ZORA CO., LTD : MARINE RADIO & NAVIGATION SYSTEMS

Trawl Instrumentation

NETMIND Wireless net monitoring system

Wireless net monitoring system that enables a Skipper of a fishing vessel to monitor and manage the performance of the trawl. Thus ensuring the trawl is fishing at its best. The final results are shorter fishing trips, bigger catches and more profit.

Equipment Included:

Deck Unit IDU-1 (requires PC computer):

Real-time net monitoring

Menu driven display

Graphic or numeric display

Inputs:	Hydrophone, power cord, monitor and keypad
Power supply:	110/220 В AC
Dimensions:	14” x 10” x 5.5”
Weight:	5.9 kg

Sensors:

Maximum of nine sensors in one system, battery life 150-200 hours between charging cycles, rugged polyurethane construction with fully serviceable stainless steel battery/electronics chamber and stainless steel end caps.

Specification:

Catch sensor:
Measurement: net expansion indicates when a net is full.
Acoustics: 1 telemetry transducer, up to 3 on one net

Depth sensor

Measurement: up to 750 fathoms +/- 0.5%
FS Acoustics: 1 telemetry transducer, 1 transponder
Slave Acoustics: 1 transponder 90kHz

Door Spread Sensors:
Measurement: 1-150 m +/-0.5% FS
Slave Acoustics: 1 transponder 90 kHz

Wing Spread Sensors

Measurement: 1-70m +/- 0.5% FS
Acoustics: 1 telemetry transducer, 1 transponder
Slave Acoustics: 1 transponder 130kHz

Grid Sensor:

Measurement: from 3 - 93 degrees
Accuracy: +/- 1 degree

Headline Height Sensor:
Measurement: 1-60m +/- 0.5% FS
Acoustics: 1 telemetry transducer, 1 sonar transducer

Temperature Sensor:

Measurements: -2 to +30 +/- 0.1 C
Acoustics: 1 telemetry transducer

Battery Charger:
Charging time: 4.5 hours (trickle),
45 minutes (rapid)

Towed Hydrophone & Paravane:

Stainless steel
150 feet of shielded kevlar submarine tow cable
Two kevlar yale grips
Conical beam pattern 50’

Hull Mounted Hydrophone:

Molded polyurethane and stainless steel

50’ of shielded cable

Single transducer, beam width 50’ H x 50’ V

Trawl sounder Simbia SI-6110

Using all advantages of echo sounder software Simrad ES60

Color 15", 17" or 19" LCD display, 1024 Ч 768 pixels

Wide dynamic range of target detection, from plankton to rock bottom

Optional usage of 200 or 38 kHz channel as echo sounder

Separate and combined presentation of echo sounder and trawl souner data in one display

Linear record and accelerated playback of up to 300 hrs of recorded data

Grafic and numeric of trawl movements and trawl water temperature

Trackball operation and multi-language menu, similar to ES60

Shockproof compact trawl unit

Cable connection between trawl unit and onboard equipment, using cable winch

Cable and trawl unit status control

Depth and fish alarms

Scope of delivery:

SI-110 (SI-110M) trawl units
Processor unit
GPT 50kHz transceiver (Simrad)
SI-53 interface
Trackball
CD with software
Installation kit and spare parts

Options:

SI-110-2 (SI-110-2M) trawl units
LCD display (15 to 20")
GPT 50/38 kHz & 50/200 kHz transceiver (Simrad)
38 kHz & 200kHz transducer (Simrad)
Color printer
Mouse & keyboard
Catch sensor

Specification:

General:
Operating frequency: 50 kHz
Detection:
Bottom (sand)
Single fish

1000 m
300m
Main range: from 0-5 till 0-5000 m
Range of extension: from 5 till 5000 m
Phasing range: manual or automatic
Max. cable length: 4000 m (option 5500 m)
Trawling range: 3-1000 m (option 5-2500 m)
Accuracy: ±1.5% (or ±3m on depth up to 200 m)
Resolution: 0.1 m
Temperature sensor
Range:
Accuracy:
Resolution:

from -5°C to +30°C
±0.3°C
0.1°C
Trawl units Si-110 (SI-110-M) & SI-110-2 (SI-110-2M):
Max. operating depth: 1500 m (option 2500 m)
TVG: 20 lg R
Transducer beamwidth:
Si-110 (SI-110-2)
SI-110M (SI-110-2M)

25 Ч 25°
30 Ч 30°
Weight:
SI-110 (SI-110M)
SI-110-2 (SI-110-2M)

9.0 kg
11.0 kg
Dimensions:
SI-110 (SI-110M)
SI-110-2 (SI-110-2M)

400 Ч 320 Ч 90 mm
540 Ч 300 Ч 100 mm
SI-110 (SI-110M) trawl units are equipped with one downward transducer
SI-110-2 (SI-110-2M) trawl units are equipped with two, downward and upward transducers.
Simrad display (optional, any other conventional PC display can be used):
LCD display: 17"
Resolution: 1024 Ч 768 pixels
Power supply: 220V 50Hz
Processor unit (min. configuration):
OS: Windows NT4
Processor: 1 GHz
ROM: 256 Mb
HDD: 40 Gb
Video: 64 Mb
CD-ROM drive
GPT transceiver Simrad ES-201384:
Single channel: 50 kHz
Output power: 1 kW
Dimensions: 284 Ч 112 Ч 246 mm
Weight: 7.5 kg
Si-53 interface (transceiver-to-processor connection):
Depth and temperature output: NMEA 0183
Digital depth and temperature indication: 2 lines of 4 symbols
Deviation indication: acc. to depth and temperature
Output power to trawl unit: +37V 100mA
Power supply: 220V 50Hz 6VA
Weight: 1.2 kg
Dimensions: 284 Ч 112 Ч 246 mm

