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JJG 1125-2016 English PDF

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JJG 1125-2016: Alarms and Detectors of Chloroethylene Gas
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Basic data

Standard ID JJG 1125-2016 (JJG1125-2016)
Description (Translated English) Alarms and Detectors of Chloroethylene Gas
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A61
Classification of International Standard 17.020
Word Count Estimation 15,156
Date of Issue 2016-06-27
Date of Implementation 2016-09-27
Regulation (derived from) Notice of the General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China 2016 No.16
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine
Summary This standard is applicable to the first inspection, subsequent verification and inspection of the vinyl chloride gas detection alarm (hereinafter referred to as the instrument) for measuring the content of vinyl chloride in the ambient air of the workplace.

JJG 1125-2016: Alarms and Detectors of Chloroethylene Gas

---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.
Alarms and Detectors of Chloroethylene Gas National Metrological Verification Regulation of the People's Republic of China Vinyl chloride gas detection alarm 2016-06-27 released 2016-09-27 implementation State Administration of Quality Supervision, Inspection and Quarantine issued Inspection procedure for vinyl chloride gas detection alarm Responsible unit. National Environmental Chemical Metrology Technical Committee The main drafting unit. Shandong Institute of Metrology Jinan Changqing computer application company Participated in the drafting unit. Xinjiang Uygur Autonomous Region Measurement and Testing Research Institute Gansu Institute of Metrology Jining City Metrology and Testing Institute This procedure entrusts the National Environmental Chemistry Metrology Technical Committee to explain The main drafters of this procedure. Sui Feng (Shandong Institute of Metrology) Yue Zonglong (Jinan Changqing computer application company) Guo Bo (Shandong Institute of Metrology) Participate in the drafters. Guo Li (Xinjiang Uygur Autonomous Region Measurement Test Institute) Guo Wei (Xinjiang Uygur Autonomous Region Measurement and Testing Institute) Shi Liyi (Gansu Institute of Metrology) Sun Wen (Jining City Metrology and Testing Institute)

table of Contents

Introduction (II) 1 Scope (1) 2 Overview (1) 3 Measurement performance requirements (1) 3.1 indication error (1) 3.2 Repetitive (1) 3.3 Response time (1) 3.4 Drift (1) 4 General technical requirements (1) 4.1 Appearance and structure (1) 4.2 Marking and marking (1) 4.3 Power check (2) 4.4 Insulation resistance (2) 4.5 Insulation strength (2) 4.6 alarm function (2) 5 Measuring instruments (2) 5.1 Test conditions (2) 5.2 Test items (2) 5.3 Verification method (3) 5.4 Processing of test results (5) 5.5 Test cycle (5) Appendix A Verification Record Format (6) Appendix B Certificate of Verification/Verification Result Page Format (8)

Introduction

This procedure is based on JJF1002-2010 "national measurement procedures for the preparation of rules", JJF1001-2011 "pass In the form of metrological terms and definitions ". The technical indicators of this manual reference GB 12358-2006 "Workplace environment gas detection alarm general technology Technical requirements "and HG/T 23006-1992" toxic gas detection alarm technical conditions and test methods "in the technology Requirements and methods. This order is the first release. Inspection procedure for vinyl chloride gas detection alarm

1 Scope

This procedure is applicable to the measurement of vinyl chloride gas detection alarm for vinyl chloride content in the ambient air of workplaces (below Referred to as the instrument) the first test, follow-up test and use of the inspection.

2 Overview

The detection principle of the instrument mainly includes electrochemical principle, photoionization (PID) principle and semiconductor principle. Mainly by the sensor, electronic circuit, alarm unit, display unit and other components. Sampling methods are inhaled and expanded Decentralized, use the way into fixed and portable.

3 Measurement performance requirements

3.1 indication error The indication error shall meet the requirements of Table 1. Table 1 indication of the value of the error Measuring range/(μmol/mol) Maximum allowable error 0 x≤50 ±5μmol/mol 50 x≤100 ±10% 3.2 Repeatability ≤ 3%. 3.3 Response time ≤ 160s. 3.4 drift 3.4.1 Zero drift. ± 3% (ratio to range or upper limit of test). 3.4.2 Range drift. ± 5% (ratio to range or upper limit of test).

4 General technical requirements

4.1 appearance and structure 4.1.1 The instrument shall not have any damage to the appearance of its normal operation. The surface of the newly manufactured instrument should be smooth and smooth Color coating uniform, no peeling rust phenomenon. 4.1.2 Instrument connection is reliable, the knob or button should be able to normal operation and control. 4.2 logo and logo Instrument name, model, factory name, factory time, number, etc. should be complete, clear. Used in explosion-proof places Should have explosion-proof signs and number.

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