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VQ - 480

Technical Data

Range Measurement Performance:*
Eye safety class according to:
-IEC60825-1:1993+A1:1997+A2:2001

The following clause applies for instruments delivered into the United States:
-Complies with 21 CFR 1040.10 and 1040.11 except for deviations pursuant to Laser Notice No. 50, dated July 26, 2001.
Measuring Principle Time of flight measurement
Echo signal digitization
Online waveform analysis
Laser Pulse Repetition Rate 1
  
Max. Unambiguous Meas. Range 2
Natural Target 20%
Natural Target 60%
50 kHz
550 m
900 m
100 kHz
500 m
850 m
180 kHz
400 m
650 m
200 kHz
350 m
600 m
Typical Operating Flight Altitude AGL 3
Meters
Feet
50 kHz
450 m
1500 ft
100 kHz
400 m
1300 ft
180 kHz
320 m
1000 ft
200 kHz
280 m
900 ft
Effective Measurement Rate 1, 3
50 kHz 25,000 measurements per second
100 kHz 50,000 measurements per second
180 kHz 75,000 measurements per second
200 kHz 100,000 measurements per second
Minimum range 10 m
Accuracy 4, 6 25 mm
Precision 5, 6 25 mm
Laser Pulse Repetition Rate 1 Up to 200 kHz
Max Eff. Measurement Rate 1 Up to 100,000 measurements per seconds
(@ 200 kHz PRR & 60° FOV)
Echo Signal Intensity For each echo signal, high-resolution 16 bit intensity information is provided
Laser Wavelength Near infrared
Laser Beam Divergence 0.3 mrad
Laser Beam Footprint
(Gaussian beam definition)		 @100 m = 31 mm
@250 m = 75 mm
@500 m = 150 mm
Scanner Performance:
Scanning Mechanism Rotating Multi-Facet Mirror
Field of View (Selectable) 60° (+30° / -30°)
Scanning Rate (Selectable) 10-100 scans per second
Angular Step Width Δ
Between Consecutive Laser Shots
(Selectable)		 Δ ≤ 0.006° ≤ Δ ≤ 0.24°
(PRR in excess of 100,000 Hz) 10
Angle Readout Resolution 0.001°
Internal Sync Timer For GPS-synchronized time stamping of scan data
Scan Sync For synchronizing scan lines to an external timing signal
Physical Data :
Main Dimensions
(Diameter x Length) 		180 x 345 mm (without mounting brackets)
Weight 11.5 kg
Electrical Data:
Power Supply Input Voltage 18 - 35 V DC
Power Consumption Typ. 65 W
Environmental Data :
Temperature Range -20° C to +50° C (Storage)
-10° C to +40° C (Operation)
Humidity Max. 80% non-condensing @ +31° C
Protection Class IP64, dust and splash-proof
Operating Altitude 8 Up to 16,500 feet (5000 m)
Angular resolution 0.0025°
Data Interfaces :
Configuration LAN 10/100/1000 Mbit/s
Scan Data Output LAN 10/100/1000 Mbit/s
GPS System Serial RS232 Interface with GPS Time Information
TTL Input for 1 PPS Sychronization Pulse
Mechanical Interfaces:
Mounting of Laser Scanner 2 mounting brackets (with 6 x M6 thread inserts)
Mounting of IMU Sensor 3 x M6 thread inserts in the bottom plate (rigidly coupled with the internal mechanical structure)

 

Footnotes
1) Rounded values
3) The following conditions are assumed: target larger than footprint of the laser beam, perpendicular angle of incidence, visibility 23 km, average ambient brightness.
4) Reflectivity p ≥ 20%, +/- 30° FOV, additional roll angle +/- 5°.
5) Accuracy is the degree of conformity of a measured quantity to its actual (true) value.
6) Precision, is also called reproducibility, or repeatability, is the degree to which further measurements show the same result.
7) One sigma @ 150 m range under RIEGL test conditions
8) For standard atmospheric conditions: 1013.25 mbar at sea level, +15° C


Main Applications

Topography & Mining
Corridor Mapping
City Modeling & Power Lines
Map Lakesides & River Banks
Agriculture & Forestry
Target Classification
Glacier & Snowfield Mapping

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VQ-480 Technical Specifications »