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JJG 365-2008 English PDF

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JJG 365-2008: Verification Regulation of Electrochemical Oxygen Meter
Status: Valid

JJG 365: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JJG 365-2008English329 Add to Cart 3 days [Need to translate] Verification Regulation of Electrochemical Oxygen Meter Valid JJG 365-2008
JJG 365-1998English279 Add to Cart 3 days [Need to translate] Verification Regulation of Electrochemical Electrode Gas Oxygen Analyser Obsolete JJG 365-1998
JJG 365-1984EnglishRFQ ASK 3 days [Need to translate] Verification Regulation of Electrochemical Electrode Gas Oxygen Analyser Obsolete JJG 365-1984

PDF similar to JJG 365-2008


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Basic data

Standard ID JJG 365-2008 (JJG365-2008)
Description (Translated English) Verification Regulation of Electrochemical Oxygen Meter
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A61
Classification of International Standard 71.040.20
Word Count Estimation 14,15
Date of Issue 2008-03-25
Date of Implementation 2008-09-25
Older Standard (superseded by this standard) JJG 365-1998
Regulation (derived from) ?AQSIQ Announcement 2008 No.35
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine
Summary This standard applies to the measurement of gas flow critical flow venturi nozzle and diffuser exit without the critical flow nozzle initial verification, follow-up tests and in-service inspection.

JJG 365-2008: Verification Regulation of Electrochemical Oxygen Meter

---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 Electrochemical Oxygen Meter State verification procedures People's Republic of China Electrochemical oxygen analyzer Posted 2008-03-25 2008-09-25 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Electrochemical oxygen analyzer test procedures enMeter Replacing JJG 365-1998 The regulations by the State Administration of Quality Supervision, Inspection and Quarantine approved on March 25, 2008, and from From September 25, 2008 into effect. Focal point. the National Technical Committee on Environment stoichiometry Drafting units. China Institute of Metrology This procedure commissioned the National Technical Committee of the stoichiometric environment responsible for interpreting The main drafters of this procedure. Li Chunying (China Institute of Metrology) Drafters participate. Zhang Zhuang (China Institute of Metrology) Han Bridge (China Institute of Metrology)

table of Contents

1 Scope (1) 2 Overview (1) 3 metering performance requirements (1) 3.1 Scope and instrument indication error (1) 3.2 Repeatability (1) 3.3 Response Time (1) Drift 3.4 (2) 4 General Requirements (2) 4.1 appearance and function check (2) 4.2 Insulation Resistance (2) 4.3 dielectric strength (2) 5 control of measuring instruments (2) 5.1 verification Conditions (2) 5.2 Verification Project (3) 5.3 Verification Methods (3) 5.4 Verification Results Processing (6) 5.5 test cycle (6) Appendix A test recording format (7) Appendix B calibration certificate, test results of notice (in-page) format (9) Electrochemical oxygen analyzer test procedures

1 Scope

The order applies to oxygen measurement limit of not less than 0.1% of electrochemical oxygen analyzer initial verification, follow-up inspection Set and test use. Not for use in electrochemical oxygen analyzer used in the mine.

2 Overview

Electrochemical oxygen analyzer (hereinafter referred to as equipment) is mainly used in chemical industry, metallurgical industry, environmental monitoring, medical Health, aerospace, gases and oxygen content in the ambient air measurement electronics industry in the production and application. Class Equipment for electrochemical principles, including. Galvanic (fuel cells, batteries Hertz diaphragm galvanic cell), constant power Bit cell, the cell constant current, Coulomb, polarography and other electrochemical principle Oxygen gas detection unit Analyzer. The instrument usually consists of an electrochemical oxygen sensor (liquid or solid electrolyte), gas unit and the electronic display unit group to make. Based on gas sampling way into the pump suction type, positive pressure conveying type, three types of diffusion. Measurement procedure in Figure 1 FIG. FIG. 1 electrochemical oxygen analyzer measurement program Fig.

3 metering performance requirements

3.1 Scope and instrument indication error Different range of instruments, within its measuring range, indication error corresponding to comply with Table 1. Table 1 shows the instrument range and error Instrument Range /% indication error /% FS ≤25 ± 2.0 > 25 ± 3.0 Note. "FS" as being a full-scale inspection of the instrument. 3.2 Repeatability The relative standard deviation ≤1%. 3.3 Response Time Inhaled, positive pressure conveying type instrument response time of less than 30s; the proliferation of instruments is not more than 60s.

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Question 5: Should I purchase the latest version JJG 365-2008?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJG 365-2008 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.