Model 870 (Port, Stbd)
Deep water, dual frequency side scan sonar array 120/410 kHz with operating depth to 9,000 meters (13,500 psi).
Jetasonic® 870 is long range, deep sea sonar array with solid rectangular aluminum body and black anodize finish. It has two pairs of rear mounting holes, angled bulkhead connector and black urethane encapsulation. Each array is water-sealed and pressure tested to 13,500 psi for long-term, reliable operation.
The 870 array can be used as a general model, along with the port (PORT) and starboard (STBD) modifications that mirror each other. Refer to the outline drawings for mounting specifications.
|Download outline drawings for 870, 870 Port, 870 Stbd.
|Series frequency (Fs)||120 kHz||410 kHz|
|Quality factor (Qm)||6||5.5|
|Beam angle, fore-aft (@-3 dB)||1.15°||0.8°|
|Beam angle, vertical (@-3 dB)||60°||60°|
|Side lobes, fore-aft axis||-20 dB||-20 dB|
|Series impedance (|Zs|·ejθ)||100 Ω, -15°||100 Ω, -15°|
|Electrical isolation (500 Vdc)||≥109 Ω|
|Max. input voltage||600 Vp|
|Material / finish||Aluminum / black|
|Electrical connection||Bulkhead, 5 pin|
|Weight in air||16.4 lbs (7.4 kg)|
|Operating depth||9,000 m|