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【英文标准名称】:Waterheaters,waterheatinginstallationsandstoragewaterheatersfordrinkingwater-Part3:Corrosionprotectiononthewatersidebyenamellingandcathodicprotection-Requirementsandtesting
【原文标准名称】:饮用水热水器,水加热装置和贮水式热水器.第3部分:通过上釉和阴极保护对触水面进行防腐保护的要求和试验
【标准号】:DIN4753-3-2011
【标准状态】:现行
【国别】:德国
【发布日期】:2011-11
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Cathodicprotection;Chemicalresistance;Coatingthickness;Coatings;Consumptionpoint;Containers;Corrosionprotection;Defects;Definitions;Drinkingwater;Enamels;Finishes;Hygiene;Inspection;Materials;Mechanicalproperties;Potablewater;Qualityofbeingrecognizedassafe;Servicewater;Specification(approval);Steeldrums;Steels;Surveillance(approval);Testing;Thermalenvironmentsystems;Vitreousenamel;Waterheaters;Waterheatinginstallations;Waterstoragetanks
【摘要】:
【中国标准分类号】:Q83
【国际标准分类号】:91_140_65
【页数】:19P;A4
【正文语种】:德语


【英文标准名称】:Specificationforsignallingonlow-voltageelectricalinstallationsinthefrequencyrange3kHzto148.5kHz-Generalrequirements,frequencybandsandelectromagneticdisturbances
【原文标准名称】:频率范围3KHz至148.5KHz的低压电气设备信号装置规范.一般要求、频带和电磁干扰
【标准号】:BSEN50065-1-2001
【标准状态】:作废
【国别】:英国
【发布日期】:2001-11-05
【实施或试行日期】:2001-11-05
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:乱真信号;信号传输;电力设备;频率测量;低电压;频带;电力系统干扰;电波测量;无线电干扰;频率;通信设备;信号;低压设备;电气设备
【英文主题词】:Bandoffrequencies;Datatransfer;Dimensions;Distributionnetworks;Electricalengineering;Electromagneticcompatibility;EMC;Frequencies;Generalconditions;Influences;Informationtransfer;Limits(mathematics);Lowvoltage;Lowvoltagemains;Measuringcircuit;Outputlevel;Outputsignals;Quality;Radiodisturbances;Radiointerferencepower;Radiointerferencesfieldstrength;Signaltransmission;Signals;Specification(approval);Testing;Testingconditions;Transmission;Transmissionperformance;Voltage
【摘要】:Thisstandardappliestoelectricalequipmentusingsignalsinthefrequencyrange3kHzto148,5kHztotransmitinformationonlowvoltageelectricalsystems,eitheronthepublicsupplysystemorwithininstallationsinconsumers'premises.Itspecifiesthefrequencybandsallocatedtothedifferentapplications,limitsfortheterminaloutputvoltageintheoperatingbandandlimitsforconductedandradiateddisturbance.Italsogivesthemethodsofmeasurement.Itdoesnotspecifythesignalmodulationmethodsnorthecodingmethodsnorfunctionalfeatures(exceptthoseforthepreventionofmutualinterference).Environmentalrequirementsandtestsarenotincluded.NOTEInmostcountriesthetransmissionofinformationissubjecttoregulation.Compliancewiththisstandarddoesnotimplypermissiontoestablishcommunicationwithlocationsoutsidetheconsumer'sinstallationorwithotherconsumersthroughthepublicsupplysystemwherethiswouldnototherwisebeallowed.Theobjectofthestandardistolimitmutualinfluencebetweensignaltransmissionequipmentinelectricalinstallationsandbetweensuchequipmentandotherequipment.Inadditionthisstandardisintendedtolimitinterferencecausedbysignaltransmissionequipmenttosensitiveelectronicequipment.However,completefreedomfromsuchinterferencecannotbeassured.
【中国标准分类号】:K30
【国际标准分类号】:33_040_30;33_100_10
【页数】:28P;A4
【正文语种】:英语