Tritech StarFish 450H

Hull Mounted Side Scan Sonar (Shallow Water)

 

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Description

The full-body, three-fin, hydrodynamic design of the StarFish systems challenge the common cylindrical or torpedo-shape of traditional side scan sonars. The unique shape of the StarFish systems dramatically improves the stability of the sonar and consequently the quality of the images it produces. Furthermore, the advanced digital CHIRP (Compressed High Intensity Radar Pulse) acoustic techniques used by StarFish systems offer better range resolution compared to conventional, fixed-frequency side scan sonars.

Offering the same technical specification and imaging capability as the StarFish 450F sonar, the StarFish 450H sonar is designed to be fitted on to the hull or transom of a vessel. The 450H system removes the worry of snagging a towing cable for novice users and its compact, slim-line sonar design combined with flexible mounting bracket, ensures the system can be quickly fitted to a vessel.

The range also includes two higher specification units in high-visibility colours: StarFish 452F, a high-frequency system available in reinforced yellow polyurethane rubber and the StarFish 990F, which offers both higher frequency and resolution and is available in reinforced red polyurethane rubber

Technical information

Dimensions
Length: 195mm (7.68″)
Width: 130mm (5.12″)
Height: 35mm (1.38″)
Weight In Air: Approx 700g (1.54lb)
In Fresh Water: Approx 300g (0.66lb)

Body
Construction: Reinforced black polyurethane rubber
Depth Rating: 50m (164ft)
Cable Length: 5m (16.4ft) or 20m (65.6 ft)
Breaking Strain: >150kg (330.7lb)
Construction: Black polyurethane jacketed with internal Kevlar reinforcing (strain) member
Min Bend Radius: 30mm (1.2″)

Transducer
Arrangement: Dual transducers, with 30° down angle from the horizontal
Vertical Beam: 60° nominal width (@ -3dB signal level)
Horizontal Beam: 1.7° nominal width (@ -3dB signal level)

Acoustic
Frequency: 450kHz nominal
Range: 1m to 100m (3.28ft to 328.08ft) on each channel providing max 200m (656.17ft) total coverage
Mode: CHIRP pulse compression
Pulse Length: 400µs typical
Transmit Sourc: <210dB re 1Pa @ 1m

Datasheet

starfish-450h-side-scan-sonar-shallow-water

starfish-brochure (1)

Manual

starfish-450h-side-scan-sonar-shallow-water_hardware_manual

starfish-450h-side-scan-sonar-shallow-water-quick-start-guide

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