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Smart Unmanned Survey Vessel

ALPHA ARK-N

ALPHA ARK-N is a newly launched intelligent Unmanned Survey Vessel from Alphageo, featuring a highly integrated main control system, built-in high-precision positioning system, single-beam echo sounder, and vessel control software, making your surveying operations more effortless. With high-power propellers, each delivering 850W of power and a maximum speed of 7 m/s, it effortlessly handles survey tasks in rivers, lakes, reservoirs, and other water bodies. The smart remote controller integrates multiple communication methods, including radio bridge, 4G, Wi-Fi, and Bluetooth, eliminating the need for cumbersome peripheral devices such as bridge base stations, laptop, and portable power supplies. It supports remote-controlled surveying, autonomous surveying, surface hovering, automatic return-to-home, and other functions, while also offering internal data storage and remote control capabilities, ensuring greater efficiency in your work.

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Automatic measurement

Automatically perform tasks andreturn autonomously.

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Dual-antenna GNSS configuration

High positioning and orientation accuracy with dual antennas, supports BeiDou precision.

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Integrated main control design

Highly integrated central control computer, less complex cabin wiring.

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Sensitive obstacle avoidance system

Smart autonomous obstacle avoidance.

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High-power dual-propeller

1700w max power, 7 m/s top speed.

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Specifications

GENERAL
Dimensions 950mm(L)×500mm(W)×350mm(H)
Weight 6kg (without battery)
Payload Mini single-beam echo sounder only (default)
Material Nano carbon fiber polymer composite
Protection level IP67
Anti-wind & Anti-wave Resistant to Cat 3 winds, Cat 2 waves
System assembly Modular, simple assembly and usage process without using complex tools
Boat shape Trimaran
Navigation lights A pair of two-color navigation lights
Camera 360° full view camera
Obstacle avoidance Millimeter-wave radar
Dimension 430 (H) × 255 (L) × 235 (W) mm
Weight 9.3 kg
POSITIONING
GNSS antenna Dual antenna, pre-installed in front and rear individually
Tracking performance

GPS:L1C/A,L2P,L2C,L5;


BDS:B1I,B1C,B2a,B2b,B2I,B3I;


GLO:G1,G2,G3*;


GAL:E1,E5b,E5a,E5AltBoC*,E6c*;


QZSS*:L1C/A,L2C,L5;


SBAS*:L1C/A,L5;


IRNSS*:L5;

Accuracy Horizontal: 0.008m+1ppm Vertical: 0.015m+1ppm
IMU IMU onboard
IMU performance Heading accuracy 0.15°@1m baseline, orientation accuracy 0.25°@1m baseline
Minimum Focus 1.5 m

COMMUNICATION

Cellular network 4G LTE
Communication mode 4G & network bridge
Data communication 4G & network bridge
Video communication 4G & network bridge
Remote control unit Android remote controller
Communication distance

2.5km using network bridge


Unlimited using 4G network

Software

Control & acquisition software (Android)


Post-processing software (Windows)

ELECTRICAL
Battery 33V/45Ah portable and detachable high-performance ternary lithium battery
Battery life 7 hours @1.5~2m/s
Cruising speed 1.5m/s ~ 2m/s
Maximum speed 7m/s
Motor High-efficiency culvert brushless motor
Motor power Typical 850W each
Propeller Ducted propeller
Steering mode Steering engine free, differential steering, reversible
SOUNDING PERFORMANCE
Frequency 200KHz
Beam angle
Sounding range 0.4m ~ 100m
Sounding accuracy ±1cm±0.1%D (D is the depth value)
Resolution 0.01m
Pressure depth ≥50m

Applications

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Building Construction
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Road Construction
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Tunnel Construction
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Bridge Construction

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