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Product Name:N4
Product Description:
Year of introduction :
Year of last update:2017
Height [m]:0.353
Width [m]:0.206
Depth [m]:0.206
Weight [kg]:6
Angle Measurement 
Standard deviation [arcsec]:2
Division [arcsec]:0.1
Standard deviations of other versions in serie:1
Distance Measurement with Prism 
Standard deviation: constant part [mm] :1
Standard deviation: variable part [ppm}:1
Division [mm]:1
Maximum range with 1 standard prism [m]:4000
Maximum range with 1 mini prism [m]:800
Maximum range with combined prisms [m]:5000
No. prisms for maximum range:1000
Distance Measurement without Prism 
Standard deviation: constant part [mm] :3
Standard deviation: variable part [ppm] :2
Maximum range on Kodak gray [m]:300
Maximum range on Kodak white [m]:600
Minimum size of spot at 100m [mm2]:
Minimum size of spot at maximum range [mm2]:
Automatic Tracking and Locking 
Maximum range [m]:
Range Standard deviation: constant part [mm] :
Range Standard deviation: variable part [ppm] :
Maximum angular speed [deg/s]:
Automatic aiming uncertainty in autolock mode [arcsec]:
Tracking and recovery of moving prism:N
Data Storage & Connectivity  
Internal memory [GB] :
SD Card [Y/N]: :Y
USB [Y/N] :Y
RS-232 /422 Serial [Y/N] :Y
Compact Flash [Y/N] :N
Bluetooth {Y/N}:Y
WiFi {Y/N} :Y
Radio [Y/N]:Y
User Interface 
Operating System:Linux
On-board survey software:Yes
No. faces:2
Resolution [px rows x columns]:
Color display:Y
Screen size: length of diagonal ["]:3.5
Screen type :LCD
Number of rows:
Characters per row:
No. keys:30
Note recording capability:N
Power Supply  
Battery:Rechargeable Lithium Battery
Capacity :7.4V dc
Max. operation time on one battery [hr]:8
Batteries hot-swappable:N
Integrated camera 
Integrated camera available [Y/N]:Y
Resolution [px rows x columns]:
Field of View Horizontal [deg]:12.5
Field of View Vertical [deg]:11.7
Minimum working temperature [degC]:-20
Maximum working temperature [degC]:50
IP dust/water protection class [IPxx]:IP54
Robotic operation 
Maximum range of robotic operation[m]:
Compatible with GNSS for detail survey:N
Recommended controller:
Controller IP rating:
Controller display type and size:
Graphical field note storage on controller:N
Camera in controller:N
Integrated Laser Scanning 
Integrated laser scanning available [Y/N]:N
Scan speed [points / second]:
Angular interval of scan points [arcsec]:
Laser plummet :Y
Guiding light :Y
Integration with GNSS receiver possible [Y/N] :N
Integration with RTK workflow possible [Y/N] :
Standard warranty [years] :2
Reach of global support network :Distributor network covers more than 120 countries all over the world, provide strong after-sale protection
More information 
Distinguishable features :"1”/2” Accuracy 1000m/600m reflectorless EDM Camera Optional for N40/N41 Bluetooth 4.0 Data transfer and storage T-P sensor, automatic correction Concentrated ball bearing EDM Trigger Key Control panel with high resolution touch screen"

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Supplier Information

  • 2/F, Surveying Building (He Tian Building) - NO.26,Ke Yun Road
  • 510665 Guangzhou
  • China