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.可以直接測量距離和尺寸，也可以用于光學儀器（顯微鏡套裝、二次元、三次元、投影儀等）的軸向校正，測量尺寸152-1016mm之間可選擇，最小刻度0.025、0.05、0.1mm可選擇。Scale-Eng.pdf別名：光標尺玻璃尺塑料尺標準長度尺標尺透明尺帶放大鏡尺