JJG 1084-2013 English PDF

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JJG 1084-2013: Verification Regulation of Digital Barometers
Status: Valid

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Basic data

Standard ID: JJG 1084-2013 (JJG1084-2013)
Description (Translated English): Verification Regulation of Digital Barometers
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A53
Classification of International Standard: 17.100
Word Count Estimation: 18,196
Quoted Standard: JJG 875-2005; JJF 1001-2011; JJF 1008-2008
Regulation (derived from): ?AQSIQ Announcement 2013 No. 74;
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine
Summary: This standard applies to the measurement range (10 ~ 1200) hPa in the digital barometer (hereinafter referred to as the barometer) initial verification, follow-up test and use checks.

JJG 1084-2013: Verification Regulation of Digital Barometers

---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.
Verification Regulation of Digital Barometers State verification procedures People's Republic of China Digital Barometer Issued on. 2013-05-13 2013-08-13 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Digital barometer verification procedures Barometers Focal point. the National Technical Committee of pressure measurement Main drafting unit. China Meteorological Administration meteorological observation center China Baicheng Ordnance Test Center Participated in the drafting unit. Gansu Meteorological Information and Technology Equipment Support Center Shanghai Meteorological Information and Technical Assistance Center Anhui Provincial Meteorological Bureau atmospheric sounding technical support center The measurement procedure commissioned the National Technical Committee is responsible for interpreting pressure The main drafters of this procedure. Li Jianying (CMA Meteorological Observation Center) HE Xiao Lei (China Meteorological Administration meteorological observation center) For He Jun (China Meteorological Administration meteorological observation center) Qijiu Cheng (China Baicheng Ordnance Test Center) Drafters participate. Li Xiaofeng (Gansu Meteorological Information and Technology Equipment Support Center) Peng Hui (Shanghai Meteorological Information and Technical Assistance Center) Zhouchang Wen (Anhui Provincial Meteorological Bureau atmospheric sounding technical support center)

table of Contents

Introduction (Ⅱ) 1 Scope (1) 2. References (1) 3 units of measurement (1) 4 Overview (1) 5 metering performance requirements (1) 5.1 indication error (1) 5.2 Stability (2) 5.3 Return error (2) 6 General Requirements (2) 6.1 Appearance (2) 6.2 Function (2) 7 control of measuring instruments (2) 7.1 verification Conditions (2) 7.2 Verification Project (2) 7.3 Verification Methods (3) 7.4 Verification Results Processing (6) 7.5 test cycle (6) Appendix A barometer indication calibration record format (7) Appendix B test certificates/test results notice (within the page) format Page 2 (8) Appendix C calibration certificate (within the page) format section 3 (9) Appendix D Notice of test results (inside) format section 3 (10) Appendix E Working medium height difference caused by error correction method (11)

Introduction

JJF1002 "national verification procedures write rules", JJF1001 "common measurement terms and definitions" JJF1008 "Pressure measurement terminology and definitions" and JJF1059.1 "Evaluation and Expression of Uncertainty in Measurement" common Form the basis of the family of specifications developed by the present regulations. The regulations refer to the International Organization of Legal Metrology (OIML) R97 international recommendation of "barometer" (Barometers) and "Guide to Meteorological Instruments and Methods of Observation" (GuidetoMeteorologicalInstruments andMethodsofObservation) air pressure level measurement accuracy requirements of the formulation. This procedure error return The calculation method used R97 international recommendations "barometer" (Barometers) basic algorithm return error; this Practice metering performance requirements 0.03 main consideration for the WMO pressure level measurement accuracy requirements; this procedure Develop stability indices used JJG 875-2005 indicators stability "digital pressure gauge"; this procedure on a Examination given method and technical indicators were refined, additions and modifications. This procedure is the first release. Digital barometer verification procedures

1 Scope

The order applies to measuring range (10 - 1200) within hPa digital pressure gauge (hereinafter referred to as the barometer) of Initial verification, use and subsequent verification check. 2. References This procedure references the following documents. JJG 875-2005 digital pressure gauge JJF1001-2011 common measurement terms and definitions JJF1008-2008 pressure measurement terminology and definitions For dated references, only the dated edition applies to this procedure; undated reference documents Member, the latest edition (including any amendments) applies to this procedure. Unit 3 Barometric pressure is measured in hectopascals (hPa), or its decimal multiples units.

4 Overview

Barometer in digital form output (display) the magnitude of the pressure to atmospheric pressure measuring instruments (including integrated test Satisfy the above amount of the instrument in the form of atmospheric pressure measurement unit). Barometer of the overall type and structure can be divided into separate Type, typically used to measure atmospheric pressure. Its working principle shown in Figure 1, the pressure measured by the pressure transmission medium in Pressure sensor, the pressure sensor output a corresponding electrical signal, the pressure after the display processing by the signal processing unit Value. Figure 1 barometer works

5 metering performance requirements

5.1 Indication error Barometer indication error should meet the requirements of Table 1. Table 1 barometer of the level of accuracy with the maximum permissible error Accuracy class 0.01 0.02 0.03 0.04 0.05 0.1 0.2 0.5 The maximum permissible error/hPa ± 0.10 ± 0.20 ± 0.3 ± 0.4 ± 0.5 ± 1.0 ± 2.0 ± 5.0 ......

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