Sonar and Magnetometer

EdgeTech 4200 Side-scan Sonar


Technical Specifications:
  • Frequency: Choice of either 100/400, 300/600 or 300/900 kHz dual simultaneous
  • Operating Range (meters/side): 100 kHz: 500m, 300 kHz: 230m, 400 kHz: 150m, 600 kHz: 120m, 900 kHz: 75m
  • Horizontal Beam Width: 100 kHz: 1.5°, 300 kHz: 0.5°, 400 kHz: 0.4°, 600 kHz: 0.26°, 900 kHz: 0.2°
  • Resolution Along Track: 100 kHz: 5 m @ 200 m
    300 kHz: 1.3 m @ 150 m
    400 kHz: 0.6 m @ 100 m
    600 kHz: 0.45 m @ 100 m
    900 kHz: 18 cm @ 50 m
  • Resolution Across Track: 100 kHz: 8 cm, 300 kHz: 3 cm, 400 kHz: 2 cm, 600 kHz: 1.5 cm, 900 kHz: 1 cm
  • Vertical Beam Width: 50°
  • Depression Angle: Tilted down 20°
  • Diameter: 11.4 cm (4.5 inches)
  • Length: 125.6 cm (49.5 inches)
  • Weight in Air/Saltwater: 48 / 36 kg (105 / 80 pounds)
  • Depth Rating (Max): 2,000m
  • Standard Sensors: Heading, pitch & roll
  • Options: Pressure Sensor, Magnetometer, Integrated USBL Acoustic Tracking System, Built-in Responder Nose, Depressor, Power Loss Pinger and Custom Sensors

EdgeTech 4125 Side-scan Sonar


Technical Specifications:
  • Frequencies (Dual Simultaneous): Choice of either a 400/900 kHz or 600/1600 kHz towfish
  • Operating Range: 150m @ 400 kHz, 75m @ 900 kHz; 120m @ 600 kHz, 35m @ 1600 kHz
  • Horizontal Beam Width: 0.46° @ 400 kHz, 0.28° @ 900 kHz; 0.33° @ 600 kHz, 0.20° @ 1600 kHz
  • Resolution Across Track: 100 kHz: 8 cm, 300 kHz: 3 cm, 400 kHz: 2 cm, 600 kHz: 1.5 cm, 900 kHz: 1 cm
  • Vertical Beam Width: 50°
  • Pulse Type: EdgeTech’s Full Spectrum® CHIRP (user-selectable CW pulses also included)
  • Diameter: 9.5 cm (3.75 inches)
  • Length: 112 cm (44 inches)
  • Weight in Air: 20 kg (44 pounds)
  • Max Depth Rating of Towfish: 200m
  • Standard Sensors:Heading, Pitch, Roll, Pressure (Depth)

Marine Magnetics SeaQuest Magnetometer


Technical Specifications:
  • Worldwide operation: No restrictions or dead zones
  • Resolution: 0.001 nT
  • High sensitivity: 0.01 nT
  • Highest absolute accuracy: 0.1 nT
  • Power consumption: 2W standby, +1W persensor,+2W per altimeter
  • No temperature dependence: Data accuracy does not change through a temperature range of –40C to +60C
  • Altimeter: 0-100m range, 0.1m step
  • Heading: 3-axis magnetoresistive compass,0.1 degree step
  • Tilt sensor: Two-axis,0.1 degree step
  • Pressure sensor: 300m range,0.1m step (others optional)

Marine Magnetics SeaSpy Magnetometer


Technical Specifications:
  • Operating Zones: No restrictions
  • Resolution: 0.001 nT
  • Sensor Sensitivity: 0.01 nT
  • Absolute Accuracy: 0.1 nT
  • Power Consumption: 1W standby, 3W maximum
  • Range: 18,000nT to 120,000nT
  • Gradient Tolerance: Over 10,000nT/m
  • Sampling Range: 4Hz – 0.1Hz
  • Towfish Length: 119 cm (47 inches)
  • Towfish Diameter: 7.6 cm (3 inches)
  • Towfish Weight in Air: 12kg (27 lbs)
  • Towfish Weight in Water: 4kg (9 lbs)