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professionalGIS DataThe good faith management

作者: Deruite Industry 发布时间: 2019-07-12 04:49:57

professionalGIS DataThe good faith managementTheodoliteisakindofAnglemeasuringinstrument,itisequippedwithatelescope,thehorizontalcircleandreadingsoftheindex,theverticalscaleandindexofreading. Theodoliteiswestsen(Sisson)bythemechanicaboutfirstdevelopedin1730,afterformingtheimprovement,theformalusedinBritishgeodesy. In1904,Germanybegantoproduceglassdialtheodolite.Withthedevelopmentofelectronictechnology,the60selectronictheodolite.Onthisbasis,the70smadetheelectronicmeasuringinstrument.

Workersgaugemeasuringtapeiscommonlyusedindailylife.Weoftenseeisasteeltape,constructionanddecorationarecommonlyused, isoneofthefamilyessentialtools.Intothefibertape,tapemeasure,waistlinescale,etc.LuBanChe,winddraft,themeterisalsobelongstothesteeltape. Tapecanrollupbecausetapewithspringinside,pullinmeasuringlength,actualitisstretchedandthelengthofthespringscale,

Levelisaprecisionopticalinstrument,correctthesafekeepingandproperuseoftheinstrumentaccuracyandlifehasagreateffect; Avoiddirectsunlight,don'tpermitjustremovetheinstrument;Everyfine-tuningshouldrotategently,donotforcetoobig.Lens,opticalslicesarenotallowedtocontactwiththehand;Instrumentshavefault,bythefamiliarwithinstrumentstructureisorrepairrepair;Cleanaftereachuse,dealwiththeinstrument,keepdry.

withthethirdscrewlevelingleveltube.Opticaltosee,ifthereareafewerror,canopenjoinspiraltranslationbase,maketheaccurateofthescrewtighteningcohesion,andviewthelevelagainbubblecentertheodolitebasedondegreesandreadingmethod,opticaltheodoliteandelectronictheodolite. Atpresent,theopticaltheodoliteandelectronictheodolite,cursortheodolitealreadyfiltering.

--------700?Andnaturalaging2-3years,maketheprecisionoftheproductstability,wear-resistingperformanceisgood.Testflatcastironmaterial,itiseasytorustinhumidenvironment,sotheuseoftheplatformaftertheplatformneedworkingtablesurfacetowipeclean, withanti-rustoildaubsurface.Intheplatform,inuseprocessshouldpayattentiontoavoidknockhardtoolsorcollisiontestflatsurface,

Ameasuringinstrumentisameasuringobjectfactorsassociatedwithequipment,theequipmentisinuseprocessisnotentirelyaccurate, duetovariousfactorsaffectthestatusoftheinevitableerror,therestofthisarticleaboutlengthmeasuringinstrumentsinuseasfaraspossibleavoiderrorsofmeasureswereintroducedsimply. Firstneedtoensurethatthemeasuringinstrumenttomeasurethetemperaturestabilityofthesurroundingenvironment.