uRec384k


Programmable Underwater Acoustic Recorder



A quick deployment instrument, for underwater acoustic monitoring, with high quality and affordable cost.
Suitable to monitor the acoustic environment from nets to conservation hot-spots, Marine Protected Areas, off-shore operations.
uRec offers a simple instrument than can be deployed and recovered from a RIB (see our sample deployment video).

Based on over 15 years of experience our current series features a custom control circuit was designed and integrated to offer full programmability of the units according to the desired recording schedule. uRec384k can record acoustic signals following a time schedule, only limited by available memory and battery capacity.

CURRENT MODEL 24D

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The uRec384k - Underwater Recorder, features, as standard, a Sensor Technology SQ26 pre-amplified hydrophone.

Can sample for weeks with a single battery set.
Sampling up to 384ks/s (kilo samples per second).

Look at the dedicated page here



RASP series - discontinued
Self-contained underwater acoustic recorder.
Initially based on the YAMAHA C24 and on more recorders in the RASP12B larger version, returns valuable results with minimum costs.

Featured with a Sensor Technology SQ26 or CRT hydrophone, is prepared into an PVC canister that can be prepared with several recorders.

It is suitable to monitor continuous acoustic events, like dolphin predation on nets, and features a programmable recording slot over the 24hrs (depending on the recorder model).
About the RASP12
About the larger RASP12B
Model RASP 15
and the latest prototype RASP17A
Custom projects included the RASP 17A, featuring a single Sensor Technology SQ26 preamplifier hydrophone and a ZOOM H1 recorder.
Details here
the RASP 15-SQ26, featuring a single Sensor Technology SQ26 preamplifier hydrophone.
Tech drawings, with measures, available here
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Reference pages for legacy products

MT 150US
Based on M-Audio MicroTrack II with a custom made programmable timer, supports up to one 64GByte compact flash card.
The battery pack has a 12.000mA nominal capacity and is made of NiMH fast rechargeable cells with an ultra-low-dropout voltage regulator.
Uses a Sensor Technology SQ26 hydrophone (other hydrophones can be selected). It is fit into an aluminium canister, 9cm diameter and 30cm tall.
Programming software and how to connect to a computer
MT 200
Same as the MT 150US model, the MT 200 has a 26.000mA battery pack, in longer canister (50cm).

RASP tech sheets (older docs)
Sample recordings:
M-Audio Microtrack 24/96 set at min gain, max quality:

40kHz sweep @ 500mV peak-to-peak

40kHz sweep @ 100mV RMS

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