Surveying instruments
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Surveying Instruments PowerPoint PPT Presentation


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Surveying Instruments. A surveyor ’s level : a revolving telescope on a tripod. It is fitted with cross hairs ,. a nd spirit level. It is used by surveyors in finding points of identical elevation. Automatic digital level uses barcode technology.

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Surveying Instruments

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SurveyingInstruments


A surveyor’s level: a revolvingtelescope on a tripod


Itisfittedwith cross hairs,


and spiritlevel


Itisusedbysurveyors in findingpointsofidenticalelevation


Automaticdigitallevelusesbarcodetechnology


Togetanelevationmeasurementfrom a speciallevelrod


Thisproduces a directelectonicreading and storageof data aboutelevation…

Possibletranscriptionerrors are eliminated.


More expensivethan a standard high qualityautomaticlevel.

  • New digitallevelshavebeenfurtheremployedexpandingtheirmemory.

  • Whenyouhavemeasuredheight and distance, allyouhaveto do isaim a specialcode staff


Thenyou press a single key

and the results are immediatelyshown on the LCD display.

This way “digital” getsheight and distancemeasurementverysimple.


This system can beusedas long as the cross hairisvisible

  • In low light conditions

  • In verybrightsunshine


Theseinstrumentshavebeendesigned

  • toprovideaccurancywhichdoesn’t change in adverseenvironments


Heatshimmer


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