1、BRITISH STANDARD BS 4737-3.14: 1986 Intruder alarm systems in buildings Part 3: Specifications for components Section 3.14 Specification for deliberately-operated devices UDC 696.6:654.924.3:621.3-51BS 4737-3.14:1986 This British Standard, having been prepared under the direction of the Furniture an
2、d Household Equipment Standards Committee, was published under the authority of the Board of BSI and comes into effect on 30 June 1986 BSI 12-1998 First published April 1971 First revision January 1979 Second revision June 1986 The following BSI references relate to the work on this standard: Commit
3、tee reference FHM/45 Draft for comment 85/42567 DC ISBN 0 580 15232 4 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Furniture and Household Equipment Standards Committee (FHM/-) to Technical Committee FHM/45, upon which the following b
4、odies were represented: Association for Payment Clearing Services Association of British Insurers Association of Burglary Insurance Surveyors Association of Chief Police Officers of England and Wales British Railways Board British Retailers Association British Security Industry Association British T
5、elecommunications plc Construction Security Advisory Service Consumer Standards Advisory Committee of BSI Department of the Environment (Property Services Agency) Electrical Contractors Association Electrical Contractors Association of Scotland Electrical Installation Equipment Manufacturers Associa
6、tion (BEAMA Ltd.) Electricity Supply Industry in England and Wales Electronic Engineering Association Home Office Home Office Crime Prevention Centre Inspectors Approved Alarm Installers Institution of Electrical and Electronics Incorporated Engineers Lloyds Syndicates Survey Department Metropolitan
7、 Police Ministry of Defence National Association of Goldsmiths of Great Britain and Ireland National Supervisory Council for Intruder Alarms Limited Post Office Royal Institute of British Architects Telecommunication Engineering and Manufacturing Association (TEMA) Tobacco Advisory Council Wine and
8、Spirit Security Liaison Ltd. Amendments issued since publication Amd. No. Date of issue CommentsBS4737-3.14:1986 BSI 12-1998 i Contents Page Committees responsible Inside front cover Foreword ii 1 Scope 1 2 Definitions 1 3 Construction and performance 1 4 Marking and product specification 2 Publicat
9、ion referred to Inside back coverBS4737-3.14:1986 ii BSI 12-1998 Foreword This revision of this Section of BS4737 has been prepared under the direction of the Furniture and Household Equipment Standards Committee to reflect technical advances since the publication of BS4737-3.14:1979. This revision
10、supersedes the requirements of that previous edition which is withdrawn. The main objectives of BS4737 are to maximize the effectiveness of intruder alarm systems in respect of the detection and signalling of unauthorized intrusions and to minimize the incidence of false alarms. BS 4737 is being rev
11、ised and published in Parts as follows. Part 1: Specification for installed systems with local audible and/or remote signalling; Part 2: Specification for installed systems for deliberate operation; Part 3: Specifications for components (incorporating a revision of the existing Sections 3.1 to 3.14
12、of BS4737); Part 4: Codes of practice; Part 5: Glossary of terms. The objective of this Section of the revised BS4737 is to specify requirements for deliberately-operated devices which will ensure that they perform satisfactorily, minimize false alarms and are compatible with other parts of an intru
13、der alarm system. 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 Standard does not of itself confer immunity from legal obligations. Summary of pages This d
14、ocument comprises a front cover, an inside front cover, pages i and ii, pages 1 and 2, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on theinside front cover.BS 4737-3
15、.14:1986 BSI 12-1998 1 1 Scope This Section of BS4737 specifies construction and performance requirements for manually operated and foot-operated deliberately-operated devices for use in intruder alarm systems in buildings. NOTEThe title of the publication referred to in this standard is given on th
16、e inside back cover. 2 Definitions For the purposes of this Section of BS4737 the definitions given in BS4737-2 apply together with the following. operating member that part of a deliberately-operated device requiring a specifically applied force to generate the alarm condition NOTEAn example of an
17、operating member is the button of a push-button device. 3 Construction and performance 3.1 General A deliberately-operated device shall comply with 3.2 to 3.6 before and after being subjected separately to each of the following environments: a) an impact of 1.9 0.1 J applied in two differing directi
18、ons, at 60 to the surface of normal mounting of the device, to any appropriate parts of the device by means of an aluminium alloy hammer of plane face; b) exposure to dry heat at 55C for 16h; c) exposure to 10C for 16 h. The environments shall be applied to a device in its normal, i.e. non-alarm, co
