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GEMOLOGICALVol.10/6GemologicalinstrumentDiffuserhassetunderLEDilluminationWorkingbaseheightfromthediffuser207mmor300mmItemCodeWeight/DimensionsAccessories103-026600g/63x150x113mmPolarizingFilter,Dustcover,RIliquid10gbottleGIADUPLEXIIREFRACTOMETERTheonlyrefractometerdesignedto"spot"readcabochonsorsmallfacetswithdiameterslessthan1mm.TopofthelinedeskmodelwithremovableeyepiecemagnifierthatenlargesRIscaleimage.Hingedlidprotectsglassworkingareafromdust&abrasion.Refertoaffixedchartofmost-usedRI's.CGLColorGradingTrayColorGradingTrayMiniGemLightboxGLBMaterItemCodeTypeMaterialWeight/DimensionsMadeinJapan103-023ProfessionalAcrylic23g/123x21x20mm103-028Economical-miniAcrylic12g/98x24x12mmCGLCOLORGRADINGTRAY/COLORGRADINGTRAYMINICGLClorgradingtray:CGLJapandevelopedidealtrayfordiamondgrading.Eliminatesthereflectionfromthetraytodistinguishtheverylittledifferenceofthecolor.Useitwithgemboxorputday-lightfromverticaldirectiontohaveaccurategrading.Colorgradingtraymini:Diamondgradingtraywith2v-shapedgrooves,2differentwidthtoholdstones.Perfectforuseinadiamondgradinglightcabinet.GEMLIGHTBOXGLBMASTERGLBmasterprovidesmostsuitablelightingconditionforDiamondgrading,andGemidentification.HighcolorrenderingRa97lightemittedfromnewlydevelopedLEDtubeswhichissimilartonaturallightgoesthroughspecialdiffuser.It'seasyontheeyesandenablesanyonetoperformuniformgradingandidentification.UVintensitycanbeadjustedwith5levels,allowingyoutoworkinlikedaylightcondition.GLBMasterissupervisedbyCENTRALGEMLABORATORYCo.,Ltd,designedandproducedinJapan,followingISOstandard.GIAPolariscopeItemCodeWeight/DimensionsAccessoriesPower103-0271kg/85x130x145mmOpticfiguresphere,4Xmagnifier,SampleplateAC90-240VGIAPOLARISCOPETheGIAPolariscopeisusedtotesttheopticalpropertiesofgemstoneanddeterminewhetherastoneissinglyrefractive,doublyrefractiveorisanaggregate.Doublyrefractivestonesmaybedividedfurtherastowhethertheyareuniaxialorbiaxial.Thepolariscopemayalsobeusedtodetectpleochroismindoublyrefractivecoloredstones.GIARefractometerItemCodeIlluminationColorRenderingLEDLifeTimeWorkingStageWeight/DimensionsPowerMadeinJapan104-072LEDTubelight6500Kx2pcs,LEDUV365nmx2pcsRa9740,000hours495x200mm/Heightfromdiffuser207or330mm7kg/510x210x490mmAC100-240V(PlugtypeA:2-flatpins)FRONT:FrontLEDTubeOn/OffBACK:BackLEDTubeOn/OffUV:LEDUV365nmOn/OffUVVOLUME:UVintensitycontrol5levels(50-100%)AlfaMirageCollection
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