| Customization: | Available |
|---|---|
| Accuracy Measurement Mode: | 2seconds |
| Vertical Lines: | 1 |
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1.Laser beam focused in non-prism mode for 400m distance. 2.Strong software to help to achieve the measurment. 3.RS232 or USB ports for option. 4.Good laser to protect the eyes of the surveyor. 5.Large LED display
SPECIFICATION:
Image Positive
Magnification 30×
Effective aperture 48mm
Distinguish ability 3.75″
Minimum focus 1m
Stadia ratio 100
Sight distance precision ≤0.4%D
Tube length 172mm
Measuring method Absolute encoder
Diameter of circle (vertical, horizontal) 79mm
Minimum reading 1″
Measuring unit 360°/400gon/6400mil Selectable
Vertical angle0° Zenith0°/Horizontal0°Selectable
Accuracy 2″
Distance Measurement
Single prism (under fair weather condition)
DTM622R4 : 2.5km
Triple prism (under fair weather condition)
DTM622R4 : 5km
No prism (under fair weather condition) white flour 90% reflectivity
DTM622R4 : 400m
Display Max:999999.999m Min:1mm
Unit
m /ft Selectable
Accuracy prism:±(3mm+2ppm·D);
no prism:±(5mm+3ppm·D)
Measuring time Fine single shot: 3S
Tracking: 0.8 S
Meteorological Correction Manual input, Auto correction
Reflection prism correction Manual input, Auto correction
Plate vial 20″/2mm
Circular vial 8′/2mm
System Single axis or Double axis photoelectric tilt sensor
Working ability ±3′
Resolving power 1″
Plummet optical or laser plummet
Image Erect
Magnification 3×
Focusing range 0.3m~∞
Field of view 5°
Display
Type Double sides,LCD display
Data Communication
Port RS-232C,SD Card,Bluetooth Selectable
Power resource Li- battery
Voltage DC7.4V 4000mAh
Continuous operation time Angle measurement: 20 hours
Distance measurement: 8 hours
Operation Environment
Operating temperature -20°~+50ºC
Dimension 174mm×207mm×383mm
Weight 6.5kg
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