Survey Equipment

Sonardyne ORT and DORT Acoustic Release Transponders

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  • Sonardyne ORT and DORT Acoustic Release Transponders
Sonardyne DORT Deep Oceanographic Release Unit
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Description

The Sonardyne Oceanographic Release Transponder (ORT), Type 7409, is a highly reliable, sturdy, economical Acoustic Release. The release will operate, following a secure sequence of commands provided by the Sonardyne Lightweight Command Unit (LCU), Type 7663. It is also possible to range from the LCU to the ORT without activating the release.

The secure sequence of commands will stop random interrogation by ambient noise and so extend battery life. The housing endcaps and guard are constructed out of aluminum bronze to give the 7409 strength and resistance to corrosion. The release mechanism is constructed out of a stainless steel casting. The battery status, angle of tilt and state of release can all be monitored via an acoustic telemetry link by the surface LCU unit.

Key Features

Safe Working Load of 1275kg (options for heavier loads).

2000 metre & 6000 metre depth rated options.

Highly reliable release mechanism.

Up to 2 years deployment.

Excellent corrosion resistance.

Compact and rugged design.