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JJF 1736-2018 English PDF

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US$789.00 · In stock
Delivery: <= 7 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJF 1736-2018: Program of Pattern Evaluation of Total Suspended Particulates Samplers
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 1736-2018	789	Add to Cart	7 days	Program of Pattern Evaluation of Total Suspended Particulates Samplers	Valid

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Basic data

Standard ID: JJF 1736-2018 (JJF1736-2018)
Description (Translated English): Program of Pattern Evaluation of Total Suspended Particulates Samplers
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A61
Classification of International Standard: 17.020
Word Count Estimation: 34,333
Date of Issue: 2018
Date of Implementation: 2019-03-25
Issuing agency(ies): State Administration for Market Regulation

JJF 1736-2018: Program of Pattern Evaluation of Total Suspended Particulates 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.
Program of Pattern Evaluation of Total Suspended Particulates Samplers National Measurement Technical Specification of the People's Republic of China Outline of Type Evaluation of Total Suspended Particulate Sampler 2018-12-25 release 2019-03-25 Implementation Issued by the State Administration of Market Supervision and Administration Total suspended particulate sampler Type evaluation outline Focal point. National Technical Committee for Environmental Chemometrics Main drafting unit. Shanghai Institute of Metrology and Testing Technology Participated in the drafting unit. Qingdao Metrology and Testing Institute Qingdao Laoshan Applied Technology Research Institute Shanghai Environmental Protection Product Quality Supervision and Inspection General Station This specification entrusts the National Environmental Chemometrics Technical Committee to interpret The main drafters of this specification. Junlei Hu (Shanghai Institute of Metrology and Testing Technology) Ding Zhenmin (Shanghai Institute of Metrology and Testing Technology) Liu Yue (Shanghai Institute of Metrology and Testing Technology) Participating drafters. Xia Chun (Qingdao Metrology and Testing Institute) Liang Zheng (Qingdao Laoshan Applied Technology Research Institute) Li Yafei (Shanghai Environmental Protection Product Quality Supervision and Inspection General Station) Yang Weihao (Shanghai Environmental Protection Product Quality Supervision and Inspection General Station)

Introduction (Ⅲ) 1 Scope (1) 2 References (1) 3 Overview (1) 3.1 The working principle of the sampler (1) 3.2 Structure of the sampler (1) 4 Legal management requirements (3) 4.1 Unit of measurement (3) 4.2 Mark (3) 5 Measurement requirements (3) 5.1 Flow indication error (3) 5.2 Flow repeatability (3) 5.3 Flow stability (3) 5.4 Timing error (3) 5.5 Temperature indication error (3) 5.6 Atmospheric pressure indication error (3) 5.7 Inlet size deviation (3) 5.8 Load capacity (3) 6 General technical requirements (3) 6.1 Appearance (3) 6.2 Adaptability of power supply voltage (3) 6.3 High temperature working test (4) 6.4 Low temperature working test (4) 6.5 Constant damp heat test (4) 7 Type evaluation project table (4) 8 Provide the number of prototypes and how to use them (5) 8.1 Number of prototypes provided (5) 8.2 How to use the prototype (5) 9 Test methods and conditions of test items, data processing and qualification criteria (5) 9.1 Flow indication error (5) 9.2 Flow repeatability (6) 9.3 Flow stability (6) 9.4 Timing error (7) 9.5 Temperature indication error (7) 9.6 Atmospheric pressure indication error (8) 9.7 Inlet size deviation (8) 9.8 Load capacity (9) 10 General technical requirements (9) 10.1 Appearance (9) 10.2 Adaptability of power supply voltage (10) 10.3 High temperature working test (10) 10.4 Low temperature working test (11) 10.5 Constant Damp Heat Test (11) 11 Table of measuring instruments and equipment used in the test project (12) 12 Type evaluation original record format (12) Appendix A Type Evaluation Record Format (13)

Introduction

This type evaluation outline is the technical specification for type evaluation of the total suspended particulate sampler, referring to JJG943- 2011 "Verification Regulations of Total Suspended Particulate Sampler", based on JJF 1015-2014 "General Evaluation of Measuring Instrument Type "Code" and "JJF 1016-2014" Guidelines for the Compilation of Type Appraisal Guidelines for Measuring Instruments "were prepared. This type evaluation outline is released for the first time. Outline of Type Evaluation of Total Suspended Particulate Sampler

1 Scope

This type of evaluation outline is applicable to the total suspended particulate sampler with classification code 46280000 (hereinafter referred to as sampling Device), including large flow (operating point flow is 1.05m3/min) and medium flow (working point flow is 100L/min) Type evaluation of class samplers. Samplers using other flow points can be implemented by reference.

2 Reference documents

This specification refers to the following documents. JJG943-2011 Verification Regulation of Total Suspended Particulate Sampler GB/T 11606-2007 Environmental testing methods of analytical instruments HJ/T 368-2007 Technical requirements for environmental protection products Calibrate the orifice for the total suspended particulate sampler Flowmeter HJ/T 374-2007 Technical requirements and detection methods of total suspended particulate sampler For dated reference documents, only the dated version applies to this outline; for those without date references The latest version (including all amendments) is applicable to this outline.

3 Overview

3.1 The working principle of the sampler A certain volume of air is passed through the sampler cutting head at a constant speed through the filter membrane of known mass, and the particles suspended in the air The object is retained on the filter membrane, and the total suspended particles in the air are determined according to the increased mass of the filter membrane and the volume of air passing through the filter membrane The concentration of particulate matter. 3.2 Structure of the sampler The key components are sampling head, filter material sampling clamp, exhaust power device, flow sensor, temperature sensor and Time controller and other components. 3.2.1 Large flow sampler 3.2.1.1 The dimensions of the high-flow sampler are shown in Figure 1. 3.2.1.2 The width of the sampling port of the large-flow sampler is required to be (4 ± 0.1) cm, the direction of the sampling port is downward, Evenly distributed around the main body. 3.2.1.3 The high-flow sampler should have good sealing performance, and the frame where the filter membrane clip is placed should be flat and no air leakage. There should be fastening devices between the top cover and the main body. The filter holder should be attached with a protective cover to protect the filter. Each sampler should provide two Set of filter clips. 3.2.2 Medium flow sampler 3.2.2.1 The sampling port of the medium flow sampler is oriented downwards and distributed evenly around the main body of the sampler. The sampling head size is shown in Figure 2. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJF 1736-2018_English be delivered?

Answer: Upon your order, we will start to translate JJF 1736-2018_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 7 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of JJF 1736-2018_English with my colleagues?

Answer: Yes. The purchased PDF of JJF 1736-2018_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.