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Simrad SX90
Long range high definition sonar system
T E C H N O L O G Y
F O R
S U S T A I N A B L E
360° omnidirectional sonar
90° vertical tip mode
20 to 30 KHz operational frequency
Selectable beam width
Large dynamic range
Dual beam operation
Store and recall sonar data
Define your own user settings
www.simrad.com
F I S H E R I E S
Narrow beams
Hyperbolic FM
High definition
Stabilized beams
Easy operation
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Related Manuals for Simrad SX90 - DATASHEET REV B
Summary of Contents for Simrad SX90 - DATASHEET REV B
- Page 1 Simrad SX90 Long range high definition sonar system 360° omnidirectional sonar 90° vertical tip mode 20 to 30 KHz operational frequency Narrow beams Selectable beam width Hyperbolic FM Large dynamic range High definition Stabilized beams Dual beam operation Easy operation...
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Page 2: Bow Up/180° Vertical
SIMRAD SX90 Longer range with better resolution - same high resolution on all operative ranges The Simrad SX90 is a low frequency, high-definition; long range sonar, designed for vessels where long detection range is important. • Eleven user selectable frequencies different densities. It from 20 to 30 kHz prevents also separates hard interference from other vessels. from soft bottom. • Fast moving objects like mackerel • Selectable Narrow, and tuna are detected further away Medium and Wide than with CW (continues wave) beamwidths tied in using the Hyperbolic FM mode. with long, medium • In areas with hard bottom, longer and short range settings detection range is accomplished improve close range detection. by combining a narrow transmitter • At 30 kHz operating frequency, the beam with a special designed beam width is only 6.7°. narrow receiver beam. This • A new 180° vertical view tiltable removes most of the disturbing down to 90° is specially designed bottom echoes from the side lobes, for pelagic trawlers. - Page 3 SIMRAD SX90 Off center presentation Offset the vessel to any screen position and enlarge the echoes for more detailed information. vertical and horizontal sonar Operating panel A dedicated operating panel presentation. provides fast and easy access to the E Range: Separate range control most frequently used functions. for vertical and horizontal sonar presentation. A Main switch: Power the sonar on F Cursor: Menu and cursor control. (and off), lower the transducer G Tilt: Easy control of the sonar’s B Symbol: Control the target tilt angle, or start automatic markers providing exact latitude search program. and longitude positioning. H Various: Store interesting screen C Mode: Select your favourite captures, and zoom in on details. display mode or user setting with I Train: Manual control of beam the push on a button.
- Page 4 SIMRAD SX90 The Simrad SX90 sonar uses the ultimate of modern tilt and other parameters in order to achieve better performance. If you technology to detect targets under difficult conditions. find better setting, you save the new one settings as a new personal setting. Store and Recall The SX90 sonar can store display presentations manually or 360° Omnidirectional sonar Hyperbolic FM The SX90 transmits a narrow This is another unique Simrad automatically, and you can recall vertical beam 360° around the vessel. feature. The SX90 sonar transmits these later for further studies. All the The horizontal resolution is as narrow a long pulse with a continuously pictures in this document are screen as 8.5° making sharp edges around the variable frequency. The receiver captures from actual situations on the school during evaluation of different listens for an echo with the same fishing grounds from vessels already targets. frequency variations. Echoes with using the SX90 sonar. different frequency signatures are vastly reduced. The actual fish echoes 90° Vertical Tip User settings This a new feature on our sonars.
- Page 5 SIMRAD SX90 Mackerel detection The school of mackerel is dead ahead of the vessel. It can not bee seen in the horizontal view, only in the vertical view. The tilt indicator shown in the vertical picture tells you that you need more tilt in order to see the school in the horizontal view. The school is clearly shown in the vertical view at about 200 meter away from the vessel. The vertical view is primary used to measure the depth of the school. This view is provided so you do not need to sail directly over the school. This would scatter the fish, and break up the school in several smaller parts. The vertical view thus makes it easier to catch the fish. Operational frequency is 30 kHz using Hyperbolic FM transmission. Looking into the seine “Off centre” mode is selected to obtain better resolution in the direction of the school in horizontal and vertical views. The SX90 has a superb short range detection. In this screen capture the sonar is operated with a 300 meters range setting, and the fish is no more than 50 meters from the vessel, as clearly seen in both the horizontal and the vertical presentation. In the top right hand corner all PI depth sensors are fully marked down to 80 fathoms.
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Page 6: Blue Whiting
SIMRAD SX90 Scattered mackerel detection The SX90 sonar is operated at 30 kHz. This upper frequency is selected because it will provide the narrowest beam. At 30 kHz, no other sonars can interfer with the performance of this sonar, even with mulitple similar sonars were operating in the area. The mackerel can be seen as a long “stripe of fish” ahead of the vessel in both horizontal and vertical views. The water depth is 100 meter, and the echo from a pipe line can be seen in the vertical presentation behind the vessel. Blue Whiting This screen captures shows how the SX90 has detected a school of Blue Whiting. The range is set 4500 meters, and the sonar detects the Blue Whiting all the way out to the end of the range. - Page 7 SIMRAD SX90 Tuna This sonar presentation shows a school of tuna. It has been detected all the way out to 2500 meters. In the vertical view you can also see a plankton layer at about 150 meters depth. Such layers can in some cases disturb the range detection capabilities, and create unwanted echoes as the horisontal beam hits the layer at one point in range. The SX90 overcomes this problem by means of its efficient filtering capabilities, and masks out the plankton layer in the same manner as unwanted surface echoes. Wreck detection This screen capture shows a long range detection of a sunken 35.000 ton cargo vessel. You can see it at 10° port side, it is marked with target tracking triangle. The wreck lays at about 100 meters depth. The other echoes are shallow banks in the area. The sonar is operated at 23 kHz using “FM Auto” and “Narrow Beam”. The position of the vessel, as well as time and date, is indicated in the dialog in the lower right hand corner of the presentation.
- Page 8 SIMRAD SX90 Technical specifications For additional and more detailed • Frequency: 20 to 30 kHz specifications, see the Simrad SX90 Product • Range scale: 50 - 4500 m description (337432). The document can be downloaded from www.simrad.com. • Tilt: +10° to -60° in 1° steps • Pulse modes: CW and FM • Transmission modes: Processor/Beamformer Units Operating Panel - 360° omnidirectional - 180° vertical • Maximum speed: 12/20/24 knots with transducer deployed, depending on hull unit Width: 440 mm Width: 385 mm Height (with shock absorbers): 269 mm Height: 165 mm Depth: 405 mm Depth: 51 mm System diagram Transceiver Unit...