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JJG 1169-2019 English PDF

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JJG 1169-2019: Flue Gas Samplers
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Basic data

Standard ID JJG 1169-2019 (JJG1169-2019)
Description (Translated English) Flue Gas Samplers
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A61
Classification of International Standard 17.020
Word Count Estimation 16,129
Date of Issue 2019
Date of Implementation 2020-03-31
Issuing agency(ies) State Administration for Market Regulation

JJG 1169-2019: Flue Gas Samplers

---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.
Flue Gas Samplers National Measurement Verification Regulations of the People's Republic of China Flue gas sampler Published on December 31,.2019 2020-03-31 Implementation Issued by the State Administration of Market Supervision and Administration Verification Regulation of Flue Gas Sampler Focal point. National Technical Committee for Environmental Chemometrics Main drafting unit. Qingdao Institute of Metrology and Technology Qingdao Haina Photoelectric Environmental Protection Co., Ltd. China Testing Technology Research Institute Chinese Academy of Metrology Participated in the drafting unit. Hebei Institute of Metrology Qingdao Minghua Electronic Instrument Co., Ltd. Qingdao Borui Photoelectric Technology Co., Ltd. This regulation is entrusted to the National Environmental Chemometrics Technical Committee for interpretation The main drafters of this regulation. Xia Chun (Qingdao Metrology Research Institute) Qu Zhonghua (Qingdao Haina Photoelectric Environmental Protection Co., Ltd.) Gan Rong (China Institute of Testing Technology) Zhang Wenge (Chinese Academy of Metrology) Participating drafters. Fang Jing (Hebei Institute of Metrology) Dou Hao (Qingdao Minghua Electronic Instrument Co., Ltd.) Guo Zhenduo (Qingdao Borui Optoelectronics Technology Co., Ltd.)

table of Contents

Introduction (Ⅱ) 1 Scope (1) 2 Overview (1) 3 Measurement performance requirements (1) 3.1 Flow indication error (1) 3.2 Flow repeatability (1) 3.3 Flow stability (1) 3.4 Timing error (1) 3.5 Indication error of temperature in front of the flowmeter (1) 3.6 Indication error of pressure in front of the flowmeter (1) 3.7 Atmospheric pressure indication error (1) 4 General technical requirements (1) 4.1 Appearance and power-on inspection (1) 4.2 Pumping capacity (2) 4.3 Airtightness (2) 4.4 Insulation resistance (2) 5 Control of measuring instruments (2) 5.1 Verification conditions (2) 5.2 Verification items (2) 5.3 Verification method (3) 5.4 Processing of verification results (6) 5.5 Verification period (6) Appendix A Verification Record Format of Flue Gas Sampler (7) Appendix B Format of the inner pages of the certificate of verification/notification of verification results (9)

Introduction

This regulation is based on JJF1002-2010 "Rules for Compiling National Measurement Verification Regulations", JJF1001-2011 "Tong Written in "Terms and Definitions of Measurement" and JJF1059.1-2012 "Measurement Uncertainty Evaluation and Representation". This regulation refers to GB/T 16157 "Measurement of Particulate Matter in Exhaust from Fixed Pollution Sources and Sampling Method for Gaseous Pollutants" Law "and HJ/T 47" Technical Conditions of Flue Gas Sampler "related technical requirements and methods. This regulation is issued for the first time. Verification Regulation of Flue Gas Sampler

1 Scope

This regulation is applicable to the collection of gaseous pollutants in the exhaust of fixed pollution sources such as flues, chimneys and exhaust pipes and the sampling flow The first verification, follow-up verification and in-use inspection of the flue gas sampler whose volume is not more than 2.0L/min.

2 Overview

The flue gas sampler is used to collect harmful components (SO2, NOx, NH3, Hg, etc.) dedicated sampling instruments, mainly by flow measurement and control system, air pump, sampling tube Road and absorption device. The working principle of the flue gas sampler (hereinafter referred to as the instrument) is to use the suction pump to pass the sample gas through the set flow rate. The sampling pipeline is drawn into the absorption device, and the measurement control system according to the flow, pressure and temperature detected by various sensors Calculation of other parameters, control the suction pump to maintain the corresponding sampling flow, and complete the quantitative sampling according to the set sampling time Set requirements.

3 Measurement performance requirements

3.1 Flow indication error ± 5%. 3.2 Flow repeatability ≤2%. 3.3 Flow stability ≤5%. 3.4 Timing error ± 2s. 3.5 Temperature indication error in front of the flowmeter ± 2 ℃. 3.6 Indication error of pressure in front of the flowmeter ± 0.5kPa. 3.7 Atmospheric pressure indication error ± 0.5kPa.

4 General technical requirements

4.1 Appearance and power-on inspection 4.1.1 The instrument should have a complete structure, complete components and reliable connections, without external damage that would affect the normal operation of the instrument. 4.1.2 After the instrument is turned on, the buttons and switches should be adjusted flexibly, and the digital display should be clear and complete. 4.1.3 The nameplate of the instrument shall have the name, model, factory number, date of manufacture, measuring range, maximum allowable error,

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