow Measurement and Testing Center Liaoning Institute of Metrology This specification entrusts the National Flow Capacity Measurement Technical Committee to explain The main drafters of this specification. Duan Huiming (China Institute of Metrology) Zhan Zhijie (Zhejiang Institute of Metrology) Participate in the drafters. Liu Jiapeng (Beijing Institute of Metrology and Measurement Science) To Dehua (Hunan Institute of Measurement and Testing) Wu Zhaoxi (China Petrochemical Corporation flow measurement test station) Xiao Hui (Jiangsu Province Quality and Technical Supervision Gas Flow Measurement and Testing Center) Liu Shangyu (Liaoning Institute of Metrology)

table of Contents

Introduction (Ⅲ) 1 Scope (1) 2 References (1) 3 Terminology (1) 3.1 Piezoelectric Sensors (1) 3.2 body (1) 3.3 K coefficient (1) 3.4 standard volume flow (1) 4 Overview (2) 4.1 Use (2) 4.2 Working principle (2) 4.3 Construction (2) 5 legal management requirements (2) 5.1 Unit of measurement (2) 5.2 External structural design (2) 5.3 logo (3) 6 Metrological performance requirements (3) 6.1 Accuracy class and maximum permissible error (3) 6.2 Repeatability (3) 7 General technical requirements (3) 7.1 Sealability (3) 7.2 Compressive strength (3) 7.3 Insulation resistance (3) 7.4 Insulation strength (4) 7.5 Explosion-proof performance (4) 7.6 Shell protection performance (4) 7.7 Storage Environment (4) 7.8 Electromagnetic Compatibility Adaptability (4) 8 type evaluation item table (5) 9 to provide the number of prototype and prototype use (6) 9.1 Test Specimen to be provided by the applicant (6) 9.2 Prototype Usage (6) Conditions and Methods for Type 10 Evaluation (6) 10.1 Measurement performance test (6) 10.2 Sealability test (9) 10.3 Compressive strength (9) 10.4 Insulation resistance (10) 10.5 Insulation strength (10) 10.6 Shell Protection Performance (11) 10.7 Storage Environment (11) 10.8 Electromagnetic Compatibility Adaptability (12) 11 Measuring instruments and equipment for test items (15) Appendix A Intake vortex flowmeter type evaluation Original recording format (reference) (17)

Introduction

This type of evaluation outline is developed according to the needs of the precession vortex flowmeter type evaluation work. Work is to follow the scientific, operational principles, according to JJF 1015-2014 "measuring instrument type evaluation General specification ", JJF 1016-2014" measuring instrument type evaluation outline preparation guidelines "requirements, according to GB/T 2423.1 "Environmental testing of electric and electronic products - Part 2. Test methods - Test A. Low temperature", GB/T 2423.2 "Electrotechnical Environmental testing of electronic products - Part 2. Test methods. Test B. High temperature, GB/T 2423.3 "Electrical and electronic Product environmental testing - Part 2. Test methods Cab. Constant damp heat test method, GB/T 2423.10 Industrial products - Environmental testing - Part 2. Test methods - Test Fc. Vibration (sine), GB/T 17626.2 Magnetic compatibility test and measurement technology Electrostatic discharge immunity test ", GB/T 17626.3" Electromagnetic compatibility test and Measurement technology Radio frequency electromagnetic field radiation immunity test ", GB/T 17626.4" Electromagnetic compatibility test and measurement technology Electrical fast transient burst immunity test ", GB/T 17626.5" Electromagnetic compatibility test and measurement technology Surge (Impact) immunity test ", GB/T 17626.11" Electromagnetic compatibility test and measurement technology Voltage sags, short time Interrupt and voltage changes in the immunity test ", combined with China's precession vortex flowmeter technology and industry status quo To develop. The outline for the first release. Rotary vortex flowmeter type evaluation outline

1 Scope

This type of evaluation outline for classification code for the 12181000 of the precession vortex flowmeter (hereinafter referred to as flow meter) The type of evaluation.

2 reference file

This specification refers to the following documents. JQF1004 flow meter noun terms and definitions GB/T 2423.1 Environmental testing for electric and electronic products - Part 2. Test methods - Test A. Low temperature GB/T 2423.2 Environmental testing for electric and electronic products - Part 2. Test methods - Test B. High temperature GB/T 2423.3 Environmental testing for electric and electronic products - Part 2. Test methods - Test Cab. constant humidity Thermal test method GB/T 2423.10 Environmental testing for electric and electronic products - Part 2. Test methods - Test Fc. Vibration (positive) string) GB 4208 enclosure protection class (IP code) Electromagnetic compatibility - Test and measurement techniques - Electrostatic discharge immunity test GB/T Electromagnetic compatibility - Testing and measurement techniques - Radiofrequency electromagnetic field radiation immunity test GB/T GB/T 17626.4 Electromagnetic compatibility test and measurement techniques Electrical fast transient burst immunity test GB/T 17626.5 Electromagnetic compatibility test and measurement technology Surge (impact) immunity test GB/T 17626.11 Electromagnetic compatibility test and measurement technology Voltage sags, short interruptions and voltage variations Immunity test Where the date of the reference documents, only the date of the version of the application of this specification; those who do not note the date of the reference file, The latest edition (including all modifications) applies to this specification.

3 terminology

In addition to the terms and definitions of JJF 1004, this specification uses the following terms. 3.1 Piezoelectric Sensors piezoelectricsensor Sensitive elements that detect vortex precession frequencies. 3.2 body body of the body Install the vortex generator, piezoelectric sensors and rectifiers and other components, and with the contraction and diffusion section of the pipe section. 3.3 K coefficient K-Coefficient When the volume of fluid flows through the flow meter, the number of pulses generated by the flowmeter. 3.4 standard volume flow normalized volumetricflowrate A volume flow rate of 20 ° C and a pressure of 101.325 kPa.

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