GOWIN TKS402N,LANGUAGE:ENGLISH; NONE PRISM:500M; External 64GB USB FLASH; 6LINES BIG DISPLAY.
Specifications:
Specifications:
Telescope
| Objective Lens Diameter 45mm (EDM:50mm) |
| Magnification 30x |
| Image Erect |
| Field of View 1°30 |
| Resolve Power 3 " |
| Min. Focus Distance 1.3 meters |
Angle measurement
Method Absolute Reading
Minimum reading N/A, 1/5 mgon
Accurcy:2"
Distance measurement
The scope of a single prism 4000m
The scope of NON-PRISM: 500m
Measuring accuracy ± (2mm +2 ppm * D **) mse
Measuring Time:
Precision measurement ranging mode is about 1.1 seconds (the
first time, 2.2 seconds).
Coarse measurement mode is about 0.7 seconds.
Tracking mode is about 0.4 seconds.
Weather rectifying:yes
Prism constant correction :yes
Two differential correction :yes
Date transimission
External:USB flash drives MAX. 64GB
Internal: 50,000 points
Standard RS-232C communication interface
Display: 6lines big display
Water proof and dust proof: IP54