SENSOR SOLUTIONS - Furuno Frequency Altimeter Range 33 - 60 kHz 70 (-3dB) 2500m 1200m 2 - 5 s 160m programmable 86 kHz to 210 kHz factory default set at 165 kHz 40 or 16 86 kHz or

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  • TrueTrawl Geometry

    Trawl Explorer

    Compact Trawl Explorer

    MFX Door (Spread) Sensor

    MFX Twin Rig Door (Spread) Sensor

    S E N S O R S O L U T I O N S

    Catch Sensor

    Rip Sensor

    Temp/Depth Sensors

    Tunnel Sounder

    SeineFish Sounder

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    m T

    raw

    ling

    Dani

    sh S

    eini

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    Pela

    gic

    Traw

    ling

    Purs

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    g

    Twin

    Rig

    N/A

    N/A

    N/A

    N/A

    N/A

    N/A

    N/AN/A N/A

    N/A

    N/A

    N/AN/AN/A N/A

  • C AT C H S E N S O R SMarport Catch Sensors may be positioned at different points along cod-end. Information received via the pull-cords on the individual sensors may be used to provide information about the filling rate of the trawl and indicate when cod-end is full. Pull-cords are easily configured for side-pull or end-pull trigger configuration. Optional features, such as pitch and roll, can also monitor net dynamics and indicate if the cod-end has collapsed or become twisted.

    Marports Catch Sensors can operate on a single frequency of 40 kHz or 70 kHz, or on a unique dual frequency (40 kHz/70 kHz). This hybrid configuration greatly increases signal detection and enables a continuous information link to the trawl. The Hybrid Catch Sensor configuration can provide 3rd wire vessels with a wireless uplink directly to the vessel on 40 kHz and a direct wireless link to the 3rd wire deployment package sonar on 70 kHz. Having a 40 kHz back-up increases the probability of signal detection, especially on larger pelagic trawls that may have limited transmission range on 70 kHz.

    Technical Specifications

    Uplink FrequencyBeamwidthRange to VesselMaximum Working DepthOptional Pitch ResolutionOptional Roll ResolutionUpdate RateBattery TypeTypical Battery Life RangeCharging TimeWeight in AirWeight In Water

    40.8 - 43.4 kHz or 69 - 78 kHz40 kHz: 70 (@ -3dB) 70kHz: 60 (@ -3dB)

    40 kHz: 2500m 70kHz: 1000m40 kHz: 1200m 70kHz: 1500m

    0.10.1

    40 kHz: 20-30 s 70kHz: 50-90 s Lithium-Ion

    380-540 hours* 8-12 hours**

    5.0 kg0.9 kg

    * Reference Only. Depends on Catch sensor functions enabled. Battery life may be extended using low power settings.** Based on average charging time. Refer to the Battery Chargers Quick Reference Guide for further information.

    240 mm

    Indicates when the trawl should be hauled, ensuring a better quality catch.

    Prevents towing a twisted, tangled or full trawl, thus increasing efficiency.

    Fully programmable and compatible with all industry standards.

    Updates as often as every 20 seconds.

    Typical battery life of 380 to 540 hours* based on standard charging time of 8 to 12 hours**.

    240 mm

    240 mm

  • T E M P/ D E P T H S E N S O R SMarports Depth Sensor monitors trawl depth, descent/ascent rate of the net, and the rate of depth changes. All indications of depth are relative to the surface. The Temperature Sensor measures the temperature of the water surrounding the trawl to determine if conditions are favourable for targeted fish species. Marports Depth/Temperature Sensor combines the individual features of the Depth and Temperature Sensors. Using this data, the operator can quickly determine a location of preferred temperature and depth for a particular fishing operation.

    Technical Specifications

    Uplink FrequencyBeamwidthRange to VesselMaximum Working DepthOptional Pitch and Roll ResolutionDepth ResolutionUpdate RateTemp Measurement RangeTemp AccuracyBattery TypeTypical Battery Life RangeCharging TimeWeight in AirWeight In Water

    40.8 - 43.4 kHz70 (@ -3dB)

    2500m1200m 0.1

    0.1m with 0.1% accuracy (0.01% optional)DEPTH: 3 - 8s TEMP: 3 - 16s

    -5 C to +40 C0.1 C

    Lithium-Ion450-540 hours*

    8-12 hours**5.0 kg0.9 kg

    * Reference Only. Depends on Catch sensor functions enabled. Battery life may be extended using low power settings.** Based on average charging time. Refer to the Battery Chargers Quick Reference Guide for further information.

    240 mm

    The Temperature Sensor helps eliminate wasted time and fuel spent towing in water that is not suited to the target species.

    The Depth Sensor increases efficiency by placing the trawl at the specific desired depth.

    Typical battery life of 450 to 540 hours* based on standard charging time of 8 to 12 hours**.

    200 mm

    110 mm

  • R I P S E N S O RMarports Rip Sensor is mounted on the belly of the trawl and will detect any rips or tears in the net, thus eliminating the problem of fish escaping by notifying the operator of potentially costly damage. Operating at a frequency of 40kHz, Marports Rip Sensor has optional features such as pitch and roll, and depth and temp.

