GNSS RECEIVER UNITService coGeneralwithvaluetodeterminethesizeoftheprecision,canbedividedinto: DJ6dial,valueof1°DJ2dialscaleof20'DJ1(T3)scalevalueis4' Accordingtotheprecisionfromhightolowprecisionpoints:DJ0.7,DJ1,DJ2,DJ6,DJ30(D,Jlettersofearthandtheodolite,respectively) TheodoliteisusedformeasuringtheAnglemeasurementtaskofprecisionmeasuringinstruments,canbeusedtomeasureAngle,constructionloftingandroughdistanceacquisition.Acompletesetofequipmentconsistsoftwoparts,instruments,horse.

itwillmakeyourequipmentefficiencyisgreatlyreduced,sceneryphotographyinpursuitofthedepthoffield,apertureoftenneedtof/11evensmaller,sothatwhenthelightisabitpoor,especiallyforlandscapephotographycommonlyusedinthetelephotolenses,withoutatripod,isbeingdisqualifiedfromthecontest. Eveninthesunnylightconditions,alsonotusealensfocallengthofreciprocalvalueabovetheshuttertime,canguaranteethesharpnessofthehandheldphotography.

Itenablesyoutogainhighqualitypicture,expandthefilmingofthephotography.Intheuseoflongfocallengthlens,orneedlongtimeexposure,useatripodcankeepstableduringproduction,toobtainhighresolutionimages. Atripodorapersongoouttakeanimportantauxiliarytool.Tripodgenerallymadefrommetalorengineeringplastics,bycontractingspinlevelchange,isalsoconducivetocarry.

Theriseandfallofcentercolumnforfine-tuninganduseonly,asfaraspossibleavoidtohigh,toprevent"top-heavy".Beforefilmingshouldalsocheckeachpartoflockingdevices,makeitsfastening,avoidshaking.

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

Payattentiontotheseproblemswhenusingtheelectronictheodolite 1,erectioninstrument:placetheelectronictheodoliteonframe,theframeheadlevel,tightenthescrewconnection. :in2,thepurposeistomakeelectronictheodolitecenterandthetestsiteislocatedinthesameverticalline.Canmovethefootrack,screwrotatingfeetmakeaccurateaimedatthecenterofthetessefsignin.

ChongngrefinderispeoplebornintheprocessofAnglemeasurementautomationapplication,allkindsofelectronictheodoliteplaysanenormousroleinavarietyofsurveyingandmappingwork, itsdevelopmenthaperiencedfromthecombinedgeodimetercombinedwithopticaltheodolitetointegralthelightreceivingsystemofopticalaxisofgeodimeterandcollimationaxisoftheodoliteforcoaxialmonolithictotalstationandsoonseveralstages.

Heightmeasurementfunctionofusingtotalstaonealizemeasurementofmetalcansofgradient,andtheJJG168-2005verticalsteeltankcapacityverificationregulations"7.3.6describedinthesamelevelmeasuringinclinationprinciple,method,approximate,alsocanbedividedintothetankandtankmeasurementtwoways. (1)totalstationtankmeasuringinclination.Selectedadirection,measureandrecordthefirstlapplateatthebottomofthecorrespondingpointsoftheelevationanddirectioninturnrotated45°,respectively,

measureandrecordthefirstlapplateatthebottomofthecorrespondingpointsofelevation,maximumdifferenceinthetwosymmetricpointelevationcalculation. (2)totalstationtankmeasuringinclination.Outsidethetankwallatthebottomofthefirstlapplatecolorpenclearlyindicatethedirectionoftheeightsymmetrypoints,selectionofappropriatelocationfixedleveling,totalstation,asshowninfigure1,withthelaserspotonthebottomedgecolorpenmark,readthispointelevation.