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N7 Series

    ● World’s first dual-laser EDM model ● 2”angle accuracy ● Reflectorless range up to 2000m ● Smaller laser spot for minimal measuring error ● Windows CE 6.0 OS, with software WinTS, WinEG, WinMG on board, featuring field-to-office programs like COGO, Road, Resection, Stake-out, Construction Deformation, Mapping & Drawing, etc.

Model: N7/N7H/N7 Plus

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N7 Series Brochure

Features

What is new for N7 series


N7

Specification

Distance Measurement EDM System Laser Class 3R*1
Wave legnth: 650 - 690 nm. 150MHz Frequency
Measurement Range Single Prism*2: 5000m
Reflective Sheet*3: 800m
Reflectorless*4: 800m
Accuracy Single Prism: ±(2+2ppm.D)mm
Reflective Sheet: ±(3+2ppm.D)mm
Reflectorless: ±(3＋2ppm×D)mm*5
Measuring Time Prism: Tracking < 0.1s, Fine < 0.3s
Sheet: < 0.3s
Reflectorless: 0.3-3s*6
Atmospheric Correction Manual Input, Auto Correction
Prism Constant Manual Input
Dist. Unit Freecale Sensor
Reading Measuring Time Fine Mode < 0.3s; Tracking Mode < 0.1s
Atmospheric Correction Auto Correction
Prism Constant Manual Input
Angle Measurement Measurement Method Absolute Encoding
Diameter of Absolute Encoding Disk 79mm
Minimum Reading 0.1” or 1” option
Accuracy 2〞
Detection Method Horizontal: 4 path, Vertical: 4 path
Endless Drives N7: --
N7H: --
N7 Plus: Smooth movements with no delayed response time
Telescope Image Erect
Effective Aperture 48mm
Magnification 30 X
Field of View 1°30’
Minimum Focusing Distance 1.4m
Automatic Compensator System Dual-Axis Liquid-electric Sensor Compensation
Working Range ±4′
Accuracy 1”
Sensitivity of Vial Plate Vial 30”/2mm
Circular Vial 8”/2mm
Laser Plummet (Default) Accuracy ±1.5mm (in 1.5m InsHt)
Wave Length 630nm-670nm
Laser Power ≤ 0.4mW
Auto Height Working Range N7: --
N7H: 0.5-3m
N7 Plus: 0.5-3m
Min. Reading N7: --
N7H: 1mm
N7 Plus:1mm
Accuracy N7: --
N7H: ±1.5mm
N7 Plus: ±1.5mm
Optical Plummet (Option) Image Erect
Magnification 3X
Focusing Range 0.5m - ∞
Field of View 5°
Guide Light Type LED
Wavelength Red 635nm/ Green 590nm
Effective Range 200m
General Operate System Windows CE 6.0
Processor Intel PXA310 624Mhz
Processor 128M DDR, 512M NAND Flash
Display 3.5inches LCD Touch Screen 640*480dpi
Communication RS-232, Mini USB, USB OTG, SD card; Bluetooth V2.0+EDR, 10m range; WIFI 802.11
Battery Rechargeable Lithium Battery
Voltage 7.4V DC
Capacity 5000mA
Operation Time 10 hours
Environment -20°C～±50°C
IP Standard IP55
Dimension and Weight 196×192×360mm, 6.2kg

*1. EN60825-1: 2007 *2. Good conditions: No haze, visibiliity about 40km. Overcast, no scintillation *3. Good conditions. With Koada gray card white side (90%) reflective. sheet size 60*60mm. 400m under good conditions with koada gray card grey side (18%) *4. With Kodak gray card white side (90%) reflective. Reflectorless range /accuracy may vary according to measuring objects, observation situations and environmental conditions *5. Range less than 200m. When 200m to 500m, 5+2ppm and measurement time maximum less than 10 second *6. Typical, under good conditions. Range less than 500m. It also depend on object surface. Maximum less than 10s Note: all information above is subject to change without any prior notice.

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