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JJG 1161-2019 English PDF

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JJG 1161-2019: Hydrogen Sulfide Gas Detectors for Mining
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Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
JJG 1161-2019	English	419	Add to Cart	4 days [Need to translate]	Hydrogen Sulfide Gas Detectors for Mining	Valid	JJG 1161-2019

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Basic data

Standard ID	JJG 1161-2019 (JJG1161-2019)
Description (Translated English)	Hydrogen Sulfide Gas Detectors for Mining
Sector / Industry	Metrology & Measurement Industry Standard
Classification of Chinese Standard	A61
Classification of International Standard	17.020
Word Count Estimation	19,171
Date of Issue	2019
Date of Implementation	2019-12-27
Issuing agency(ies)	State Administration for Market Regulation

JJG 1161-2019: Hydrogen Sulfide Gas Detectors for Mining

---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 Mine Hydrogen Sulfide Gas Detector) National Measurement Verification Regulations of the People's Republic of China Mine hydrogen sulfide gas detector 2019-09-27 release 2019-12-27 Implementation Issued by the State Administration of Market Supervision and Administration Mine hydrogen sulfide gas detector Verification regulations Focal point. National Technical Committee for Environmental Chemometrics Main drafting unit. National Mine Safety Measurement Station China Testing Technology Research Institute National Coal Mine Safety Measuring Instrument Product Quality Supervision and Inspection Center Participated in the drafting unit. National Coal Mine Dust Ventilation Safety Product Quality Supervision and Inspection Center China Coal Technology Industry Group Chongqing Research Institute Co., Ltd. The National Technical Commission for Environmental Chemometrics is responsible for the interpretation The main drafters of this regulation. Cao Libo (National Mine Safety Measurement Station) Qing Liu (China Institute of Testing Technology) Li Mei (National Coal Mine Safety Measuring Instrument Product Quality Supervision and Inspection Center) Participating drafters. Wu Huajian (National Mine Safety Measurement Station) Hu Zhifang (National Coal Mine Dust Ventilation Safety Product Quality Supervision and Inspection Center) Zhang Anran (National Coal Mine Dust Ventilation Safety Product Quality Supervision and Inspection Center) Shi Faqiang (China Coal Science and Industry Group Chongqing Research Institute Co., Ltd.)

Introduction (Ⅱ) 1 Scope (1) 2 Overview (1) 3 Measurement performance requirements (1) 3.1 Indication error (1) 3.2 Repeatability (1) 3.3 Response time (1) 3.4 Drift (1) 3.5 Signal transmission error (1) 4 General technical requirements (1) 4.1 Appearance and structure (1) 4.2 Marks and logos (2) 4.3 Power-on inspection (2) 4.4 Alarm function and alarm action value check (2) 4.5 Insulation resistance (2) 5 Control of measuring instruments (2) 5.1 Verification conditions (2) 5.2 Verification items (3) 5.3 Verification method (4) 5.4 Processing of verification results (7) 5.5 Verification period (7) Appendix A Technical Requirements for Simulation Circuit (8) Appendix B. Mine Hydrogen Sulfide Gas Detector Measurement Verification Original Record Form (9) Appendix C Format of the inner pages of the verification certificate/certification result notice (11)

Introduction

This regulation is written in accordance with the requirements and format of JJF1002-2010 "Rules for the Compilation of National Metrology Verification Regulations". The main technical indicators of this regulation refer to MT1084-2008 "Hydrogen Sulfide Detection Alarm for Coal Mine". This regulation is issued for the first time. Verification Regulation of Mine Hydrogen Sulfide Gas Detector

1 Scope

This regulation is applicable to the first verification, subsequent verification and use of the hydrogen sulfide gas detector in the mine operating environment an examination.

2 Overview

The hydrogen sulfide gas detector (hereinafter referred to as the detector) is mainly composed of the detection unit (gas chamber, sensitive components, etc.) Signal processing transmission unit, display unit, etc., through the sensitive element to convert the concentration of hydrogen sulfide gas into an electrical signal, and then After the signal processing and transmission unit, the display unit finally displays the hydrogen sulfide concentration value. The detector is divided into diffusion type and suction type according to the sampling method, and is divided into portable and fixed type according to the use method. Fixed The detector has an electric signal output function.

3 Measurement performance requirements

3.1 Indication error The indication error of the detector should meet the requirements of Table 1. Table 1 Indication error of detector Measuring range x/(μmol/mol) Maximum allowable error In-use inspection for the first verification and subsequent verification 0≤x< 50 ±3μmol/mol ±5μmol/mol 50≤x≤200 ±10% 3.2 Repeatability Not more than 2%. 3.3 Response time Diffusion detector is not more than 45s; suction detector is not more than 30s. 3.4 Drift Zero drift. ±2%FS; range drift. ±3%FS. Note. FS means full scale. 3.5 Signal transmission error Not more than 0.5%.

4 General technical requirements

4.1 Appearance and structure 4.1.1 The detector should not have any appearance damage that affects its normal operation. The surface of the newly manufactured detector should be smooth and smooth, The paint color coating is uniform, without peeling and rusting, and the joints of all parts should be smooth.

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