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ETL Series Laser Theodolite
Specifications
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ET-02/ET-02L
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ET-05/ET-05L
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ET-10
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Telescope
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Image
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Erect
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Magnification
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30X
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Effective aperture
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45mm
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Resolving power
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3"
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Field of view
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1o 30'
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Minimum focusing distance
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1.4m
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Stadia ratio
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100
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Stadia constant
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0
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Tube length
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157mm
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Angle Measurement
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Reading system
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Absolute Encoding
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Diameter of circle (VHz)
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79mm
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Minimum reading
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1"/5" (Selectable)
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10"
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Accuracy
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2"
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5"
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10"
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Horizontal angle
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Dual
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Dual
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Dual
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Vertical angle
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Dual
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Single
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Single
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Display
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(LCD) Display type
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2 sides
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Level Sensitivity
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Plate level
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30"/2mm (30" per 2mm)
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Circular level
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10'/2mm (10' per 2mm)
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Auto Vertical Compensator
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System
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Liquid-electric detection
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Working range
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+-3'
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Accuracy
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1"
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Optical Plummet Telescope
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Image
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Erect
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Magnification
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3X
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Focusing range
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0.5m ~ â
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Field of view
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5o |
Physical Characteristics
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Operating temperature
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-20oC ~ + 45oC
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Internal power supply
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Rechargeable Ni-H battery/AA battery
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Voltage
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6 VDC
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Operating Time
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10 hours
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Dimension
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L145mm x H318mm x W179mm
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Weight
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5.2 kg
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