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JJF 1451-2014 English PDF

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JJF 1451-2014: Program of Pattern Evaluation of Portable 3-cup Anemometer
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
JJF 1451-2014	English	579	Add to Cart	5 days [Need to translate]	Program of Pattern Evaluation of Portable 3-cup Anemometer	Valid	JJF 1451-2014

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Basic data

Standard ID	JJF 1451-2014 (JJF1451-2014)
Description (Translated English)	Program of Pattern Evaluation of Portable 3-cup Anemometer
Sector / Industry	Metrology & Measurement Industry Standard
Classification of Chinese Standard	A53
Classification of International Standard	17.100
Word Count Estimation	25,273
Date of Issue	2/14/2014
Date of Implementation	5/14/2014
Quoted Standard	JJG 431 DEM6; Q/QH008-91
Regulation (derived from)	?AQSIQ Announcement 2014 No. 17
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine
Summary	This Standard applies to portable mechanical wind anemometer cups (hereinafter referred to three cups of wind meter) of type evaluation.

JJF 1451-2014: Program of Pattern Evaluation of Portable 3-cup Anemometer

---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 Portable 3-cup Anemometer People's Republic of China National Metrology Technical Specifications Light wind anemometer cups pattern evaluation outline Issued on. 2014-02-14 2014-05-14 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Light wind anemometer cups Type Evaluation Outline Portable3-cup Anemometer Focal point. the National Technical Committee of pressure measurement Drafted by. China Meteorological Administration meteorological observation center China Baicheng Ordnance Test Center Shanghai Meteorological Information and Technical Assistance Center This specification commissioned the National Technical Committee of pressure measurement shall be interpreted The main drafters of this specification. Chang Shi Cong (CMA Meteorological Observation Center) Li Jianying (CMA Meteorological Observation Center) Zhangyan Kun (China Baicheng Ordnance Test Center) Peng Hui (Shanghai Meteorological Information and Technical Assistance Center) Drafters participate. Wang Youli (CMA Meteorological Observation Center) Feng Yuan (China Baicheng Ordnance Test Center)

Introduction (Ⅲ) 1 Scope (1) 2. References (1) 3 Overview (1) 4 legal management requirements (1) 4.1 units of measurement (1) 4.2 The maximum permissible error (1) 4.3 legal metrology marking and identification of measuring instruments (1) 4.4 Test Prototype (2) 5 measurement requirements (2) 5.1 Wind represents error (2) 5.2 meter wind measuring range (2) 5.3 Start vane wind speed (2) 5.4 Winds indicates error (2) 5.5 anemometer measurement error (2) 5.6 anemometer measurement range (2) 5.7 Start up wind speed wind cup (2) 5.8 the timing error timing mechanism (2) 6 General Requirements (2) 6.1 Appearance (2) 6.2 Mechanical properties (3) Storage temperature 6.3 (3) 7 Type Evaluation Project (3) 8 pilot projects test methods and conditions (3) 8.1 Wind represents error (3) 8.2 meter wind measuring range (4) 8.3 weathervane start Winds (5) 8.4 Winds indicates error (5) 8.5 anemometer measurement error (6) 8.6 anemometer measurement range (6) 8.7 Start up wind speed wind cup (7) 8.8 Timing Error timing mechanism (7) 8.9 Appearance (7) 8.10 Mechanical properties (8) 8.11 high and low temperature test (8) Type 9 Judgment principle results (9) Appendix A light wind anemometer cups Tabular type evaluate the original records (10) B light wind anemometer cups measuring error calculation appendix (16) Appendix C light wind anemometer cups measurement equipment manufacturing license examination prerequisites (17)

Introduction

JJF 1016 "Measuring Instruments type evaluation outline guidelines for the preparation", JJF 1001 "common measurement terms and definitions" JJF 1059 "Evaluation and Expression of Uncertainty in Measurement" basic series of regulations constitute support of the preparation of this syllabus Fan, outline the legal management requirements, metrological requirements and general technical requirements in accordance with JJF 1015-2002 "Measuring Instruments Type evaluation and type approval of universal norms "proposed. This specification is the first release. Light wind anemometer cups pattern evaluation outline

1 Scope

This type of evaluation framework applicable to mechanical light wind anemometer cups (hereinafter referred to as three cups of wind meter) of patterns Evaluation. 2. References JJG431DEM6 type light wind anemometer cups testing procedures Q/QH008-91 light wind anemometer cups These documents contain provisions which through reference in this syllabus constitute provisions of this outline. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply in this outline, however, encourage Whether the latest versions of these files according to the parties that this outline agreement. For undated references the , The latest versions apply to this outline.

3 Overview

Table for three cups of wind 30m/s or less Wind Speed measuring instruments, electric drives and portable without having special Point, mainly by wind direction and wind speed table tables. Compass wind at ground magnetic field, its north-south orientation of the geomagnetic poles reticle automatic alignment of the wind vane Under the influence, driving the pointer on the compass indicates the direction the wind. Anemometer wind speed sensor uses within the 60s in the wind Driven by integrating the rotation method, calculate the average wind speed in the time period, and the indication mechanism display.

4 legal management requirements

4.1 units of measurement Table should wind cups were used "m/s" "(°)" and "s" as the unit of wind speed, wind direction and time. 4.2 The maximum permissible error Wind direction cups table maximum permissible error of ± 10 °, wind speed maximum permissible error of ± (0.5m/s 0.02v). Note. v standard wind speed, m/s. 4.3 legal metrology marking and measuring instruments logo 4.3.1 legal metrology flags include the following. --- Measurement equipment manufacturing license logo and number (test prototype should stay out of the corresponding position); --- Wind cups table type approval symbol and serial number (test prototype should stay out of the corresponding position; this entry is not mandatory provisions set); --- Product certification, and India (this may be provided separately from the main unit).

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