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Telescope
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Tube length
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125 mm (4.91 in.)
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Magnification
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30 X
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Effective diameter of objective
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40 mm (1.57 in.)
EDM 45 mm (1.77 in.)
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Image
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Erect
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Field of view
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1°20'
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Resolving power
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3.0"
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Focusing distance
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1.5 m to infinity (4.92 ft to infinity)
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Measurement range
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Distances shorter than 1.5 m (4.92 ft) cannot be measured with this EDM.Measurement range with no haze, visibility over 40 km (25 miles)
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Prism mode
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Reflector sheet (5 cm x 5 cm)
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270 m (886 ft)
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Standard prism (1P)
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3,000 m (9,840 ft)
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Reflectorless mode
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Reference target
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300 m (984 ft)
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• The target should not receive direct sunlight.
• “Reference target” refers to a white, highly reflective material.
(KGC90%)
• The maximum measurement range of the DR 1'' and DR 2'' is 500m in the
reflectorless mode.
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Distance precision
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Precise mode
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Prism
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± (2 + 2 ppm × D) mm
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Reflectorless
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± (3 + 2 ppm × D) mm
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Normal mode
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Prism
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± (10 + 5 ppm × D) mm
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Reflectorless
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± (10 + 5 ppm × D) mm
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Measurement intervals
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Measurement intervals may vary with the measuring distance or weather conditions.
For the initial measurement, it may take few more seconds.
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Precise mode
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Prism
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1.6 sec.
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Reflectorless
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2.1 sec.
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Normal mode
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Prism
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1.2 sec.
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Reflectorless
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1.2 sec.
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Prism offset correction
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–999 mm to +999 mm (1 mm step)
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Angle measurement
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Reading system
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Absolute encoder
Diametrical reading on HA/VA
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Minimum display increment
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360°
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1''/5''/10"
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400G
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0.2 mgon/1 mgon/2 mgon
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MIL6400
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0.005 MIL/0.02 MIL/0.05 MIL
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Tilt sensor
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Method
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Liquid-electric detection (Dual axis)
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Compensation range
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±3'
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Tangent screw
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Friction clutch, endless fine motion
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Tribrach
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Detachable
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Level
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Electronic level
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Displayed on the LCD
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Circular level vial
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Sensitivity 10'/2 mm
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Laser plummet
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Wave length
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635 nm
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Laser class
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Class 2
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Focusing range
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∞
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Laser diameter
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Approx. 2 mm
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Display and keypad
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Face 1 display
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QVGA,16 bit color, TFT LCD, backlit (320 x 240 pixel)
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Face 2 display
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Backlit, graphic LCD (128 x 64 pixel)
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Face 1 keys
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22 keys
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Face 2 keys
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4 keys
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Connections in the instrument
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Communications
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RS-232C
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Maximum baud rate 38400 bps asynchronous
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USB Host and Client
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Class 2 Bluetooth® 2.0 EDR+
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External power supply input voltage
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4.5 V to 5.2 V DC
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Battery pack
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Output voltage
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3.8 V DC rechargeable
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Continuous operation time
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Continuous distance/angle measurement
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approx 12 hours
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Distance/angle measurement every 30 seconds
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approx 26 hours
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Continuous angle measurement
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approx 28 hours
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Tested at 25 °C (nominal temperature). Operation times may vary depending on the
condition and deterioration of the battery.
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Environmental performance
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Operating temperature range
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–20 °C through +50 °C
(–4 °F through +122 °F)
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Storage temperature range
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–25 °C through +60 °C
(–13 °F through +140 °F)
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Dimensions
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Main unit
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149 mm W x 158.5 mm D x 308 mm H
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Carrying case
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470 mm W x 231 mm D x 350 mm H
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Weight
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Main unit without battery
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4.1 kg (9.0 lbs)
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Battery
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0.1 kg (0.2 lbs)
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Carrying case
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3.3 kg (7.3 lbs)
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Charger and AC adapter
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0.4 kg (0.9 lbs)
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Environmental protection
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Watertight/dust-proof protection
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IP66
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RTK GNSS
CHC
