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Eastern AsiaHigh qualityMeasuring a compasswholesaleService co

作者: Deruite Industry 发布时间: 2019-07-12 01:08:10

Eastern AsiaHigh qualityMeasuring a compasswholesaleService coSuchmachinehassimplestructure,lowercost,mainlycooperatewithground-basedtelescopes(geodesy,birdingpurposes),ifusedtoobserveobject,asaresultofthecelestialbodies, weeksdirectionisoftennotverticallyorhorizontallyandthehorizon,soyouneedtoturnbothaxisandtransformspeedovermetackobjects,butinthefieldofotherdayswillrotaterelativetothetargetobject,unlesswithoffsetfieldofrotatingmechanism,otherwise,shouldnotbeusedforthelongexposuretimeofastronomicalphotography.

TheodoliteisakindofAnglemeasuringinstrument,itisequippedwithatelescope,thehorizontalcircleandreadingsoftheindex,theverticalscaleandindexofreading. Theodoliteiswestsen(Sisson)bythemechanicaboutfirstdevelopedin1730,afterformingtheimprovement,theformalusedinBritishgeodesy. In1904,Germanybegantoproduceglassdialtheodolite.Withthedevelopmentofelectronictechnology,the60selectronictheodolite.Onthisbasis,the70smadetheelectronicmeasuringinstrument.

Fromtheoriginofthecompass,Taiwanbest,productiontimesinHongKong,mainlandproducemoretimes;Ifabeginner'shandsnocompass,itissuggestedthatyoumightaswellbuyacompassfrommainlandfirstuse,ifhavethechancetobuyaTaiwanafteracompass. MadeinmainlandChinacompassbothrotatinghandleandneedleprecisioncomparedwiththecompasscan'tTaiwan,thecompasstofindabestbuysotheneedledegreeisrelativelyaccuratecompasstochecktheaccuracyoftheneedleor360°scale,

Electronictheodoliteleveling.Theelectronictheodolitelevelingitisjusttomaketheelectronictheodolitehorizontalcircleinahorizontalposition.Concretelevelingoperationis:firstexpansionbetweenthelegs,makelevelingbubblecenteredroughlycentered,andthenadjustlevelknob,exactlevelbubbleinthemiddle. Electronictheodoliteaimandreadings.Thisstepismainlydividedintotwoparts.Parstaget,theeyepieceopticalelectronictheodolite,thenatthetarget,byadjustingtheeyepieceisclearobjectives.

2.Thickcoarsepingpingisthelineofsighttoinstrumentroughlevel,usingspiralrearfootcirclelevelbubbleindicatorsinthecirclecircle. Methods:thepracticewithinstrument.Intheprocessofleveling,thebubblemovingdirectionisconsistentwiththedirectionofmotionofthethumb. 3.Aimedatistouseatelescopeatthetargetaccurately.Firstistoputthetelescopetothedistantandbrightbackground,turntheeyepiecelensspiral,

hadbetterchoosedirectmeasurementmethod,specialcircumstanceswillchooseindirectmeasurement. Followedbycontactmeasurementandnon-contactmeasurement,respectively,thetwomethodsofmeasuringitisobviousfromthenameabovecandetermineitsdifference, non-contactmeasurementofnatureisnottoneedtocontacttheproductsurfacemeasurement,generallyUSESa3dmeasuringinstrument,