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Specifications, Repair – Airmar Acoustic Deterrent System—dB Plus II™ User Manual

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Specifications

Coverage for aquaculture application: up to 3,000 square meters.
(This may vary according to location, target species, and pen configuration.)

Standard cable length: 60m (200')

Projector transmit source level: 198dB re 1 micropascal at 1m RMS

Projector impedance: 100 ohms

Transmitter: 4 channels with individual fuses

Transmitter pulse power: 1.8kW RMS per channel

Supply voltage:

Nominal

24 VDC

Normal mode

22 VDC minimum - 30 VDC maximum

Power Save mode

20 VDC minimum - 22 VDC maximum

Shutdown mode

0 VDC minimum - 20 VDC maximum

Power consumption: 1.7 A equivalent continuous current draw in

Normal mode

0.9 A in

Power Save mode (factory preset to use 50% less power)

Soft-start

: 70 seconds to go from 20% to full power

Audible “Insufficient Power” alarm: 97dB

Note: Design and specifications are subject to change without notice.

Repair

Cable

Repairs to cut or damaged cables can be made using an Airmar Splice Kit #33-045, which includes simple
to follow instructions. This kit can be obtained through your local distributor.

Transmitter

All transmitter repairs must be performed by factory trained specialists. If you experience a problem with
the

dB Plus II

 transmitter or have questions about its operation, please call your local distributor or

Airmar Technology Corp. at (603) 673-9570. Please have the transmitter serial number (located on the
bottom of the transmitter) available at the time of the call.