IXSEA
IS DATE
UM-AR 6X1
PAGE
1.1 06/11/02
10/20
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2.5. Transmitter
- Reply to FSK commands (acknowledgement and execution)
- 8 or 12 kHz as standard, with factory option between 8 to 15 kHz (0.5 kHz step)
- Acoustic source level:
190 ± 3 dB ref. 1 µPascal at 1 meter with 12 kHz
187 ± 3 dB ref. 1 µPascal at 1 meter with 8 kHz
- Pulse width: 10 ms ± 0.5 ms
- Frequency stability: ± 30 Hz
- Consumption: 1 Joule per reply
2.6. Transducer
Beam pattern: hemispherical ± 3 dB
2.7. Release Motor
Directly powered with alkaline cells or through a regulator (depending on the battery type)
Typical consumption = 0.25 A over 3 to 4 seconds (1 A max. over 10 seconds on rotation limit
of the motor)
2.8. Battery Packs/Life
2.8.1. Power Supply
- As standard 18 alkaline cells (Lithium LiSOCl2 cells as option)
- 3 parallel banks of 6 D-size cells in serie
- Operating life:
* Alkaline cells:
3 years at 20° C with more than 100 releases
2 years at 0° C with more than 100 releases
•
1000 Acoustic Replies reduce the life by 2 days
•
100 Releases reduce the life by 4 days
* Lithium cells:
6 years with more than 100 releases,
•
1000 Acoustic Replies reduce the life by 1 day
•
100 Releases reduce the life by 2 days
Use only LiSOCl2 lithium cells with spiralled technology (Capacity doesn't change with cell
inclination). SAFT model LSH 20 is recommended.
Do not change the type of cells without setting the AR_AL link on the PCB (refer to § 4.4).
