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- Why Buy From Us
B75 High 12 Degree Thru-Hull Tilted Element 8-Pin
Airmar’s Broadband / CHIRP transducers represent the next generation of technology that will allow fishermen to unlock 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. For example, if a fishfinder transmits a pulse that is 500 microseconds in duration, it has a pulse length of 0.7 m (2.4’). With a tone burst, no targets can be resolved that are closer to one another than the pulse length. Fish less than 0.7 m (2.4’) apart, or less than 0.7 m (2.4’) from the bottom, can not be detected. Fish schools will appear in this case as a single large mass, while fish close to the bottom will appear attached to the sea bed and will be difficult or impossible to detect.
With CHIRP, the transmission pulses are typically very long and may start at 40 kHz and end at 60 kHz. By comparing the shape of the stored transmission pulse with the received echoes from the transducer, it is possible to find echoes in the noise and precisely determine their range with astounding accuracy.
Using CHIRP, it is now possible to obtain:
- Much greater range because very long pulses can be used.
- Much better resolution because the sonar pulse is swept across a frequency band (from 40 kHz to 60 kHz, for example).
- Enables targets to be precisely located within inches on the display using pattern-matching techniques.
- Closely spaced fish and fish lying on the bottom can be accurately detected and displayed as distinct targets.
- Because weak fish and bottom echoes can be resolved within the noise (the ‘snow’ on a conventional fishfinder display), it is possible both to detect targets at far greater depths than before and track the bottom at higher boat speeds.
Features:
- 12 m (40’) cable
- Depth and fast-response water-temperature sensor
- Same elements and performance as the B765LH/LM offered in a low-profile housing
- Bronze transducer housing
- Boat Size: Up to 8 m (25’)
- Hull Type: Fiberglass or wood
Shipping is FREE on all orders to customers within the United States.
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Want to know about our Returns Policy? Read more here.
Order Confirmation:
As soon as you place your order you will receive an order confirmation e-mail. This means that we have received your order in our system and pre-authorized your credit card for the purchase.
As soon as we receive your order we automatically check to confirm that your order is in stock and available for immediate shipment. If your item is on back-order or unavailable we will void the pre-authorization and reach out to you via e-mail to see if alternate arrangements can be made.
If your item(s) are available for immediate shipment (within 5 business days) we will process the charges and get to work preparing your order for shipment.
Order Shipment:
If your order is in stock and we process the charges to your credit card it will ship within three business days from the date of your order.
We will send you shipping confirmation within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out.
If you do not receive shipping confirmation from us within four business days of your order feel free to follow up with us at sales@pierandport.com.
International Orders:
Please be aware that our products are made specifically for the United States market.
Our products have generally not been certified for use with other countries electrical safety standards but all of our products are certified to United States standards.
We will happily ship our fantastic products to international customers. Due to the extremely wide variety of product dimensions we will provide an up to date shipping price quote for you on request.
If you are happy with our shipping quote we will prepare an order and payment though our ultra secure online payment gateway.
Damages:
Please inspect the packaging of your item(s) when they arrive, if you notice any damage you should make note of it when signing for delivery or do not agree to accept the delivery.
If you do accept delivery you are required to immediately take photos using your smart phone or camera of the damaged packaging or products inside the packaging.
If your item(s) do arrived damaged please send photos to sales@pierandport.com, then visit our Returns page and lodge your return claim online.
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