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JJG 1105-2015 English PDF

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JJG 1105-2015: Verification Regulation of Ammonia Gas Detectors
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Basic data

Standard ID JJG 1105-2015 (JJG1105-2015)
Description (Translated English) Verification Regulation of Ammonia Gas Detectors
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A61
Classification of International Standard 17.020
Word Count Estimation 15,132
Date of Issue 2015-01-30
Date of Implementation 2015-04-30
Regulation (derived from) The State Administration of Quality Supervision, Inspection and Quarantine Announcement 2015 No. 19
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine
Summary This Standard applies to measuring air or nitrogen gas analyzers for initial verification and detection alarm ammonia content of the subsequent verification and the use of checks.

JJG 1105-2015: Verification Regulation of Ammonia Gas Detectors

---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 Ammonia Gas Detectors State verification procedures People's Republic of China Ammonia detector Issued on. 2015-01-30 2015-04-30 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Ammonia detector test procedures Detectors Focal point. the National Technical Committee on Environment stoichiometry The main drafting units. China Institute of Metrology Jinan City, the metrological verification Jinan Changqing Computer Application Companies Participated in the drafting unit. Jiangsu Province Institute of Metrology This procedure commissioned the National Technical Committee of the stoichiometric environment responsible for interpreting The main drafters of this procedure. Liu Yi Ling (China Institute of Metrology) Chen Yonghua (China Institute of Metrology) Wang Limin (Jinan City, the metrological verification) Qin Yanchang (Changqing Computer Application Companies) Drafters participate. Wang Defa (China Institute of Metrology) Yuezong Long (Changqing Computer Application Companies) Cai Ye Qiang (Jiangsu Province Institute of Metrology)

table of Contents

Introduction (Ⅱ) 1 Scope (1) 2 Overview (1) 3 metering performance requirements (1) 3.1 indication error (1) 3.2 Repeatability (1) 3.3 Response Time (1) 3.4 Stability (1) 4 General Requirements (1) 4.1 Appearance and structure (1) 4.2 marks, and logos (2) 4.3 energizing check (2) 4.4 Insulation Resistance (2) 4.5 dielectric strength (2) 4.6 Alarm function (2) 5 control of measuring instruments (2) 5.1 Environmental test conditions (2) 5.2 Calibration with standard materials and equipment (2) 5.3 Verification Project (3) 5.4 Verification Methods (4) 5.5 Verification Results Processing (5) 5.6 test cycle (5) Appendix A test recording format (6) Appendix B test certificates/test results in the notice page format (7)

Introduction

This procedure is based on JJF1002-2010 "national verification procedures write rules", JJF1001 "general purpose Volume terms and definitions "and JJF1059.1" Evaluation and Expression of Uncertainty in Measurement "basis and developed. This procedure was first formulated. Ammonia detector test procedures

1 Scope

The order applies to the measurement of ammonia content in the air or nitrogen gas analyzer and detector alarm (hereinafter referred to as analysis Instrument and alarm, collectively referred to as the instrument) initial verification, subsequent verification and the use of checks.

2 Overview

Instrument detection principle electrochemical, infrared sound and light, non-dispersive infrared chemiluminescence, UV and the like. Sampling Method There are two kinds of inhaled and diffusion, use is divided into fixed and portable. General Instrument by the sensor chamber, the sampling Components, electronic circuits, monitors and other components.

3 metering performance requirements

3.1 Indication error Indication error to meet the requirements of Table 1. Specified in Table 1 the maximum permissible error Measuring range/(μmol/mol) analyzer alarm 0≤C≤50 ± 10% ± 10% 50 \u003cC≤1000 ±6% ±10% 3.2 Repeatability Analyzer, the alarm repeatability relative standard deviation of not more than 2% and 3%. 3.3 Response Time Inhaled Sampling Method instrument response time of less than 120s; diffusion Sampling Method instrument response time Room is not greater than 180s. 3.4 Stability 3.4.1 Zero Drift Analyzer, the alarm zero drift does not exceed ± 1% FS, ± 2% FS. 3.4.2 Span drift Analyzers, alarm span drift does not exceed respectively ± 2% FS, ± 3% FS.

4 General technical requirements

4.1 Appearance and structure 4.1.1 The instrument shall not affect the appearance of their normal work injury. Surface of the new instrument should be made smooth, paint Color uniform coating, no rust flaking phenomenon.

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