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Scale,Glass(CHROME)TheseextremelyaccurateMICRORULESareideallysuitedfordirectmeasurementoftwodimensionalpartsandaxialcalibrationofOpticalMeasuringSystemsthatwouldnormallyrequireextensivesetupandexpensivecapitalequipment.TheMICRORUlEEnglish/Metricpatternsareformedinverydurable,doublelayerchromedepositedonselect.225 (5.7mm)thick,sodalimeglass.Theglassisfullysupportedbylowreflectionaluminumextrusionsiderailsandendcapstoprotecttheglassfromdamageduringnormalshopuse.ThedualEnglish/metricscalepatternallowstheusertoaccuratelyextrapolatemeasurementstoafractionofthesmallestdivisiononeitherscale.Scalepatternsareindirectcontactwiththefilmorpartbeingmeasuredandthemeasurementsaretakendirectlybytheuserthroughtheviewingmagnifiers.Therefore,therearenooff~scale25 (634mm)readingerrorsorcompensatingadjustmentsrequiredasisthecasewithindirect,off-axisreadingsystems.12 (305mm)One20Xmagnifierisprovidedonthe6 /152mmMICRORUlEwith.001 /.025mmdivision,andone12Xmagnifierisprovidedontheother6 /152mmMICRORULE.Two12Xmagnifiersareprovided6 (152mm)onthe12 /305mm,25 /634mmand40 /1016mmMICRORULES.Thisallowstheusertorechecktwosetpointswithouttouchingtheworksurface,thepart,ormovinganythingontheMICRORULE.可以直接测量距离和尺寸，也可以用于光学仪器（显微镜套装、二次元、三次元、投影仪等）的轴向校正，测量尺寸152-1016mm之间可选择，最小刻度0.025、0.05、0.1mm可选择。Scale-Eng.pdf别名：光标尺玻璃尺塑料尺标准长度尺标尺透明尺带放大镜尺