Sonardyne ORT Release 7409 – Available for rental, hire and ex-rental purchase from Ashtead Technology.
The Sonardyne Oceanographic Release Transponder (ORT), Type 7409, is an acoustic release which will operate following a sequence of commands provided by the Sonardyne Lightweight Command Unit (LCU) type 7663.
Battery Life: Operational life consists of quiescent life plus at least 25 releases under full load (Alkaline) and at least 75 releases (Lithium). Deck testing of the release without load causes negligible battery drain.
|Tx Frequencies||16.5 - 17.5 kHz|
|Tx Pulse Length||10 ms|
|Tx Source level||186 dB re 1m Pa at 1m|
|Tx Beam Pattern||Hemispherical|
|Rx Frequencies||17.5 - 19.5 kHz|
|Rx Sensitivity||<90 dB re 1m Pa|
|Safe Working Load||850 kg|
|In Line Breaking Load||5,100 kg|
|Maximum Buoyancy Load for Release||1,700 kg|
|Battery Operational Life||Alkaline - 9 months Lithium - 2 years|
|Shelf Life of disconnected battery||(stored at < 25° C) Alkaline - 2 years Lithium - 7 years|
|Maximum Operating Depth||2,000m|
|Command Unit - Weight in air||8 kg||17.6 lbs|
|Weight in water||3 kg||6.6 lbs|
|Shipping Weight||40 kg||88.2 lbs|
|Transducer||473mm x 102mm||18.6 x 4""|
|Release - Weight in air||22 kg||48.5 lbs|
|Weight in water||17 kg||37.5 lbs|
|Shipping Weight||30 kg||66.1 lbs|