Airmar B75 CHIRP Thru-Hull Transducer 50/200kHz
Airmar B75 CHIRP Thru-Hull Transducer 50/200kHz
Deliver to:
New South Wales 2000,
AU
Estimated:
$52.99
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Locate targets with precision
The Airmar B75 CHIRP Thru-Hull Transducer represents the next generation of technology that will allow fishermen to unlock new secrets in fishfinding. Echosounder operation away from the traditional 50 kHz and 200 kHz has proven that different fish species return better signals at various frequencies. Airmar's Broadband Transducers are capable of operating over a wide (or Broad) frequency band ranging from 25 kHz to 60 kHz and from 130 kHz to 210 kHz. Traditional fishfinders transmit a pulse at a single-frequency (50 kHz or 200 kHz) which is often referred to as a tone burst. Better deep-water and bottom detection is obtained by transmitting a longer pulse, because the fishfinder is delivering more energy to the transducer. However, the drawback of a long pulse is that it provides reduced target resolution.
The Airmar B75 CHIRP Thru-Hull Transducer offers much better resolution because the sonar pulse is swept across a frequency band (from 40 kHz to 60 kHz, for example). This enables targets to be precisely located within inches on the display using pattern matching techniques. Closely spaced fish and fish laying on the bottom can be accurately detected and displayed as distinct targets. Because weak fish and bottom echoes can be resolved within the noise, it is possible both to detect targets at far greater depths than before and track the bottom at higher boat speeds.
Airmar B75 CHIRP Thru-Hull Transducer Features:
- 1-Internal Broadband Ceramic Assembly
- Depth & fast-response water-temperature sensor
- Available in 0°, 12°, or 20° tilted version
- Same elements and performance as the B765LH/LM offered in a
low-profile housing
- Bronze transducer housing
- Boat Size: Up to 11 m (35’)
- Hull Type: Fiberglass or wood
- Useable shaft length ~ 95mm (3.75”)
- Requires 2-13/16” hole
- Low-Frequency (L)
Low—CHIRPs from 40 kHz to 75 kHz, 32° to 21° beamwidth
35 kHz of total bandwidth from one transducer
Covers popular fishing frequency of 50 kHz plus everything else in the bandwidth - Medium-Frequency (M)
Medium—CHIRPs from 80 kHz to 130 kHz, 24° to 16° beamwidth
50 kHz of total bandwidth from one transducer
Covers popular fishing frequencies of 88 and 107 kHz plus everything else in the bandwidth - High-Frequency (H)
High—CHIRPs from 130 kHz to 210 kHz, 15° to 9° beamwidth
80 kHz of total bandwidth from one transducer
Covers popular fishing frequency of 200 kHz plus everything else in the bandwidth
Note: Connector not included.
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