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Acousonde™

Ordering Information

Acousondes are build-to-order. In some cases a unit matching customer needs may be in stock, but if not, delivery time may be up to 18 weeks after receipt of order.

For more detailed specifications, please see the Acousonde 3A PDF brochure and/or the the Acousonde 3B PDF brochure.

NOTE: The operating firmware is constantly being improved. Please see the current firmware release notes for firmware status and known remaining issues.

Acousonde™ 3A (Model B003A)
  • Depth sensor, 500 m (-500m suffix), 2000 m (-2km), or 3000 m (-3km)
  • Cylindrical encapsulation
  • (2) 32 GB storage cards, total 64 GB nominal/unformatted storage capacity
  • Full-speed USB data offloading, approximately 3.3 GB/hour
  • Internal low-power hydrophone for frequencies up to 9.2 kHz
  • Switchable acoustic gain of 0 or 20 dB
  • Low-power hydrophone saturation nominal 187 dB re 1 µPa 0-pk (0-dB gain)
  • Automatic anti-alias filter, can be bypassed
  • 3D accelerometer, 10-bit resolution, 2g full-scale
  • 3D compass
  • Internal temperature sensor
  • Powered from A-size lithium primary cell (1 cell included)
  • Built-in battery pressure housing
  • Includes one USB-A to MicroUSB cable
Acousonde™ 3B (Model B003B)
  • Depth sensor, 500 m (-500m suffix) or 2000 m (-2km)
  • Encapsulated with integrated suction cups, flotation, and retrieval strobe
  • (2) 32 GB storage cards, total 64 GB nominal/unformatted storage capacity
  • Ambient light sensor
  • Compartment for small VHF beacon (not included)
  • One spare set of four suction cups
  • Other features same as Model B003A
DG3B Deployment grip (see gallery for photograph)
  • Custom-molded device to grip Acousonde 3B for direct/pole deployment
  • Includes a few inches of smooth 1/2" (0.84"/21.34mm O.D.) PVC rod on hinge embedded in grip
  • Does not include deployment pole or any assembly hardware
  • Not for use with Acousonde 3A
B003-SC Package of 4 Acousonde 3B suction cups
  • Custom-molded silicone suction cups for use with Acousonde 3B
  • Includes standard 0.1" cable ties to secure suction cups to tag
  • Not for use with Acousonde 3A
B003-BC-FLANGE Spare custom-made anodized battery cap ("flange cap")
  • Flange shape to stabilize float if attached to battery cap (Acousonde 3A only)
  • Tapped hole to accommodate 10-24 threaded hardware such as eyebolts
  • Wrench flats for tightening (requires 15/16" or 24 mm wrench, not included)
B003-BC-DOME Spare custom-made anodized battery cap ("dome cap")
  • Hydrodynamic semispherical "nose" primarily for Acousonde 3B, but also fits Acousonde 3A
  • Slot to accommodate jumbo flat screwdriver for secure tightening (not included)
  • 1.5 mm hole accommodates fine tether if needed
Option B003-XS32 Bring total storage to 32 GB
All units now ship with at least one 32-GB storage card. This option is obsolete.
Option B003-XS128 Bring total storage to 128 GB unformatted
  • For Model B003A, loads all four slots with 32 GB cards
  • For Model B003B, loads both slots with 64 GB cards
  • Brings total storage up to 128 GB nominal unformatted
  • NOTE: on the standard battery the Acousonde is unlikely to fill storage
  • NOTE: there is no guarantee future software will improve battery longevity
  • NOTE: USB offload speed is about 3.3 GB per hour; offloading 128 GB will take nearly two days
Option B003-XS256 Bring total storage to 256 GB unformatted (B003A units only)
  • Loads all four B003A slots with 64 GB cards
  • Brings total storage up to 256 GB nominal unformatted
  • NOTE: on the standard battery the Acousonde is unlikely to fill storage
  • NOTE: there is no guarantee future software will improve battery longevity
  • NOTE: USB offload speed is about 3.3 GB per hour; offloading 256 GB will take over three days
Option B003-HF High-frequency hydrophone
  • Build-to-order option for Models B003A and B003B
  • Adds internal high-frequency hydrophone, 125 kHz ceramic
  • Low-power hydrophone remains in place; user chooses hydrophone at deployment time
  • Hydrophone saturation nominal 172 dB re 1 µPa 0-pk (0-dB gain)
  • Switchable acoustic gain of 0 or 20 dB
  • Customer identifies desired high-pass cutoff, no less than 20 Hz
  • Fixed 6-pole linear-phase anti-alias low-pass filter cutoff (-3 dB) at 42 kHz
  • Anti-alias filter rolls off gradually to -22 dB at 100 kHz
  • Anti-alias filter can be bypassed
  • Runtime decimation available with planned future firmware update
Option B003-UH Install customer's high-frequency hydrophone
  • Build-to-order option for Models B003A and B003B
  • Alternative to B003-HF
  • Customer provides miniature hydrophone for custom installation
  • Hydrophone must be ≤0.625" and ≤0.780" (smaller and larger dimensions)
  • Includes high-frequency preamplifier as used in Option B003-HF
  • Customer supplies all calibration information
Option B003-CH Customized low-power hydrophone gain & high-pass filtering
  • Build-to-order option for all Acousonde models
  • Customer specifies low-power channel gain & high-pass filtering
  • Request this only if you can't use default gain & high-pass filter characteristics
Option B003-AA Customized 6-pole anti-alias filter for high-frequency channel
  • Build-to-order option, can only be ordered in conjunction with Option B003-HF
  • Customer specifies resistor and capacitor values for 6-pole anti-alias filter
  • Request this only if you can't use default high-frequency anti-aliasing
Option B003-CF Customized high-frequency hydrophone high-pass filtering
As of May 2013 the high-frequency hydrophone option (B003-HF) always applies a custom high-pass cutoff frequency identified by the customer. The B003-CF option is obsolete.
Bioacoustic Probe (Model B002B)
Model B002B is discontinued and all stock has been sold.