QRA10.C系列火焰探测器-电眼品牌：SIEMENS（西门子）产地：德国产品介绍Theflamedetectorsareusedforthesupervisionofgasflames,yellow-orblue-burningoilflamesandforignitionsparkproving.Withthistypeofflamesupervision,theUVradiationemittedbygasoroilflamesisusedtogeneratetheflamesignal.Theradiationdetectorc***istsofaUV-sensitivecellwith2electrodes,whichignitewhenilluminatedwithradiationinthe190...270nmrangeofthespectrum,therebytriggeringacurrentintheflamedetectorcircuit.TheUVcelldoesnotrespondtoglowingfirebrickinthecombustionchamber,daylightorlightfromtheboilerroomillumination.Die-castaluminiumhousingwitha1in.mountingcoupling(D)andaconnectionfacilityforcoolingair.ThehousingofthisdetectorhasabayonetfittingwhichallowsittobesecuredeitherdirectlytothemountingcouplingortotheglassholderAGG06.ThemountingcouplingcanbescrewedtoaviewingtubeortotheballheadAGG07.ThePgcableglandcanberemovedandreplaced,ifsomeotherdetectorcableshallbeused.技术参数主要参数UV单元平均寿命10000小时（在50ºC）炉膛背压-QRA10...50mbar***大-QRA10...+AGG03或AGG02500mbar***大保护等级IP54重量-AGG0110g-AGG0210g-AGG0310g-AGG05170g-AGG06160g-AGG071330g-AGG16.C650g-QRA10...740g-QRA10...+AGG03750g环境条件运输环境IEC60721-3-2内部条件class2K2机械条件class2M2温度范围-20...+60ºC湿度<95%运行环境IEC60721-3-3内部条件class3K5机械条件class3M2温度范围-20...+60ºC湿度<95%不得进水)