19、ndition. For b) and c) the necessary tests for compliance shall be carried out immediately following exposure to the specified environment and with the device still at the test temperature. NOTEA predicted operating life of not less than 10years is considered necessary for these devices, which shoul
20、d function satisfactorily after periods of up to one year in the unoperated condition. 3.2 Configuration A deliberately-operated device shall consist of a physically operated switching device functioning by the opening of a normally closed circuit unless it is in the form of a sensitive strip contai
21、ning a distributed electrical contact in which each internal conductor is monitored as part of a closed circuit. The operation of a deliberately-operated device shall require: a) for type X devices, the application of a single force to the operating member; b) for type Y devices, the application of
22、two simultaneous forces to separate operating members; c) for type Z devices, the application of two consecutive forces to separate operating members, with the first force requiring to be maintained until application of the second. 3.3 Operating mechanism The operating mechanism of a deliberately-op
23、erated device shall be as given in either a) or b). a) Non-latching, such that following removal of the operating force(s) the device returns to its original state. An indication or output shall be given to show that operation has occurred. b) Latching, such that following its operation the device s
24、hall remain in the operated condition until reset. An indication shall be given that operation has occurred. For devices of types YandZ (see3.2), latching shall not be possible unless both operating forces have been correctly applied. The operating member of a manually operated device shall be flush
25、 with, or recessed with respect to, surrounding surfaces and shall be not less than15mm in its shortest diameter. NOTEThe operating member of a deliberately-operated device should be designed to minimize the possibility of accidental operation and to permit deliberate operation without the necessity
26、 for obvious body movement. 3.4 Operating forces 3.4.1 Manually operated devices. The force for a manually operated device of type X, or forces for manually operated devices of types Y and Z, required to operate the device shall be not less than4N and not more than 5N when applied in the appropriate
27、 direction(s) of movement with a hemispherically-ended test probe of 6.0 0.5mm diameter. 3.4.2 Foot-operated devices. The force for a foot-operated device of type X, or forces for foot-operated devices of types Y and Z, required to operate the device shall be not less than 5N and not more than 8N wh
28、en applied in the appropriate direction(s) of movement with a hemispherically-ended test probe of 12.0 0.5mm diameter.BS 4737-3.14:1986 2 BSI 12-1998 3.5 Sound level The operation of the type of device described as “normal” shall not produce a sound level greater than 60dB(A) and the operation of th
29、e type of device described as “quiet” shall not produce a sound level greater than 30dB(A), when measured by an impulse sound level meter at a distance of 1m in any direction in an anechoic chamber. 3.6 Alarm condition A deliberately-operated device shall generate an alarm condition as the result of
30、 the deliberate application of any appropriate operating force for a device of type X, or forces for devices of types Y and Z, in the range specified in 3.4 to the operating member of the device. Following the removal of the applied force, or forces, a non-latching device 3.3 a) shall return to its
31、original state within 10s and a latching device3.3 b) shall remain in the operated condition and shall require resetting before a further alarm condition can be generated. 4 Marking and product specification 4.1 Marking A deliberately-operated device claimed to comply with the requirements of this s
32、tandard shall be marked with the following; a) the name or identification mark of the manufacturer; b) the number and date of this British Standard, i.e. BS4737-3.14:1986 1) ; c) the date of manufacture, coded if necessary. 4.2 Product specification A deliberately-operated device shall be accompanie
33、d by a product specification giving: a) the type of device as specified in 3.2, i.e. type X, Y or Z; b) whether the device is latching or non-latching as specified in 3.3; c) whether the device is of the normal or quiet type as specified in 3.5; d) wiring and mounting instructions; e) instructions f
34、or any necessary adjustment, including the specification for any special tool(s) required. 1) Marking BS4737-3.14:1986 on or in relation to a product is a claim by the manufacturer that the product has been manufactured to the requirements of the standard. The accuracy of such a claim is therefore s
35、olely the manufacturers responsibility. Enquiries as to the availability of third party certification should be addressed to the appropriate certification body.BS 4737-3.14:1986 BSI 12-1998 Publication referred to BS 4737, Intruder alarm systems in buildings. BS 4737-2, Specification for installed s
36、ystems for deliberate operation.BSI 389 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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