300的正负反馈的判断口诀百分之30um是多少

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FS30UM-3 Datasheet, PDF
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Mitsubishi Electric Sem...
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一种仪器他的误差值是正负百分之十五如果是七点三它的误差正负值是多少.
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异型冲击装置DC(D)/DLD+15CGE(需进口)冲击能量冲击体质量11mJ5.5g/7.2g11mJ7.8g2.7mJ3.0g90mJ20.0g11mJ5.5g球头硬度:球头直径:球头材料:1600HV3mm碳化钨1600HV3mm碳化钨1600HV3mm碳化钨1600HV5mm碳化钨5000HV3mm金刚石冲击装置直径:冲击装置长度:冲击装置重量:20mm86(147)/ 75mm50g20mm162mm80g20mm141mm75g30mm254mm250g20mm155mm80g试件最大硬度940HV940HVHB1200HV试件表面平均粗糙度Ra:1.6μm1.6μm0.4μm6.3μm1.6μm试件最小重量:可直接测量需稳定支撑需密实耦合大于5kg5kg0.05~2kg大于5kg5kg0.05~2kg大于1.5kg0.1.5kg0.02~0.5kg大于15kg15kg0.5kg大于5kg5kg0.05~2kg试件最小厚度密实耦合硬化层最小深度5mm≥0.8mm5mm≥0.8mm1mm≥0.2mm10mm≥1.2mm5mm≥0.8mm球头压痕尺寸硬度300HV时压痕直径压痕深度0.54mm24μm0.54mm24μm0.38mm12μm1.03mm53μm0.54mm24μm硬度600HV时压痕直径压痕深度0.54mm17μm0.54mm17μm0.32mm8μm0.90mm41μm0.54mm17μm硬度800HV时压痕直径压痕深度0.35mm10μm0.35mm10μm0.35mm7μm----0.35mm10μm冲击装置适用范围DC型测量孔或园柱筒内; DL型测量细长窄槽或孔D+15型测量沟槽或凹入的表面C型测量小轻薄部件及表面硬化层G型测量大厚重及表面较粗糙的铸锻件E型测量硬度极高材料冲击装置测试范围表 材料 硬度制 冲击装置 D/DCD+15CGEDLSteel and cast steel钢和铸钢HRC17.68.519.67.920.69.5 22.70.720.68.2HRB59.99.6 47.99.9 37.99.9HRA59.85.8 61.88.0 HB127~6~6~6HV83~9~996 84~0HS32.99.533.99.331.102.1 35.102.630.96.8Steel锻钢HS32.99.5 CWT、ST合金工具钢HRC20.67.119.68.220.68.2 22.70.2 HV80~8~941 82~1009 Stainless steel不锈钢HRB46.101.7 HB85~655 HV85~802 GC.IRON灰铸铁HRC HB93~334 92~326 HV NC、IRON球墨铸铁HRC HB131~387 127~364 HV C.ALUM铸铝合金HB19~164 23~2 HRB23.84.6 22.85.023.85.5 BRASS铜锌合金HB40~173 HRB13.95.3 BRONZE铜锡(铝)合金HB60~290 COPPER纯铜HB45~315 示值误差和示值重复性表 序号冲击装置类型 标准里氏硬度块硬度值 示值误差 示值重复性 1D760±30HLD530±40HLD±6 HLD±10 HLD6 HLD10 HLD2DC760±30HLDC530±40HLDC±6 HLDC±10 HLDC6 HLD10 HLD3DL878±30HLDL736±40HLDL±12 HLDL12 HLDL4D+15766±30HLD+15544±40HLD+15±12 HLD+1512 HLD+155G590±40HLG500±40HLG±12 HLG12 HLG6E725±30HLE508±40HLE±12 HLE12 HLE7C822±30HLC590±40HLC±12 HLC12 HLC是这些吗
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