案例
某项目规格书要求DFT为250um(涂料厂商未推荐厚度范围),验收标准采用SSPC PA2-2012。
该项目可接受的DFT范围是多少?
术语
●Gage Reading 测量仪读数(单个仪器读数)
●Spot Measurement 点测量值(3个测量仪读数的平均值)
●Area Measurement 区域测量值(5个点测量值的平均值)
DFT范围
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涂层厚度等级
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涂层厚度等级
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DFT范围评判
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DFT范围评判
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DFT范围评判
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案例中可接受DFT范围
综上所述
平均DFT(Area Measurement) 200-300um
点测量值(Spot Measurement) 160-360um
单个仪器读数(Gage Reading) ?