professionalGNSS STATIONTo inquire3,leveling,thepurposeistomaketheinstrumentverticalaxisverticalandhorizontalcircle.AccordingtothedefinitionofthehorizontalAngle,istwodirectionlineinthehorizontalplaneprojectionAngle,sothehorizontalcirclemustbelevel. Thickflat:telescopictripodlegs,makethecirclelevelbubbleinthemiddle. Checkandprecisefor:checkofleicaelectronictheodolitetosignofftheground.Ifoff,unscrewthetripodconnectionscrewbasemakethelogoonaccuratetranslationinstrumentaimedatthecenterofthesitemeasurement,

itiswidelyusedinnationalelevationcontrolsurvey,engineeringsurveyandconstructionmeasurement.Levelingprincipleistouseleveltoprovidethelevelofthelineofsight,readuponthetwopointsofthereadingonthegraderod, todeterminethedifferencebetweentwopoints,thenaccordingtotheknownpointsstayfixedpointelevationheightcalculation.

ThenewwayofscalescorewasusedtophotoelectrictechnologyandelectronicmicrometertechnologymustbecoupledwithopticalAnglemeasuringprinciple. AtpresenttherearethreekindsofopticalAnglemeasuringscale,andtransitzonetypedial,namelylightsheddialandcodingdial,onlyundertheintroductionareatypedialdynamicAnglemeasuringprinciple.Azonetypeglassdial.

thenasfromeasttowestisthecelestialspheretorotatearoundtheus,andcelestialnorth(south)isjustinthelandoftheearthandthenorth(south)poleisover, celestialequatoralsojustareabovetheearth'sequator,accededtothethroneinthecenterofthetwocelestialpole.Liketheearthisthesame,we'llscoreonthecelestialspherelongitudeandlatitude,

Theodoliteintroductionto: 1,HR-righthand(clockwise)levelAngle,theHL-left-handedhorizontalAngle(counterclockwise). 2,chongqingtheodoliteoperationsteps(method)intheopticalto A.transiterectioninstrument:chongqingchongqingtheodoliteinframehead,generallymaketheframeheadlevel,tightenthescrewconnection. B.to:thepurposeistomakeinstrumentsandtestsiteislocatedinthesameverticallineinthemiddle.Canmovefeet,rotatingfeetscrewsothattosigninperfectalignmentinthemiddleofthetestsite.

telescopemagnificationisbig,strongbrightness,instrumentstructurestrong,especiallythetelescopeandpipeconnectionbetweenthelevelandfirm,equippedwithopticalmicrometer, andisequippedwithpreciselevelingstaff, inordertoimprovetheaccuracyofreading.China'sproductionofleaningtypeprecisionlevel, compensatortothecrosshaircenterdistance,namelyKZ)conditions,

willreducethecorrespondingtemperaturedeviation,andifthesmallsizeofworkpiece,thenmeasurethetemperaturedeviationwillbeappropriate. Inadditiontotheabovemeasurestoavoiderror,thestaffintheuseofmeasuringinstrumentsintheprocessofthecorrectuseandmaintenanceisalsooneofthewaystoavoiderror. Properuseandmaintenanceofmeasuringinstrumentscanprolongtheservicelifeofinstrumentcanalsoreducetheerrorofmeasurement,

andthenreadouttogeometricmeasurements.Automaticimagemeasuringinstrumentisbasedonmanualimagemeasuringinstrument,computersysteminsteadofmanualcontrolforcontrollingthemovementoftheX,Y,Zaxis,intheselectionofthecontoursoftheobjecttobetested, thegeometricquantitiessuchasAngle,moreaccurateandconvenient.Atpresenthasbecomethedomestictypeofwidelyusedimagemeasuringinstrument,andhasatendencytoreplacethemanualimagemeasuringinstrument.