Trawl sounder Simbia SI-6812

Autonomous unit, requiring no echo sounder

6.5-inch color display JMC (Japan)

Wide range of trawl sounder units

"Dead zone" less than 3.5 m

"A-Scope" and "White Line" modes

Surface wate temperature readout (option)

Cable and trawl unit status monitoring

Shockproof compact trawl unit

Basic, phased, expansion ranges

Fish and depth alarms

Main set of equipment:

V-6802§І Display
Trawl unit SI-12
SI-50 Interface unit
Mounting Kit and Spare parts

Options:

SI-V-180 Power Supply
T-300 Water temperature sensor
Echosiunder Transducer RS201
Trawl unit SI-12M

Specification:
>Trawl sounder SI-6812

Transducer frequency: 50 kHz
Detection ranges:
bottom (sand)
single fish
footrope

200 m
30 m
50 m
Max. depth: 400 m

Trawl units SI-12, SI-12M

Max. depth: 400 m
Beamwidth:
SI-12
SI-12M

30 ЎБ 30Ўг
40 ЎБ 40Ўг
Weight:
SI-12
SI-12M

ЎЬ4.0 kg
ЎЬ3,0 §Ь§Ф
Cable length:
SI-12
SI-12M

ЎЬ800 m
ЎЬ400 §Юm
Power Supply: not required
Dimensions: 350 ЎБ 300 ЎБ 90 mm

Display V-6802§І with transceiver

Echosounder mode:
Low frequency: 50 kHz
High frequency: 200 kHz
Output power: 450W RMS max
Main ranges: 0-2.5 m
0-1000 m
Picture feed rates: 1/1 to 1/16
Plotter mode:
Chart scales: 1/2250 to 1/25000000
Position accuracy: 15 to 100 m
Weight: 2.5 kg
Dimensions: 250 ЎБ 280 ЎБ 120 mm
QVGA TFT-LCD display: 6.5 "
Power supply: 24 VDC, 22 W
Output: NMEA-0183, RTCM104

SI-50 Interface

Power supply: not required
Weight: 0.4 kg
Dimensions: 120 ЎБ 80 ЎБ 40 mm

Trawl sounders Simbia SI-3010 & SI-3110

Autonomous unit, requiring no echo sounder
10-inch color display JMC (Japan)
Wide range of trawl sounder units
"Dead zone" less than 2.5 m
"A-Scope" and "White Line" modes
Graphical and numeric representation of trawlk shape line and trawl water temperature (SI-3110 only)
Surface wate temperature readout (option)
Cable and trawl unit status monitoring
Shockproof trawl unit
Basic, phased, expansion ranges
Fish and depth alarms

Specification:

SI-3010:

V-3002 Display
SI-10 Trawl units
Mounting Kit and Spare parts

SI-3110:

V-3002 Display with NET CPU module
SI-110 Trawl units
Mounting Kit and Spare parts

Options:

SI-10-2 Trawl units
SI-110-2 Trawl units
Power supply 220/24 V
Water temperature sensor T-200
Catch sensor

Trawl sounder SI-3010 and SI-3110

Transducer frequency: 50 kHz
Detection ranges: bottom - 1000 m
single fish - 300 m
footrope - 200 m
Max. lenght of communication cable (KG1-30): 4000 m

Trawl sounder SI-3100 (additionally)

Trawl water temperature:
range
accuracy
from –5° to +30°С
±0,3°С
Trawl depth:
range
option
accuracy
from 3 to 2000 m
from 3 to 2500 m
±0,3% (±3 m at a depth less 200 m)

Trawl units SI-10, SI-110, SI-10-2, SI-110-2

Maximum immersion depth: 1500 m (option 2500 m)
TVG: 20 lg R
Beamwidth: 25 × 25°
Weight: 11.0 kg

Trawl units SI-10 and SI-110 equipped with single downward channel
Trawl units SI-10-2 and SI-110-2 equipped with two channels, downward and upward

V-3002 Display

VGA TFT LCD screen: 10.4 inch
Resolution: 640 × 480
Basic ranges: from 0-2.5 to 0-1000 m
Manual range phasing: 0-1000 m
Discrimination of trawl depth indication: 0.2 m
Discrimination of trawl water temperature: 0,1°C
Expansion ranges: 1.5-200 m
Picture feed rates: from 1 to 1/16 and "Stop"
Power supply: 11-40 VDC, 30 W
Weight: 5.9 kg
Dimensions: 366 × 275 × 110 mm

Power supply SI-V-180

Input: 220 V AC, 50 Hz, 0.5 A
Output:
SI-3010 and SI-3110 consumption
permissible load
24 VDC, 2 A
24 VDC, 5 A
Weight: less than 5 kg