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JJG 915-2008 English PDF

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JJG 915-2008: Verification regulation of carbon monoxide detectors
Status: Valid

JJG 915: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JJG 915-2008English289 Add to Cart 3 days [Need to translate] Verification regulation of carbon monoxide detectors Valid JJG 915-2008
JJG 915-1996English439 Add to Cart 4 days [Need to translate] Verification Regulation of Carbon Monoxide Detector Obsolete JJG 915-1996

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Basic data

Standard ID JJG 915-2008 (JJG915-2008)
Description (Translated English) Verification regulation of carbon monoxide detectors
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A61
Classification of International Standard 13.300
Word Count Estimation 12,137
Date of Issue 2008-12-22
Date of Implementation 2009-06-22
Older Standard (superseded by this standard) JJG 915-1996
Regulation (derived from) ?AQSIQ Announcement 2008 No.143;
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine
Summary This standard is applicable to the detection of non-mine operating environment of carbon monoxide gas concentrations of carbon monoxide detection alarm (hereinafter referred to as the instrument) of the initial verification, follow-up tests and in-service inspection. The instrument can be divided into continuous and discontinuous measurements measuring instruments.

JJG 915-2008: Verification regulation of carbon monoxide 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 carbon monoxide detectors State verification procedures People's Republic of China Carbon monoxide detection alarm Posted 2008-12-22 2009-06-22 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Carbon monoxide detector alarm verification procedures Replacing JJG 915-1996 The regulations by the State Administration of Quality Supervision, Inspection and Quarantine approved on December 22, 2008, and from From June 22, 2009 into effect. Focal point. the National Technical Committee on Environment stoichiometry Drafting. Shanghai Institute of Measurement and Testing Participated in the drafting. Baoshan Iron & Steel Co. This procedure commissioned the National Technical Committee of the stoichiometric environment responsible for interpreting The main drafters of this procedure. Cai Jianhua (Shanghai Institute of Measurement and Testing) Drafters participate. Wang Xiaoyan (Shanghai Institute of Measurement and Testing) Chen Lan (Shanghai Institute of Measurement and Testing) Zhu Xinren (Baoshan Iron & Steel Co.)

table of Contents

1 Scope (1) 2 Overview (1) 3 metering performance requirements (1) 3.1 Measurement range (1) 3.2 indication error (1) 3.3 Repeatability (1) 3.4 Response Time (1) 3.5 Drift (1) 4 General Requirements (1) 4.1 Appearance (1) 4.2 alarm function and checking alarm set value (2) 5 control of measuring instruments (2) 5.1 verification Conditions (2) 5.2 Verification Project (2) 5.3 Calibration Method (2) 5.4 test results processing (4) 5.5 test cycle (4) Appendix A carbon monoxide detector alarm test records (5) Appendix B test certificate-page (6) Appendix C test results of notice-page (7) Carbon monoxide detector alarm verification procedures

1 Scope

This procedure is applied to the detection of non-mine operating environment of carbon monoxide gas concentrations of carbon monoxide detection alarm (with Hereinafter referred to as the instrument) initial verification, subsequent verification and in-service inspection. Measuring instrument can be divided into continuous and non-continuous measurement instruments.

2 Overview

Plus instrument consists of sensors and electronic components and display components, carbon monoxide gas by the sensor environment Converted into electrical signals, then processed by the electronics, and the concentration value is displayed. Depending on the sampling mode, the instrument can be divided into diffusion and inhaled.

3 metering performance requirements

3.1 Measuring range (0 ~ 2000) μmol/mol. 3.2 Indication error Absolute error. ± 5μmol/mol; Relative error. ± 10%. To meet one of the above. 3.3 Repeatability ≤2%. 3.4 Response Time Diffusion ≤60s; Inhaled ≤30s. 3.5 Drift 3.5.1 Zero drift. ± 3μmol/mol. 3.5.2 Span drift. ± 5%.

4 General technical requirements

4.1 Appearance 4.1.1 The instrument shall indicate the name of the manufacturing unit, the instrument model and serial number, date of manufacture, measurement equipment manufacturing license Signs and numbers annex should be complete, along with instructions for use. 4.1.2 The instrument display should be clear and complete. Each adjusting member should be able to work properly, there should be no loose fasteners. 4.1.3 The instrument shall not affect the appearance of their normal work injury. The new coating manufacturing equipment should not have obvious color Uneven and peeling, the components should be smooth junction. 4.1.4 diffusion instrument calibration should be accompanied by special cover.

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