Sonardyne UK (Head Office)
T. +44 (0) 1252 872288
F. +44 (0) 1252 876100
E. sales@sonardyne.com
www.sonardyne.com
Datasheet
Super Sub-Mini Transponder/Responder (SSM)
Description
Sonardyne’s range of Super Sub-
Mini Transponder/Responders
(SSMs) represent the latest design
developments in the acoustic
positioning of ROVs, towfish and
other subsea targets.
The Type 7970 Super Sub-Mini is
designed for deepwater applications
up to 4,000 metres and has a high-
power directional transducer with an
acoustic output comparable to
Sonardyne's most powerful Compatt
transponders.
For improved positioning accuracy, a
built-in pressure transducer provides
depth; this can be telemetered to
Sonardyne's USBL systems as part of
the positioning cycle. A dual
external channel selection control, or
serial data link, allows the SSM to be
used with all of the popular acoustic
navigation systems. The unit's
'bilingual personality' mode
automatically senses the type of
positioning system interrogating it
and switches mode accordingly.
Key features
•
Depth telemetry capability with
choice of 2,000 or 4,000 Metre
rated sensors
•
1,000 Metre rated SSM also
available
•
Directional transducer with class
leading acoustic power output
•
Channel selection via dual external
controls or serial data port by PC
•
Long-life, fast charging NiMH
battery
•
Compact and rugged design
•
Windows based software for test
and setup
In addition, Super Sub-Minis now
support more Sonardyne frequencies
and all HPR 300 and HiPAP®
channels.
The Type 7970 is available with
either 2,000 metre or 4,000 metre
rated depth sensors.
Sonardyne UK (Head Office)
T. +44 (0) 1252 872288
F. +44 (0) 1252 876100
E. sales@sonardyne.com
www.sonardyne.com
Specifications
Super Sub Mini Transponder/Responder (SSM)
Feature
Depth Rating
Operating Frequency
Transducer Beamshape
Transmit Source Level (dB re 1µPa @1m)
Receive Sensitivity (dB re 1µPa)
Quiescent Life
Maximum Update Period
Number of Replies
Responder
Transponder
Depth Telemetry
Power Supply
Mechanical Construction
Dimensions (LxDia)
Weight in Air
Weight in Water
Ordering Information
Type
Type
Type
Type
7970-000-01
7970-000-02
7970-054
7972 SSM
Type 7970 (2,000 Metre Version)
2,000 Metres
MF (19-36kHZ)
+/-45º (-10dB), +/-30º (-6dB), +/-20º
202dB
<95dB
42 Days
750ms
Unlimited
45,000
Yes
Long life NiMH battery or External
24v via ROV’s umbilical
Aluminium Alloy, Hard Anodised
400.1mm (15.7”) x 86.1mm (3.3”)
4.5kg
2.4kg
Type 7970 (4,000 Metre Version)
4,000 Metres
MF (19-36kHZ)
(-3dB)
202dB
<95dB
42 Days
750ms
Unlimited
45,000
Yes
Long life NiMH battery or External
24v via ROV’s umbilical
Aluminium Alloy, Hard Anodised
400.1mm (15.7”) x 86.1mm (3.3”)
4.5kg
2.4kg
2,000m Super Sub-Mini
4,000m Super Sub-Mini
Responder Lead (5 meters)
Charger/Interface Kit
Specifications subject to change without notice - 10/2006
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