Autonomous Underwater Recording Systems are self-contained underwater acoustic recorders comprised of one (or more) hydrophones(s), a digital recorder, and a field-replaceable battery.

Cetacean Research Technology offers five options for autonomous underwater recording: four versions of the remote underwater digital acoustic recorder (RUDAR™) which are manafactured by CRT, plus the Acoustimetric Acousonde™; a cetacean tag.

nRUDAR™ µRUDAR™ mRUDAR™ Conceptual RUDAR™ Prototype deployed PDF specs

nRUDAR™

The nRUDAR™ (nano Remote Underwater Digital Acoustic Recorder) is a hand-held, ultra compact, short-term, autonomous underwater recording device that is designed for a wide range of applications. Recording time is 4 to 15 hours depending on the model and sampling rate. more »

µRUDAR™

The µRUDAR™ (micro Remote Underwater Digital Acoustic Recorder) is a very compact, short-term, autonomous recording device that is designed for fast and easy deployment in a wide range of applications. Recording time is 18 to 61 hours depending on the sampling rate. more »

mRUDAR™

The mRUDAR™ (mini Remote Underwater Digital Acoustic Recorder) is currently undergoing redevelopment and is temporarily not being produced. more »

RUDAR™

The RUDAR™  (Remote Underwater Digital Acoustic Recorder) is a compact, long-term, autonomous recording device that is light enough to be deployed by hand from small boats. The core data acquisition and processing components of the ST1400ENV mobile data recorder & sound level monitor are used. more »

Acousonde™

Acousonde™ 3B deployed PDF specs

Cetacean Research Technology is the distributor for the Acoustimetrics Acousonde™.

The Acousonde™ 3B is a self-contained underwater acoustic recorder comprised of one (or optionally, two hydrophones), sensors for attitude, orientation, depth and temperature, a digital recorder, and a field-replaceable battery. Attached to an animal subject, the Acousonde measures the subject's sound environment and vocalization activity as well as potentially associated behavior. Please see the Acousonde™ 3B brochure for specifications. For technical questions, please visit the Acousonde FAQ page prior to contacting us.

American customers, please contact Acoustimetrics directly to place your order.

Please contact us for complete specifications and pricing.
Specifications and pricing subject to change without notice.