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FSI - Model BPA-62X -Bottom Profiling Arrays and Tow Vehicles
The BPA-622 Dual Array is configured with two transducer arrays (low and high frequencies) and an integrated hydrophone array. The combined transmit and receive beam pattern of the BPA-622 is 80 in the forward and aft direction and 32 athwart for the low frequency array, and 120 beam in the forward and aft directions and a narrow, 9 beam athwart for the high frequency array.
- Single- or Two-Channel Pipeliner Side-Mount Arrays
- Compatible with Chirp II and Chirp III Systems
- LF array, HF array, Hydrophone, Mounting Bracket
- The BPA-62X Side-Mount Arrays and Tow Vehicles are specifically designed for detecting and tracking buried pipe.
The BPA-621HF Array is configured with a high frequency transducer array with an option for a separate hydrophone array. The transmit
and receive beam pattern for the high frequency array is 120 beam in the forward and aft directions and a narrow, 9 beam athwart.
- Standard portable over the side mounting configuration for accurate positioning of buried pipe location
- Excellent performance in a variety of sediment types
- Can be operated with receive hydrophone for shallow water, or in T/R mode for deeper water
- Can be configured with optional tow package for use with armored tow cables
- Corrosion resistant construction
- Compatible with industry standard sub-bottom profiling systems
Physical Characteristics
- BPA-622 Construction: Stainless Steel frame with a Polycarbonate shell
- Dimensions: 61 cm (24.0 in.) long by 77 cm (30.5 in.) wide (Approximate)
- Weight in air: 74.8 kg (165 lb)
- Weight in water: 45.4 kg (100 lb)
- Operating depth: 2000 meters
- BPA-621 Construction: Aluminum frame
- Dimensions: TBD
- Weight in air: 30 kg (165 lb)
- Weight in water: TBD
- Operating depth: 1000 meters
- Operational speed: 1 to 8 knots operational
Low Frequency Array
- Transmitter Array: ATTR-4.5K-45-90
- Power: 2kW, 15% duty cycle at 3.5 kHz for 206 dB re 1 Pa @ 1 m nominal,
- 4 kW maximum at reduced duty cycle
- Frequency range: 2 kHz to 7 kHz band
- Transducer radiation: 80 fwd/aft, 32 athwart
High Frequency Array
- Transmitter Array: ATTR-15K-9-120
- Power: 800 watts, 15% duty cycle at 17 kHz for 212 dB re 1 Pa @ 1 m, nominal,
- 4 kW maximum at reduced duty cycle
- Frequency range: 8 kHz to 23 kHz band
- Transducer radiation: 120 fwd/aft, 9 athwart
- Sonar Receiver
- Receiver hydrophone: ATHYD - 37K - 5 - 55
- Frequency band: 1.5 kHz to 40 kHz
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