ingeniería civil y materiales

Estación total sin prisma, Estación total láser

estación total láser

Model: DTM-120


Measuring distance  
Range Non-prism 300m/500m
Prism Single prism/3000m, triple prism/5000m
Accuracy Non-prism ±(5mm+3ppm*D)
Prism ±(2mm+2ppm*D), ± (3mm+2ppm*D)
Unit M/ ft
Digital display Maximum 99999999.9999m
Minimum 0.1mm
Measuring time Accurate measurement 1s( initial measurement 2.5s), tracking 0.8s
Measuring times 1~99
Metrological correction Input parameter automatic correction by input
Prism constant correction Input parameter automatic correction by
Angle measurement  
Measuring way Absolute encoding
Raster diameter 79mm
Min. Readout 1”
Detection mode Horizontal plate Diameter readout
Vertical plate Diameter readout
Accuracy 2”
Imaging Erect imaging
Lens cone length 170mm
Objective effective aperture 48mm
Amplification 30x
Field angle 1.5°
Resolution 3.5”
Min focusing distance 1.5m
Inclined angle compensator  
System Dual-axis photoelectrical compensator/single liquid compensator
Working scope ±3′
Resolution 1”
Display Double side, 240×160 graphical lcd display
Data Interface USB,RS-232C
Internal storage >40,000 points
Center point aligning Optical/laser
Power supply Rechargeable battery dc7.4v,4000mah
Continuous working time >8hrs
Overall dimension 174*207*383mm
Net weight 6.8kg
Working temperature -20℃~50℃

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Instrumentos topografia

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