    Technical Specifications

    Uplink FrequencyBeamwidthRange to VesselMaximum Working DepthUpdate RateOptional Pitch ResolutionOptional Roll ResolutionBattery TypeTypical Battery Life RangeCharging TimeWeight in Air

    Weight In Water

    40.8 - 43.4 kHz60 (@ -3dB)

    2500m1200m

    20-30 s 0.10.1

    Lithium-Ion380-540 hours*

    8-12 hours**5.0 kg0.9 kg

    * Reference Only. Depends on Catch sensor functions enabled. Battery life may be extended using low power settings.** Based on average charging time. Refer to the Battery Chargers Quick Reference Guide for further information.

    240 mm

    Immediately informs the operator of potential rips in the net, therefore minimizing the risk of damage to the trawl.

    Under normal operation, this sensor provides updates every 20 to 30 seconds.

    Can operate in depths up to 1200 metres.

    Typical battery life of 380 to 540 hours* based on standard charging time of 8 to 12 hours**.

    200 mm

    110 mm

  • S E I N E F I S H S O U N D E RMarports SeineFish Sounder provides information about water depth from the surface, distance from the footrope to the seabed, water temperature, and a true echogram of fish swimming into the seine.

    Technical Specifications

    Dual sounding frequencies for fish detection (seine) and bottom detection (distance). Overall cost savings due to less sensors being required to carry out other functions. Update rates as often as every 2 to 5 seconds. Battery life of up to 80 hours*, on a single 8 to 12 hour** charge.

    158 mm

    241 mm

    328 mm

    * Reference Only. Depends on NetSounder functions enabled. Battery life may be extended using low power settings.** Based on average charging time. Refer to the Battery Chargers Quick Reference Guide for further information.

    Uplink FrequencyUplink BeamwidthRange to VesselMaximum Working DepthUpdate RateSounder RangeSounder Frequency

    Sounder BeamwidthAltimeter FrequencyAltimeter Range

    33 - 60 kHz70 (-3dB)

    2500m1200m2 - 5 s160m

    programmable 86 kHz to 210 kHzfactory default set at 165 kHz

    40 or 16 86 kHz or 210 kHz

    70 cm to 100 m

    Altimeter BeamwidthTemp Measurement RangeTemp AccuracyDepth Resolution and AccuracyOptional Pitch & Roll ResolutionBattery TypeTypical Battery Life RangeCharging TimeWeight in AirWeight In Water

    40 or 16-5 C to +40 C

    0.1 C0.1m with 0.1% accuracy (0.01% optional)

    0.1Lithium-Ion

    Up to 80 hours* 8-12 hours**

    8.9 kg1.3 kg

  • C O M PA C T T R AW L E X P LO R E RMarports Compact Trawl Explorer presents an accurate echogram of the net opening and fish targets, along with providing information about depth, temperature, distance to the bottom and clearance to the seabed. This sounder confirms the fish are swimming into the cod-end, and helps estimate the fish volume.

    The Compact Trawl Explorer is a multifunctional, single-frequency downsounder installed either on top of the net (head rope) or in the belly of the trawl. Digital depth, temperature and height indication are standard options included.

    Technical Specifications

    New heavy duty design ensures sustainable fishing in severe trawl conditions. New board design carries the unit smoothly through the water, ensuring optimum,

    consistent sounder angles.

    Offered in Standard echo sounder configuration or a Narrow Band, high resolution fast update option.

    Update rates as often as every 3 to 8 seconds. Typical battery life of 30 to 60 hours* based on standard charging time of 8 to 12

    hours**.

    146 mm

    300 mm

    405 mm

    Uplink FrequencyUplink BeamwidthRange to VesselMaximum Working DepthSounder RangeSounder Broadband Frequency

    Update RateOptional Pitch & Roll ResolutionBattery TypeTypical Battery Life RangeCharging TimeWeight in AirWeight In Water

    40.8 to 43.4 KHz 70 (-3dB)

    2500m1200m160m

    Broadband, 120 to 210 KHzStandard Configuration 165 KHz

    3 to 8 s0.1

    Lithium-Ion 30-60 hours*

    8-12 hours**8.9 kg1.3 kg

    * Reference Only. Depends on Compact Trawl Explorer functions enabled. Battery life may be extended using low power settings.** Based on average charging time. Refer to the Battery Chargers Quick Reference Guide for further information.

  • T R AW L E X P LO R E RMarports Trawl Explorer is a heavy duty head rope net sounder designed to present an accurate echogram of the trawl opening and fish targets, along with information of depth, temperature, distance from head rope to bottom and trawl height and visually presentation of clearance between footrope to seabed. The Trawl Explorer is programmable for dual frequency, configured for several sounding modes and beamwidth selectable from wide to narrow depending on water/fishing conditions. Pitch and roll angle presentation is also available for an accurate indication of the trawl behaviour during fishing.