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Hydrophones Projectors Echo Sounders Sidescan Sonar Sonar Test & Evaluation Telemetry & Acoustic Releases Custom Design Calibration |
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Chelsea Technologies Group manufactures a wide range of state of the art equipment and systems for calibration, test & general performance evaluation of airborne, surface ship and submarine sonars. The core technology has developed over a number of years & now includes the ERAS, PERS & VASS range of products. |
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Echo Repeater Acoustics Source ERAS is a compact and versatile system for the performance evaluation of a wide range of active and passive sonar. It has been designed to be hand-deployed from small vessels with few facilities - the transducer assembly is a small lightweight unit containing both projector and hydrophone. At the surface, the system includes a rugged, portable, power amplifier unit and a controlling computer. |
Versatile Acoustic Source System VASS is a highly versatile and flexible sonar test system designed to evaluate the performance of a wide range of active and passive sonars. It can produce complex calibrated transmissions in addition to echo repeating, transponding and acting as a calibrated receiver. VASS can be deployed from relatively small vessels with few facilities required other than power and a crane or A frame. |
PERS is a compact and versatile system for the
performance evaluation of a wide range of active and passive sonar.
It
includes many of the powerful
features of VASS
but without the complexity of a towed format
obviating the need for larger vessels. PERS has been
designed to be hand-deployed from small vessels with few facilities -
the transducer assembly is a small lightweight unit containing both
projector and hydrophone. |
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