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Marport Pro - Trident Overview by Marport Support Channel

Marport Trident Pro

Electronic Navigations Ltd - March 11, 2023

Four-beam Net Sounder

An innovative NEW wireless net sensor for demersal trawling, incorporating FOUR echosounders in one sensor! 

Marport Trident Pro allows skippers to scan a much larger section below / above the headrope, This allows the skipper to identify if target schools are holding to port / centre / starboard, and adjust the rig to steer through the schools accordingly. 

Advantages

  • 4-Beams
  • Increased vertical resolution
  • Switches automatically between auto range when head line height is less than 10 m
  • Ranges from 20-180 m
  • 20° beams
  • 3 × faster update rate
  • Echograms updated 0.6-2.5s (depending on range)
  • Up 96h of operation at full update speed

Invertible sensor

  • 4 Beams Down, 1 beam Up
  • 4 Beams Up, 1 beam Down

Data stream

  • 4x TE Net Sounder channels
  • Sensor (Headline) Pitch & Roll Angle
  • Sensor (Headline) Depth
  • (Rig) Water Temperature
  • Sensor Battery Status

Specs

  • Max depth 1,700m
  • Battery life: up to 100 hours
  • Charge time: < 8 hours
  • Weight: 13.48 Kg (5 Kg in water)
  • Dimensions: ~442 x 322 x 170mm (LxWxH)

Update Rates

Down only:

  • Ranges from 20 to 160 m: Echogram, temperature, depth, pitch, roll, battery level @2 s
  • Automatic range (20 m): Echograms @1.1s - Temperature, depth, pitch, roll, battery level @2.2 s.
  • Automatic range (10 m): Echograms @0.65 s - Depth, pitch, roll @2.6 s - Temp, battery level @5.2 s.

Down + Up:

  • Ranges from 20 to 160 m: Echogram, temperature, depth, pitch, roll, battery level @2.4 s.

Up only:

  • Ranges from 20 to 160 m: Echogram, temperature, depth, pitch, roll, battery level @2 s

Down + Up: 

  • Ranges from 20 to 160 m: Echogram, temperature, depth, pitch, roll, battery level @2.4 s

Physical

  • No moving parts
  • Ergonomic housing
  • Good protection
  • Easy access
  • Compact

System Compatibility

Trident is compatible with the following versions of receiver firmware, Scala2 and Mosa2:

  • Mosa2: 02.09.x or later
  • Scala2: 02.08.x or later
  • Receiver firmware: 08.02.11 or later
  • Dock: 1.0.7 or later

Contact Dave James for further information: davej@enl.co.nz