BS 5849-1980 Method of expression of performance of air quality infra-red analysers《空气质量红外线分析仪性能表示方法》.pdf
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1、BRITISH STANDARD BS5849:1980 IEC528:1975 Method of Expression of performance of air quality infra-red analysers IEC title: Expression of performance of air quality infra-red analyzers UDC551.510.41:543.422.4:621.384.3:621.317.39:681.785.423.3.004.15BS5849:1980 This British Standard, having been prep
2、ared under the directionof the Electronic Equipment Standards Committee,was published underthe authority of the Executive Board and comes into effect on 31January1980 BSI11-1999 The following BSI references relate to the work on this standard: Committee reference EEL/8 Draft for comment79/20126 DC I
3、SBN 0 580 11111 3 Cooperating organizations The Electronic Equipment Standards Committee, under whose direction this British Standard was prepared, consists of representatives from the following Government department and scientific and industrial organizations: British Broadcasting Corporation Briti
4、sh Electrical and Allied Manufacturers Association (BEAMA) British Radio Equipment Manufacturers Association Cable and Wireless Limited Cable Television Association of Great Britain Electrical, Electronic, Telecommunications and Plumbing Union Electricity Supply Industry in England and Wales* Electr
5、onic Components Industry Federation Electronic Engineering Association* Institution of Electronic and Radio Engineers* Ministry of Defence* Post Office* Post Office Engineering Union Scientific Instrument Manufacturers Association* The organizations marked with an asterisk in the above list, togethe
6、r with the following, were directly represented on the committee entrusted with the preparation of this British Standard: British Industrial Measuring and Control Apparatus Manufacturers Association Department of Industry (British Calibration Service) Department of Industry (National Physical Labora
7、tory) Individual experts Amendments issued since publication Amd. No. Date of issue CommentsBS5849:1980 BSI 11-1999 i Contents Page Cooperating organizations Inside front cover National foreword ii 1 General 1 1.1 Scope 1 1.2 Object 1 2 Definitions 1 2.1 Non-dispersive infra-red analyzer 1 2.2 Calib
8、ration gas 1 2.3 Performance characteristic 2 2.4 Influence quantity 2 2.5 Values related to quantities 2 2.6 Terms related to the specification of performance 2 2.7 Terms related to conditions of operation, transport and storage 4 3 Procedure for statement 4 4 Recommended standard values and ranges
9、 of influence quantities 6 4.1 Climatic conditions 6 4.2 Mechanical conditions 8 4.3 Mains supply conditions 9 5 Verification of values 9 Index of definitions 13 Publications referred to Inside back coverBS5849:1980 ii BSI 11-1999 National foreword This British Standard, published under the directio
10、n of the Electronic Equipment Standards Committee, is identical with IEC Publication528 “Expression of performance of air quality infra-red analyzers” published in1975 by the International Electrotechnical Commission (IEC). Terminology and conventions. The text of the International Standard has been
11、 approved as suitable for publication, without deviation, as a BritishStandard. Some terminology and certain conventions are not identical with those used in British Standards. In British Standards it is current practice to use the spelling “analysers” for “analyzers”. Scope Clause1 (General) of the
12、 International Standard is not presented in the way that is customary for the scope clause of a British Standard. Clause1 should be read as the following, which makes no change in the technical meaning and is essentially a re-arrangement of the existing text. “This standard specifies the terminology
13、 and definitions related to the functional performance of non-dispersive infra-red analysers used for the continuous determination of certain aspects of air quality by measuring gaseous constituents either in ambient or confined atmospheres or in gaseous streams entering the ambient air; it unifies
14、the methods used in making and verifying statements on the functional performance of such analysers; and it specifies what tests should be performed to determine the functional performance and how such tests should be carried out. It is applicable to infra-red analysers for installation either indoo
15、rs or outdoors. It is applicable to the complete analyser as an integral analytical unit, including all optical, mechanical, electrical and electronic portions and, for the purpose of this standard, any regulated power supply provided with the analyser or specified by the manufacturer is considered
16、part of the analyser, whether it is integral with the analyser or housed separately. This standard does not apply to the required sample-handling systems or other accessories such as recorders, analogue-to-digital converters or data acquisition systems used in conjunction with the analyser. Safety r
17、equirements are specified in IEC Publication348, “Safety requirements for electronic measuring apparatus”. This standard is in accordance with the general principles set out in IEC Publication359, “Expression of the functional performance of electronic measuring equipment”. Cross-references Internat
18、ional Standard a Corresponding British Standard IEC348:1978 BS4743:1979 Safety requirements for electronic measuring apparatus (Identical) IEC359:1971 BS4889:1973 Method for specifying the performance of electronic measuring equipment (Technically equivalent) IEC381:1971 BS3586:1970 Analogue direct
19、current signals for telemetry and control (Related) a Undated in the text.BS5849:1980 BSI 11-1999 iii A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standar
20、d does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pagesi to iv, pages1to14, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. T
21、his will be indicated in the amendment table on the inside front cover.iv blankBS5849:1980 BSI 11-1999 1 1 General 1.1 Scope 1.1.1 This standard applies to non-dispersive infra-red analyzers used for the continuous determination of certain aspects of air quality by measuring gaseous constituents eit
22、her in ambient or confined atmospheres or in gaseous streams entering the ambient air. 1.1.2 It applies to infra-red analyzers specified for installation either indoors or outdoors. 1.1.3 It applies to the complete analyzer as an integral analytical unit, including all optical, mechanical, electrica
23、l and electronic portions. For the purpose of this standard, any regulated power supply, provided with the analyzer or specified by the manufacturer, is considered part of the analyzer whether it is integral with the analyzer or housed separately. 1.1.4 It does not apply to the required sample handl
24、ing systems or other accessories such as recorders, analogue-to-digital converters or data acquisition systems, used in conjunction with the analyzer. 1.1.5 Safety requirements are dealt with in IEC Publication348, Safety Requirements for Electronic Measuring Apparatus. 1.1.6 This standard is in acc
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