SAE J1050 Describing and Measuring the Driver's Field of View

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Product Code:SAE J1050
Title:Describing and Measuring the Driver's Field of View
Issuing Committee:Driver Vision Standards Committee
Scope:This SAE Recommended Practice establishes methods for describing and measuring the driver's field of view. The document describes three methods for measuring the direct and indirect fields of view and the extent of obstructions within those fields. The first method uses any single pair of eye points to determine the fields or obstructions that would be seen by an individual driver. The second method uses the SAE Eyellipses defined in SAE J941 to determine the largest fields or obstructions that would be seen for a given percentage of the driving population. The third method uses specific eye points defined in SAE J941 to measure the extent of a specific field of view or obstruction for which those points were developed.

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Product Code:SAE ARP599
Title:Aerospace - Dynamic Test Method for Determining the Relative Degree of Cleanliness of the Downstream Side of Filter Elements (Cancelled May 1996)
Issuing Committee:A-6c1 Contamination And Filtration Committee
Scope: This SAE Aerospace Recommended Practice (ARP) describes a procedure for determining the insoluble contamination level of the downstream side of filter elements. Results of this procedure represent the particulate released from the tested filter element under the prevailing conditions of the test. The results may be used for comparative evaluation of the effectiveness of various cleaning methods or the cleanliness of elements after cleaning or as received from manufacturers. A representative portion of the contamination on the downstream side of the filter element under test is removed by placing the filter element in an ultrasonic bath for a set period of time and then withdrawing a sample through the filter under test into a vacuum flask. The sample is then filtered per ARP598. The insoluble contamination is thus transferred onto the surface of the membrane filter disk where it can be examined microscopically to determine the amount of contamination released from the filter element.brane filter disk where it can be examined microscopically to determine the amount of contamination released from the filter element.【英文标准名称】:StandardTestMethodforPhotopicLuminanceofPhotoluminescent(Phosphorescent)Markings
【原文标准名称】:荧光(磷光)标志的适光亮度用标准试验方法
【标准号】:ASTME2073-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:照度;亮度;标志;职业安全;荧光;试验方法
【英文主题词】:Illuminance;Luminance;Markings;Occupationalsafety;Photo-luminescence;Testmethods
【摘要】:
【中国标准分类号】:C52
【国际标准分类号】:13_100
【页数】:3P;A4
【正文语种】:英语