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JJG 1166-2019 English PDF

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US$509.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJG 1166-2019: Single Point Acoustic Doppler Current Measuring Instrument
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJG 1166-2019	509	Add to Cart	4 days	Single Point Acoustic Doppler Current Measuring Instrument	Valid

Similar standards

GB/T 3222.2 GB/T 3222.1 JJG 188 JJF 2012 JJG 1175 JJG 1172

Basic data

Standard ID: JJG 1166-2019 (JJG1166-2019)
Description (Translated English): Single Point Acoustic Doppler Current Measuring Instrument
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A59
Classification of International Standard: 17.140
Word Count Estimation: 23,237
Date of Issue: 2019
Date of Implementation: 2020-03-31
Issuing agency(ies): State Administration for Market Regulation

JJG 1166-2019: Single Point Acoustic Doppler Current Measuring Instrument

---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 Acoustic Doppler Current Current Single Point Measuring Instrument) National Measurement Verification Regulations of the People's Republic of China Acoustic Doppler current point measuring instrument Published on December 31,.2019 2020-03-31 Implementation Issued by the State Administration of Market Supervision and Administration Acoustic Doppler current point measuring instrument Verification regulations Focal point. National Technical Committee for Measuring Special Marine Measuring Instruments Main drafting unit. South China Sea Standard Metrology Center, State Oceanic Administration Participating in the drafting unit. Sun Yat-sen University Donghai Standard Measurement Center of State Oceanic Administration This Regulation is entrusted to the National Technical Committee for Measuring Special Marine Instruments for interpretation The main drafters of this regulation. Zhang Yuehong (South China Sea Standard Metrology Center, State Oceanic Administration) Qu Niandong (South China Sea Standard Metrology Center, State Oceanic Administration) Participating drafters. Jiemin Zhan (Zhongshan University) Zhao Xiuling (National Oceanic Administration East China Sea Standard Metrology Center) Weng Dexian (South China Sea Standard Metrology Center, State Oceanic Administration) Su Wei (Sun Yat-sen University) Tao Tao (Zhongshan University)

Introduction (Ⅱ) 1 Scope (1) 2 References (1) 3 Terms and units of measurement (1) 3.1 Terminology (1) 3.2 Unit of measurement (1) 4 Overview (1) 5 Measurement performance requirements (2) 6 General technical requirements (2) 7 Control of measuring instruments (2) 7.1 Verification conditions (2) 7.2 Verification items (3) 7.3 Verification method (4) 7.4 Processing of verification results (6) 7.5 Verification period (6) Appendix A Calculation of vehicle speed change rate (7) Appendix B Conversion of Standard Flow Rate (8) Appendix C. Acoustic Doppler Current Current Single Point Measuring Instrument Verification Record Table Format (9) Appendix D Format of the inner pages of the verification certificate (14) Appendix E Format of the inner page of the notice of verification result (16)

Introduction

The preparation of this regulation is based on JJF1001-2011 "General Measurement Terms and Definitions", JJG 1002-2010 "Country The "Measuring Verification Regulations Writing Rules" is formulated on the basis and basis. This regulation is issued for the first time. Verification Regulation of Acoustic Doppler Current Current Single Point Measuring Instrument

1 Scope

This regulation is applicable to acoustics with a flow direction measurement range of (0~360)° and a flow rate measurement range of (5~300) cm/s The first verification, subsequent verification and in-use inspection of Doppler current single-point measuring instrument.

2 Reference documents

This regulation refers to the following documents. JJG 1001-2011 General Measurement Terms and Definitions GB/T 15920-2010 Oceanographic terminology physical oceanography For dated references, only the dated versions are applicable to this Regulation; for those without dates The latest version (including all amendments) is applicable to this regulation.

3 Terms and units of measurement

3.1 Terminology The terms and definitions defined in JJG 1001-2001 and GB/T 15920-2010 are applicable to this regulation. 3.2 Unit of measurement 3.2.1 Flow rate unit. centimeters per second, symbol. cm/s. 3.2.2 Flow direction unit. degree, symbol. °.

4 Overview

Acoustic Doppler ocean current single-point measuring instrument (hereinafter referred to as "ocean current meter") is based on the principle of acoustic Doppler frequency shift, The transducer emits short acoustic pulses in the direction of the narrow beam and receives the scattered particles returned by the beam as it passes through the body of water Acoustic signals, use these signals to calculate the velocity and direction. The current meter can measure the current in the anchor/fixed state Measure the flow velocity and direction of the water body in the area of 0.4m~1.0m from the transducer at the installation depth. The working principle of the current meter is shown in Figure 1 As shown. Note. Scattered particulate matter usually refers to plankton, air bubbles, suspended sediment or organic matter, and particulate matter produced by human activities. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJG 1166-2019_English be delivered?

Answer: Upon your order, we will start to translate JJG 1166-2019_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 1166-2019_English with my colleagues?

Answer: Yes. The purchased PDF of JJG 1166-2019_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.