ASTM F1863-1998(2004) 测量夜视镜透明部件的加权过滤系数的标准试验方法

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【英文标准名称】:StandardTestMethodforMeasuringtheNightVisionGoggle-WeightedTransmisivityofTransparentParts
【原文标准名称】:测量夜视镜透明部件的加权过滤系数的标准试验方法
【标准号】:ASTMF1863-1998(2004)
【标准状态】:现行
【国别】:
【发布日期】:1998
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F07.08
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:透明度;顶棚;过滤系数;夜视镜;风挡
【英文主题词】:canopy;nightvisiongoggles;transmissivity;transparency;windscreen
【摘要】:Significance8212;ThistestmethodprovidesameanstomeasurethecompatibilityofagiventransparencythroughwhichNVGsareusedatnighttoviewoutside,nighttimeambientilluminatednaturalscenes.Use8212;Thistestmethodmaybeusedonanytransparentpart,includingsamplecoupons.Itisprimarilyintendedforuseonlarge,curved,orthickpartsthatmayalreadybeinstalled(forexample,windscreensonaircraft).1.1ThistestmethodcoversapparatusesandproceduresthataresuitableformeasuringtheNVG-weightedtransmissivityoftransparentpartsincludingthosethatarelarge,thick,curved,oralreadyinstalled.Thistestmethodissensitivetotransparenciesthatvaryintransmissivityasafunctionofwavelength.1.2Sincethetransmissivity(ortransmissioncoefficient)isaratiooftworadiancevalues,ithasnounits.Theunitsofradiancerecordedintheintermediatestepsofthistestmethodarenotcritical;anyrecognizedunitsofradiance(forexample,watts/m2-str)maybeused,aslongasitisconsistent.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N31
【国际标准分类号】:37_020
【页数】:5P.;A4
【正文语种】: