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Trawl System: Simrad FS20/25
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Vertical and horizontal scanning.
The vertical trawl sonar FS 20 and FS 25 allows to control trawl opening, individual targets, trawl location ref. the bottom, net geometry.
Horizontal trawl sonar FS 25 allows to control fish behavior ahead of the trawl, catch of trawl, distance between trawl doors.
The system can be spread thank to installation of depth sensor, water temperature sensor and catch sensor.
The system is modular, is managed by a computer mouse or keyboard via screen menu system.
Cable system of connection, benefits: contact with a trawl is not lost when vessel course changes.
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Technical specifications:
| Parameters, function | FS 20 | FS 25
| | Depth of underwater units immersion | 1800 m | 1800 m
| | Range of bottom registration | from 200 to 400 m | from 200 to 500 m
| | Working frequency | 120, 330, 675 kHz | 90, 120, 330, 675 kHz
| | Range of trawl depth move | 5 - 1800 m, ± 1% | 5 - 1800 m, ± 1%
| | Water temperature control | îò -5 äî +30° Ñ, ± 0,5° Ñ | îò -5 äî +30° Ñ, ± 0,5° Ñ
| | Resolving capacity of reflection: | |
| | Depth | 0,1 m | 0,1 m
| | Temperature | 0,05° Ñ | 0,05° Ñ
| | Catch control | 4 steps | 4 steps
| | Connection cable: | |
| | Tensile strength (Simrad) | îò 1500 äî 6000 kg | îò 1500 äî 6000 kg
| | Tensile strength (Simbia) | îò 2400 äî 5500 kg | îò 2400 äî 5500 kg
| | Maximum length (Simrad) | îò 3000 äî 5000 m | îò 3000 äî 5000 m
| | Maximum length (Simbia) | îò 2500 äî 4000 m | îò 2500 äî 4000 m
| | Power supply: | |
| | Board units | 110/220 V ÀÑ, 50/60 Hz, 700 W | 110/220 V ÀÑ, 50/60 Hz, 800 W
| | Trawl unit | 120 V DC,400 mA | 200 V DC, 500 mA
| | Catch sensors | accumulators | accumulators
| | Dimensions: | |
| | Trawl unit | 517 õ 394 õ 200 mm | 1143 õ 482 õ 375 mm
| | Power supply unit / PWR/ÒÒÌ interface | 420 õ 310 õ 80 mm | 420 õ 310 õ 80 mm
| | Ìàññà: | |
| | Trawl unit | 24 kg | 48 kg
| | Power supply unit / PWR/ÒÒÌ interface | 5,6 kg | 5,6 kg
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A scope of delivery:
- LCD monitor of wide application.
- Processor on a base of ÐÑ of wide application with software "Simrad".
- FS 20 trawl unit.
- FS 25 trawl unit.
- Power supply / PWR/ÒÒÌ interface
Options:
- Catch sensors
- Color printer
- Remotely-operated unit
- Videotape recorder
- Charger etc
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