Sonardyne UK (Head Office)
T. +44 (0) 1252 872288
F. +44 (0) 1252 876100
E. sales@sonardyne.com
www.sonardyne.com
Datasheet
AODC Emergency Transponders
Description
Sonardynes AODC Emergency
Transponders have been developed
to satisfy the requirement for a
portable and economic device for
fitting to Diving Bells which will
provide an up-to-date means of
emergency relocation.
Operating in the frequency band of
37-40kHz, these transponders have
been developed to meet stringent
AODC requirement. They operate in
the 'Sequential Mode' and are
interrogated on their own individual
preset interrogation frequency
(Channels A or B). The reply
frequency is preset to the 'emergency
reply frequency' of 37.5kHz.
Key Features
•
Meets AODC requirements
•
Compact, rugged design
•
Minimum interrogation range of
500 metres
•
Choice of operating channels
•
Up to 18 months listening life
They also satisfy the growing need
for small, medium-range
transponders, which can be easily
handled/ deployed by divers and
vehicles and used for making high
precision measurements and
assisting area searches in low
visibility.
The excellent transducer response
time and stable turnaround delays
allows good measurement accuracies
to be achieved and the delayed
response provides a 'down to zero'
ranging capability. The output power
selected allows a compromise
between an acceptable operating
life, operation in high levels of noise
and as a minimum, an interrogation
range of 500 metres.
Sonardyne UK (Head Office)
T. +44 (0) 1252 872288
F. +44 (0) 1252 876100
E. sales@sonardyne.com
www.sonardyne.com
Specifications
AODC Emergency Transponders
Feature
Operating Frequency
Individual Emergency Interrogation
Channel Frequency
Emergency Reply Frequency
Turnaround Delay
Transponder Source Level
Beam Pattern
Minimum Listening Life In Water
Number Of Replies @ 85 dB
Remote Low Battery Indication
Mechanical Construction
Depth Rating
Dimensions (LxDia)
Weight In Air
Weight In Water
Types 7097 & 7192
36-44kHz
Preset during manufacture to Channels A or B
38.5kHz & 39.5kHz
37.5kHz
125.8 ms (crystal controlled)
185dB re 1µP at 1 metre
Hemispherical
Type 7097
Type 7192
6 months (Alkaline)
18 months (Lithium)
900,000
Listening life of 3 months and minimum reply life of 5 days
Anodised aluminium housing
300 metres
533mm x 69.9mm
3kg
1kg
Specifications subject to change without notice - 10/2006
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