BS 8608-2014 Specification for radio telemetry systems for use with respiratory protective devices used by emergency first responders《与紧急应急人员使用的呼吸保护装置共同使用的无线电遥测系统规格》.pdf
《BS 8608-2014 Specification for radio telemetry systems for use with respiratory protective devices used by emergency first responders《与紧急应急人员使用的呼吸保护装置共同使用的无线电遥测系统规格》.pdf》由会员分享,可在线阅读,更多相关《BS 8608-2014 Specification for radio telemetry systems for use with respiratory protective devices used by emergency first responders《与紧急应急人员使用的呼吸保护装置共同使用的无线电遥测系统规格》.pdf(14页珍藏版)》请在麦多课文档分享上搜索。
1、BSI Standards PublicationBS 8608:2014Specification for radiotelemetry systems for usewith respiratory protectivedevices used by emergencyfirst respondersPublishing and copyright informationThe BSI copyright notice displayed in this document indicates when the documentwas last issued. The British Sta
2、ndards Institution 2014Published by BSI Standards Limited 2014ISBN 978 0 580 82768 6ICS 13.340.30The following BSI references relate to the work on this document:Committee reference PH/4Draft for comment 14/30281804 DCPublication historyFirst published June 2014Amendments issued since publicationDat
3、eText affectedBS 8608:2014 BRITISH STANDARDContentsForeword iiIntroduction 11 Scope 12 Normative references 13 Terms and definitions 14 Functionality 25 Signals and acknowledgement 36 Identification 37 Data recording 38 Co-existence 49 Operating temperature and flame engulfment 410 Warning alerts 41
4、1 Low battery warning 512 Function indicators 513 Intrinsic safety (portable and repeaters only) 514 Ingress protection 515 Marking 516 Information supplied by manufacturer 5Bibliography 7Summary of pagesThis document comprises a front cover, an inside front cover, pages i to ii,pages 1 to 8, an ins
5、ide back cover and a back cover.BRITISH STANDARD BS 8608:2014 The British Standards Institution 2014 iForewordPublishing informationThis British Standard is published by BSI and came into effect on 30 June 2014. Itwas prepared by Technical Committee PH/4, Respiratory protection. A list oforganizatio
6、ns represented on this committee can be obtained on request to itssecretary.Information about this documentThis British Standard provides more up to date information than current HomeOffice documents relating to telemetry systems.Presentational conventionsThe provisions of this standard are presente
7、d in roman (i.e. upright) type. Itsrequirements are expressed in sentences in which the principal auxiliary verb is“shall”.Commentary, explanation and general informative material is presented in notesin smaller italic type, and does not constitute a normative element.This publication does not purpo
8、rt to include all the necessary provisions of acontract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legalobligations.In particular, attention is drawn to the following legislation.ATEX Directives 1, 2R Short Range Devices (SRD); R
9、adio equipment to be used in the 25 MHzto 1 000 MHz frequency range with power levels ranging up to 500 mW; Part 1:Technical characteristics and test methods3 Terms and definitionsFor the purposes of this British Standard the following terms and definitionsapply.3.1 base unittelemetry unit that is u
10、sed by the entry control operative to monitor theportable telemetry units in use3.2 co-existenceability of multiple telemetry systems to operate normally in the same vicinityBRITISH STANDARD BS 8608:2014 The British Standards Institution 2014 13.3 distress signal unit (DSU)distress signal unit that
11、is activated automatically on immobility of the wearer orby manual actuationNOTE See BS 10999 for further information.3.4 elapsed timetime from when the portable unit is activatedNOTE There might be a delay between the BA set being activated and it beinglogged onto a base unit.3.5 portable telemetry
12、 unittelemetry unit that is taken into the risk area by a BA wearerNOTE It is normally mounted on the RPD.3.6 repeaterstand-alone unit that is taken into the vicinity by a BA wearer and repeats thetelemetry signals3.7 telemetry systemcombination of portable and base telemetry units, together with an
13、y repeaters3.8 time of whistle/warning (TOW)calculated predicted chronological time at which the low pressure warningsignal will activateNOTE For example, 13:56 h.3.9 time to whistle/warning (TTW)calculated predicted time remaining until the low pressure warning signal willactivateNOTE For example,
14、40 min.4 FunctionalityThe telemetry system shall be capable of providing the following functionality:a) displaying the time of day on the base unit;b) time of whistle/warning;c) time to whistle/warning;d) elapsed time;e) remaining cylinder pressure measured in bar, and updated at intervals ofnot mor
15、e than 20 s for up to 20 portable telemetry units and two baseunits, and, for larger systems, intervals of not more than 60 s;f) notification to related base unit of any actuated distress signal;g) team and individual emergency evacuation of BA with acknowledgement;h) BA wearer withdrawal with ackno
16、wledgement;i) automatic indication of the status of communication link between theportable and base units and repeaters;j) identification of individual portable units on the base unit display;k) low battery indication; andl) data recording.BRITISH STANDARDBS 8608:20142 The British Standards Institut
17、ion 20145 Signals and acknowledgementThe telemetry system shall be capable of the following:a) receipt and acknowledgment of distress signals from related portable units;b) team and individual emergency evacuation of BA with acknowledgement;c) BA wearer withdrawal with acknowledgement;d) transmissio
18、n of a distress alarm signal (manual and/or automatic) from theportable telemetry unit to the base unit that the BA wearer is logged onto,indicating if they withdraw from an incident for reasons of personal safety;ande) transmission of a confirmation signal to the initiating portable unit inresponse
19、 to a distress alarm signal being received and acknowledged by theentry control board/base unit.In the event of a total evacuation, the system shall transmit a telemetry signalfrom the base unit to all logged on portable telemetry radio units. Thistelemetry signal shall trigger an audible alarm that
20、 is capable of being heard bythe BA wearers. The audible alarm shall be clearly identifiable or analogous tothe standard evacuation signal (e.g. the Acme Thunderer whistle1).In the event of partial or individual BA wearer evacuation, the system shalltransmit a telemetry signal from a base unit to se
21、lected logged on portabletelemetry radio units and cause an audible alarm.Distress alarm signals, BA wearer evacuation and withdrawal requests shall beindicated at their respective destinations within5sofinitiation. In the event ofcommunication failure, the portable/base unit shall repeat the origin
22、al requestat randomised intervals until it is successful.6 IdentificationPortable telemetry units shall have unique electronic identities that enable themto be individually logged on to a base unit at an incident.7 Data recording7.1 GeneralTelemetry systems shall be capable of recording data and thi
23、s data shall bedownloadable.The downloaded information shall include a timestamp (date and time) with aresolution of not more than 1 s.The data storage medium shall be nonvolatile and able to record at least8hofdata for every BA telemetry unit logged on.7.2 Data recordedThe following data shall be r
24、ecorded:a) activation of base unit;1)Acme Thunderer is a trademark owned by J. Hudson and Co. (Whistles) Ltd.,244 Barr Street, Birmingham, B19 3AH, UK. This information is given for theconvenience of users of this standard and does not constitute an endorsement by BSIof the product named. Equivalent
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