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Theodolite




   
技术参数


ModelLDT 202BLDT202BL
Telescope
Length of  Telescope156mm
ImageErect
Objective Lens   
Aperture
45mm
Magnification30X
Field of View1°30″
Resolving Power3.5″
Shortest Sighting   
Distance
1.3m1.5m
Stadia Ratio100
Stadia Constant0
Angle Measurement
MethodAbsolute type encoder
DetectingHorizontal:Double

Vertical:Single
MinimumReading1"/5" Optional
Accuracy2″
Display PanelDouble Face
Compenstor
Tilt SensorYes
Range+/-3′
Output Interface
Communication   
Standard
RS232C
Date Output InterfaceYes
Memory1000
Laser Plummet
Laser power1mW
Dot Diameter<=2mm
Accuracy1.0mm
Base
Base ModelSeparated
Power
BatteryChargeable battery or 4*AA alkaline
Working TimeAbout 45 Hours
Bubble
Sensitivity of  Long Vial30″/2mm
Sensitivity of  Bubble8′/2mm
Other
Size160x175x340mm
Temperature-20℃~+50℃
Net Weight4.8kgs
Collimation laser
Wave lengthNo635nm
Max working distanceNo200m(cover the sunsight)

Coaxial error of Laser
Axis and  Visual of the
collimation axis

No<=10″