South N4 series

Back-lights keypad with 3.5 inch colourful LCD touch screen, display for easy viewing of graphics and operations. Active screen back-light technology. Integrated the Random detection of overbreak & underbreak, Excavation contour line lofting, Cross-section measurement, Points & lines lay-out and Data processing as a whole. One-key operation to finish the data seamless transform among modules. Millimeter accuracy ensured by considering various plane curve and vertical curve, contour shape and tunnel interface in same time.

The south N4 package includes:

  • Main unit 1x
  • Lens cover 1x
  • Battery holder 1x
  • Battery LB-01 2x
  • Tools pouch 1x
  • Plummet 1x
  • SD card 1x
  • Manual 1x
  • Warranty card 1x
  • Charger LC-01 1x
  • Reflective sheet 1x
  • Carry case 1x
  • Belt 2x
  • Mini USB cable 1x

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Onboard System

With the highly productive function and performance on each level, N41 has a wide range of applications such as surveying, engineering and constructions. The internal Bluetooth, SD Card port and USB afford a direct and fast data transfer between total station and PC.

Tunnel System

With the characteristics of simple operation, graphical display, rapid and accurate calculation, it can easily realise the section data acquisition, analysis, construction stake-out, random detection in real-time. This software is convenient for operator to finish the tunnel project, also meet all the requirement of saving money and time.

· Real-time graphic display for data collection.

· Reliable analysis of section measurement result,  fast calculation for tunnel overbreak and underbreak.

· Auto-match and calculation among designed flat curve, designed vertical curve, theoretical section and actual measuring data.

· 3D coordinate of blast hole profile, can stake-out directly in tunnel.

South N4 Series Total Station

●1”/2” Accuracy

●1000m/600m reflectorless EDM

●Guide light 150m

●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

Basic settings of the South N4 Total station

South N40 total station Measurement GUIDE



Distance Measurement Reflectorless 1000m
Single Prism 5000m
Accuracy: Non Prism 3+2ppm
Accuracy: Prism N41: 1+1ppm
N40: 2+2ppm
Sheet 3+2ppm
Measurement Time 1.2s In Fine
0.2s In Tracking
Atmospheric Correction Manual Input, Auto Correction
Prism Constant Manual Input, Auto Correction
Temperature Correction Sensor Reading
Distance Reading Max: 99999999.999m Min: 1mm
Angle Measurement Accuracy N41: 1″
N40: 2″
Method Absolute, Continuous
Disk Diameter 79mm
Detection Method V: Quadruple, H: Quadruple
Angle Reading Min: 0.1″
Telescope Image Erect
Tube Length 152mm
Effective Aperture 45mm (EDM 47mm)
Magnification 30x
Field Of View 1°30′
Resolving Power 3″
Minimum Focus Distance 1.5m
Reticle Illumination 4 Brightness Levels
Keyboard And Display Keyboard Alphanumeric 30 Keys
Display 3.5 Inches, Color Touch LCD
Resolution 320*240 dpi
Position Face 1, Face 2
Operation System Operation System None
Processor None
Memory 98M, 833000 Data Block
Interface WIFI None
Bluetooth BT4.0
SD Card Yes
Serial Port Yes
Mini USB Yes
Mirco USB None
USB Flash Disk Yes
SIM Card None
Compensator System Liquid, Dual Axis
Working Range ±6′
Accuracy 1″
Plummet Laser Plummet (Default)
Accuracy ±1.5mm @1.5m
Laser Brightness 5 Levels Adjustable
Wavelength 635nm
Laser Class Class 2
Laser Power 0.5mW
Optical Plummet (Optional)
Image Erect
Magnification 3x
Focusing Range 0.5m —
Field Of View 5″
Battery Type Lithium
Voltage 7.4V
Operating time 8 hours
Vial Plate Vial 30″ /2mm
Circular Vial 8′ /2mm
General IP Rate IP54
Temperature Range -20°C — +50°C
Dimension 206*200*353mm
Weight 6.0kg
Others Trigger Key
Others Camera Optional
Others Auto Height & Guide Light (Optonal)

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