User’s Manual INNOMAR Parametric Sub-Bottom Profilers / SESWIN 203
Innomar Technologie GmbH (2023-01) 203
A.14 Sidescan Extension for Innomar compact SBP
Overview
The INNOMAR sidescan extension can be operated ship based
(over the side installation) in shallow water (up to 30m water depth).
It consists of a sidescan transducer and a SESWIN software
update. There is also a software tool included to generate mosaic
pictures from the collected sidescan data. For the sound ping
generation and reception as well as data collection the INNOMAR
“compact” hardware is used. Therefore, it is not possible to run
both, sidescan and sub-bottom profiler, at the same time.
Technical Specification
Frequency 100 kHz
Transmit pulse power >2 kW / >220 dB//µPa re 1 m
Pulse type CW / 100 – 250 µs (adjustable)
Pulse rate up to 25 s
-1
Beam width 1.8° / 55° (along / across track)
Depression angle 40° or 60° (depending on housing)
Swath
65° or 85° (depending on housing)
Range 20 – 100 m (adjustable)
Dimensions (WHD) ca. 60 cm × 10 cm × 15 cm
Weight in air ca. 20 kg (incl. 20 m cable)
There is no active beam stabilisation (roll/pitch/yaw correction)
Technical specs are subject to change without prior notice, see www.innomar.com/products for latest infos.
Sidescan Transducer
The sidescan transducer has the same mounting flange
using six M8 bolts as the “compact” SBP transducer. Older
INNOMAR sidescan transducers have the flange rotated by
30 degrees and for using the same pole for both, SBP and
sidescan, the pole’s flange needs 12 holes as shown at the
right.
It is not possible to tow the transducer; it has to be fixed
firmly at the boat/ship. The cable length is fixed to 20 m.
To change the transmission angle, there are two different
housings available.
!
This sidescan option is available for the INNOMAR “compact” model only!
Ø 11mm.
Ø 90mm.
Ø 130mm.
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