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ALTM 3100EA Airborne Laser Terrain Mapper

ALTM 3100EA Airborne Laser Terrain Mapper

Product catalog summary

Introduction
The Optech ALTM 3100EA is an advanced Airborne Laser Terrain Mapper designed to provide enhanced accuracy for detailed mapping. It offers precision results with an accuracy of ±3 cm under optimal conditions, making it ideal for large-scale mapping projects.

Specifications

Operating Altitude: 80-3,500 m nominal
Horizontal Accuracy: 1/5,500 x altitude; 1-sigma
Range Capture: Up to 4 range measurements per pulse
Intensity Capture: 12-bit dynamic range
Scan Frequency: Variable, up to 70 Hz
Scan Angle: Variable from 0 to ±25°
Swath Width: Variable from 0 to 0.93 x altitude
Laser Repetition Rate: Up to 100 kHz
Beam Divergence: Dual divergence 0.3 mrad or 0.8 mrad
Power Requirements: 28 VDC, 35 A max
Operating Temperature: Control rack: +10°C to +35°C; Sensor head: -10°C to +35°C
Storage Temperature: -10°C to +50°C
Humidity: 0 - 95% non-condensing

Control Rack and Sensor Head
The control rack is vibration-isolated with dimensions of 65 cm x 59 cm x 49 cm and a weight of 53.2 kg. The sensor head fits standard camera mounts and weighs 23.4 kg.

Processing Software
The REALM Survey Suite includes differential kinematic GPS solutions, trajectory optimization, and vegetation classification features. It is compatible with Windows NT/2000/XP.

GPS Ground Support
Requires multiple base stations with dual frequency receivers and Rinex output. GPS data quality is crucial for maintaining accuracy, requiring at least four satellites in lock and a PDOP of less than 4.

Contact Information
Optech International, Inc. in the USA and Optech Incorporated in Canada provide contact details for inquiries.

Catalog excerpts

ALTM 3100EA Airborne Laser Terrain Mapper-1

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