A theodolite is a precision optical instrument for measuring angles between designated visible points in the horizontal and vertical planes. The optical level is sometimes mistaken for a theodolite, but it does not measure vertical angles, and is used only for leveling on a horizontal plane. 

 

Specification:

Magnification 30X

Accuracy Vertical +6" +10"

 

Accuracy Horizontal +2" +6"

 

Objective Aperture 40mm

Shortest Focusing Distance 1.6m 2.0m

 

Field of view 1"20 1"30

 

Multiplication constant 100

Setting Accuracy +0.3" +1"

 

Working Range + 3

 

A total station is an electronic/optical instrument used in modern surveying and building construction that uses electronic transit theodolite in conjunction with electronic distance meter (EDM). It is also integrated with microprocessor, electronic data collector and storage system. 

 

Specification:

Magnification 30 x

Accuracy 2" 5" 2" 5"

 

Min. Readout 1" and 5"

Single Prism 2.0km 1.7km 1.8km 1.5km

 

Triple Prism 2.6km 2.3km 2.6km 2.3km

 

Data Port RS232C RS232

 

Internal Memory 8000 point 10,000 point

 

Max. Display 999999.999m

Comp. Range + 3

Resolution 1"

Op. Temperature -20 Deg C - +45 Deg C

 

 

Prism EDF, Diffraction grating, Micrometer Slit, Magnifier with LED, Allen Key, Wooden Box, Mercury light source.