Teledyne Benthos - Underwater Systems, Survey Equipment: Seafloor Mapping, Hydrophones, Locators, Flotation and Positioning Products Teledyne Benthos - Underwater Systems, Survey Equipment: Seafloor Mapping, Hydrophones, Locators, Flotation and Positioning Products Teledyne Benthos - Underwater Systems, Survey Equipment: Seafloor Mapping, Hydrophones, Locators, Flotation and Positioning Products
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Acoustic Releases 
 
BF-312HP
High Power Bottom Finding Pinger
 
• 210 dB source level
• 100 hour operating life
• External Connector for battery charging and control to/from auxillary instrumentation
• Missed ping option allows periodic skipping of a transmit burst for checking absolute depth of pinger
• Internally selectable repetition rate
• Single bolt end cap closure
Operating Frequency

12 kHz
Carrier Frequency

±50 Hz
Source Level 210 dB re 1 µPA @ 1 meter
Repitition Rate

1 second or 0.5 second when activated by mercury tilt switch 
Repitition Rate Stability

±50 µsec 
Pulse Length

Internally selectable 0.5, 2, 5, 10 msec
Battery Type

20 replaceable "C" cells
Operating Life:
Alkaline Expandable Batteries 		 100 hrs @ 1PPS, 0.5 msec pulse width
Rechargeable Battery Charging Time Using Model 
BC-31 Battery Charger

16 hours maximum
Pressure Housing

Aluminum anodized
Operating Depth

10,000 meters
End Cap Closure 

Single bolt closure
Transducer Beam Pattern

50° conical 
Operating Temperature 

-5° to +50°C
Storage Temper  -20° to +81° C
Dimensions

5 in. O.D. X 26 in. long
Transducer end 7 in. O.D 
Weight
In Air
In Water 
31.75 cm (70 lb)
14.9 cm (33 lb) 

Related Equipment
Click on the links below for equipment designed to work with this product group
UDB-9000 Universal Deck Box for topside control
TU-1000 Hand Held Acoustic Tester
 
 
 
 
 
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Teledyne Benthos • 49 Edgerton Drive • North Falmouth, MA 02556 USA
Telephone: (508) 563-1000 • Fax: (508) 563-6444
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