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JJG 1142-2017 English PDF

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US$459.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJG 1142-2017: Dynamic Pressure Standards
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJG 1142-2017	459	Add to Cart	4 days	Dynamic Pressure Standards	Valid

Similar standards

GB/T 36126 JJG 1107 GB/T 1885 JJG 1147 JJG 1134 JJG 1132

Basic data

Standard ID: JJG 1142-2017 (JJG1142-2017)
Description (Translated English): Dynamic Pressure Standards
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A53
Classification of International Standard: 17.100
Word Count Estimation: 20,226
Date of Issue: 2017-11-20
Date of Implementation: 2018-02-20
Quoted Standard: JJG 624-2005; JJG 860; JJF 1008-2008
Regulation (derived from): AQSIQ Notice 2017 No. 103
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine
Summary: This standard is applicable to the first verification, follow-up verification and in-use inspection of the first and second dynamic pressure standards.

JJG 1142-2017: Dynamic Pressure Standards

---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.
Dynamic Pressure Standards National metrological verification regulations of the People's Republic of China Dynamic Pressure Standard Published on.2017-11-20 2018-02-20 Implementation The State Administration of Quality Supervision, Inspection and Quarantine issued Dynamic Pressure Tester Verification Procedure Undertaking unit. National Pressure Measurement Technical Committee Drafted by. Beijing Great Wall Metrology and Measurement Technology Research Institute Participated in drafting. Shanghai Institute of Metrology and Measurement Technology Shenyang Aircraft Design Institute This procedure entrusts the National Pressure Measurement Technical Committee to explain The main drafters of this regulation. Tension (Beijing Great Wall Metrology and Measurement Technology Institute) Li Cheng (Beijing Great Wall Metrology and Measurement Technology Institute) Liu Jing (Beijing Great Wall Metrology and Measurement Technology Institute) Participating drafters. Tu Limeng (Shanghai Measurement and Measurement Technology Research Institute) Li Dechun (Shenyang Aircraft Design Institute)

Introduction (II) 1 Scope (1) 2 References (1) 3 Terms and units of measure (1) 3.1 Terms (1) 3.2 Units of measurement (2) 4 Overview (2) 4.1 Shock Tube Pressure Standards (2) 4.2 Quick Open Valve Pressure Standard (3) 4.3 Sine Pressure Standards (3) 4.4 Pulse Pressure Standards (4) 5 Metrological performance requirements (5) 5.1 Shock Tube Pressure Standards Requirements (5) 5.2 Quick Open Valve Pressure Standard Requirements (5) 5.3 Sine Pressure Pressure Standard Requirements (5) 5.4 Pulse Pressure Standard Requirements (5) 6 General technical requirements (6) 7 Measuring Instruments Control (6) 7.1 Verification conditions (6) 7.2 Verification Projects (6) 7.3 Verification Methods (7) 7.4 Processing of verification results (10) 7.5 Certification Period (10) Appendix A Verification Record Format (11) Appendix B Verification Certificate and Validation Results Notification Form (13)

Introduction

JJF1002 Rules for the Preparation of National Metrological Verification Rules, JJF1001 General Survey Terms and Definitions, JJF1008 "Pressure Measurement Terminology and Definition" together constitutes the basic series supporting the establishment of this regulation. specification. This regulation stipulates first and second shock tube pressure standards, quick opening valve pressure standards, and sinusoidal pressure standards The main technical indicators, verification requirements, and verification methods for pulse pressure stan- dards. This regulation is issued for the first time. Dynamic Pressure Tester Verification Procedure

1 Scope

This procedure is applicable to the first verification, subsequent verification and in-use inspection of first and second dynamic pressure standards.

2 references

JJG 624-2005 Dynamic Pressure Sensor JJG 860 Pressure Sensor (Static) JJF1008-2008 Pressure Measurement Terminology and Definition For dated references, only the dated version applies to this procedure; any undated references The latest version (including all amendments) is applicable to this procedure.

3 Terms and units of measure

3.1 Terms 3.1.1 dynamic measurement dynamicmeasurement To determine the measured instantaneous value and/or measured value over time during the measurement (or other influence) Change the measurements made. [JJF1008-2008, 10.5] 3.1.2 dynamic pressure dynamicpressure In the field studied, pressures change over time. [JJF1008-2008, 1.9] 3.1.3 Dynamic response characteristics dynamicresponsecharacteristics The dynamic characteristics of the output of a pressure sensor or pressure measurement system when excited by periodic or aperiodic signals. [JJF1008-2008, 10.7] 3.1.4 Rise time risetime When the pressure sensor is excited by the step pressure, its output value transitions from 10% of the step response amplitude value to 90%. time needed. [JJF1008-2008, 10.16] 3.1.5 Resonant frequency resonant frequency The pressure sensor outputs the frequency of the measured pressure signal with the maximum amplitude response. [JJF1008-2008, 10.12] 3.1.6 Platform pressure duration steppressureduration The duration of the step pressure amplitude remains stable. 3.1.7 phase shift phaseshift ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJG 1142-2017_English be delivered?

Answer: Upon your order, we will start to translate JJG 1142-2017_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 JJG 1142-2017_English with my colleagues?

Answer: Yes. The purchased PDF of JJG 1142-2017_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.