Sonardyne UK (Head Office)
T. +44 (0) 1252 872288
F. +44 (0) 1252 876100
E. sales@sonardyne.com
www.sonardyne.com
Datasheet
Wideband Mini Transponder (Remote Transducer Version)
Description
Sonardyne’s existing Wideband Sub-
Mini transponder (WSM) is typically
interrogated by a responder trigger
down the ROVs’ umbilical or a
narrow band tone signal. In some
situations, reverberation or multipath
of the tone interrogation can cause
interference problems. The new
WMT is Sonardyne’s first mini-sized
transponder, slightly larger than the
WSM and providing full two-way
Wideband interrogation and reply
which completely mitigates
interference from other users and to
other users.
For use on ROVs, the WMT includes
responder trigger, an integrated
Li-Ion battery pack that is charged
from the ROV’s power supply and
full RS232communications enabling
channel set up, power, gain etc. to
be changed from the surface.
An On/Off switch helps ensure the
battery pack is not discharged when
not in use. When an umbilical trigger
is not available, then full Wideband
mode provides excellent USBL
performance in a small, lightweight
form.
New remote transducers, either omni
or directional are available for both
the WMT and existing WSM range.
These make installation on an ROV
easier as the transducer can be
installed where there is good line-of-
sight.
The main body of the transponder,
the more expensive part, can then be
installed within the ROV frame where
it is well protected. Transducers can
then be easily replaced if damaged.
Key Features
•
Full two-way Sonardyne
Wideband
®
interrogation and
reply – mitigates any interference
and multi-path issues
•
Mini size – lightweight and small
•
Responder mode
•
Li-Ion battery pack
•
Pressure sensor option
•
Full RS232 control from the surface
•
External On/Off switch
•
Choice of standard cable lengths:
0.6m or 3.0m, custom lengths
available on request
•
Choice of right angle or straight
connector style
•
New, versatile and future-proof
design
Sonardyne UK (Head Office)
T. +44 (0) 1252 872288
F. +44 (0) 1252 876100
E. sales@sonardyne.com
www.sonardyne.com
Specifications
Wideband Mini Transponder (WMT)
190 mm [7.48 in]
90 mm [3.56 in]
535 mm [21.08 in]
Ø69 mm [2.73 in]
4 Holes M4-0.7
Equi-spaced on
a 58.00 PCD.
(Stainless Steel inserts)
180 mm [7.11 in]
98 mm [3.86 in]
557 mm [21.93 in]
130 mm [5.11 in]
System Features
Depth Rating
Frequency Band
Transducer beam shape
Source Level (re 1 µPa @ 1m)
Depth Sensor
Communications Interface
External Supply Voltage
External Power
High Power
Low Power
Battery Life
(Lithium Ion 15V)
Mechanical Construction
Dimensions
Weights (Air / Water)
Options
Remote Transducer
Sleep
Wideband Listening
Battery Charging
Peak (during transmission)
Listening
Continuous 5 sec interrogation
Type 8190-3161
Type 8192-3162
3,000 Metres
3,000 Metres
MF (19-36kHz)
MF (19-36kHz)
Omni-Directional ± 130º
Directional ± 40º
187 dB
193 dB
181 dB
187 dB
± 0.5% full scale
± 0.5% full scale
RS232 (9,600 – 115,200 baud)
18-50 Volts DC
18-50 Volts DC
<300mW
<300mW
<500mW
<500mW
6W
6W
<50W
<50W
30 days
30 days
Approx 6 days at low power Approx 6 days at low power
Anodised Aluminium alloy
Anodised Aluminium alloy
and Plastics
and Plastics
499mm x 93mm
510mm x 98mm
5.1 / 2.2Kg
7.0 / 3.5Kg
Remote cable lengths 0.6 Metres or 3.0 Metres
8065-121 Right Angled
8140-008 Right Angled
8065-120 Straight
Specifications subject to change without notice – 03/2009
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