| After-sales Service: | 1 Year |
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| Warranty: | 1 Year |
| Transport Package: | Carton |
| Specification: | 180mm*175mm*355mm |
| Trademark: | UNIQUE |
| Origin: | China |
| Customization: |
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Audited Supplier |
Model DTM622R4
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Distance measurement
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Max distance (in good weather)
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Singles prism
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3.0Km
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Three prisms
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5.0Km
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No-prism
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400m
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Digital display
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Max:99999999.9999 m,Min.: 0.1mm
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Precision
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No-prism5+3ppm,have-prism 2+2ppm
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Unit
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m/ft for selection
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Time for measuring
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Single fine measurement 2 sec. tracking 0.8 sec
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Number of measurements
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1~ 99
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Meteorologic correction
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Automatic correction of input parameter
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Atmospheric refraction and earth curvature correction
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Automatic correction of input parameter, K=0.14
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Prism constant correction
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Automatic correction of input parameter
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Angle measurement
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Angle measurement method
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Absolute code
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Grating disc dia. (horizontal, vertical)
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79mm
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Min. reading displayed
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1″
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Detection method
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Horizontal circle: 2 sides
Vertical circle: 2 sides |
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Precision
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2″
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Telescope
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Imaging
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Right reading
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Barrel length
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170mm
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Objective lens effective aperture
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48mm
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Magnification
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30x
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Viewing angle
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1°30′
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Resolution
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3.5″
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Min. focus distance
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1.5m
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Automatic vertical compensator
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System
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Single axis, double axis liquid electronic sensor compensation
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Work range
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±3′
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Precision
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±3 ″
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Level
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Plate level
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20″/2mm, 30″/2mm
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Circular level
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8′/2mm
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Optical plummet
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Imaging
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Right reading
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Magnification
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3×
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Focusing range
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0.5m~∝
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Viewing angle
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5°
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Display
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Type
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Two sides, graphically
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Data transmission
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Interface
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RS-232C
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Battery
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Power supply
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Rechargeable Ni-MH battery, rechargeable lithium battery
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Volt.
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Lithium battery: DC7.6V; Ni-MH battery: DC7.2V
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Continuous operation time
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8hours
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Size and weight
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Size
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174×207×383mm
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Weight
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6.8kg
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Packaging
Multiple delivery methods
Tianjin Unique Technology Co., Ltd is an professional supplier for GIS data collector, Handheld GPS, GNSS RTK Receiver, GNSS for machine control, GNSS OEM Board, GNSS Antenna, Total station, Theodolite, and other Surveying equipments. Supply the best products and services to customers.
1. who are we?
We are based in Tianjin, China, start from 2017,sell to Africa(30.00%),South America(10.00%),Domestic Market(5.00%),South Asia(5.00%),Southern Europe(5.00%),Northern Europe(5.00%),Central America(5.00%),Western Europe(5.00%),Eastern Asia(5.00%),Mid East(5.00%),Oceania(5.00%),North America(5.00%),Southeast Asia(5.00%),Eastern Europe(5.00%). There are total about 11-50 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
GNSS RTK Receiver,GIS handheld GPS,GNSS Receiver for machine control,Total Station,GNSS Board
4. why should you buy from us not from other suppliers?
Tianjin Unique Technology Co., Ltd is an professional supplier for GIS data collector, Handheld GPS, GNSS RTK Receiver, GNSS for machine control, Total station, Theodolite, and other Surveying equipments. Supply the best products and services to customers.
Suppliers with verified business licenses
Audited Supplier 
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