7 Tips To Buy The Best Fish Finders

7 Tips To Buy The Best Fish Finders

7 Tips To Buy The Best Fish Finders

Sometimes it’s quite difficult to understand thoroughly all features of the best fish finder, such as sonar, echoes, flashers, transom mounts, and transducers. So, how do you choose the device to help you catch more fish? You’ll find useful instructions to make a wise decision when shopping a fish finder.

 

Frequency – single, dual, and multiple

Frequency is a main factor of transducers. Many transducers range from 50 to 200 kHz frequencies, all those relate to the cone angle.

  • Dual frequency transducer often comes from 20 to 60-degree cones.
  • Higher frequencies from 192 to 200 kHz run better in the shallower water, while some lower 50 kHz transducers operate well in deep water for professionals and commercial use.
  • The higher frequency counts, the more information displays on the screen since they have more sonar waves sent out and returned to the transducer. Thus, if you catch in the shallow waters, you can follow this way.
  • Some fish finders have multiple frequencies over 400 kHz which support useful details on screens and you can switch from broader with more general views to narrower with more detailed views.

The power

Another main factor you should consider before buying a fish finder is power. The power is counted in wattage (W). The bigger the wattage, the quicker the screen can show information, and the deeper the details can be, and vice versa. Since the fish finder interpret sonar waves from the transducer. If the power is weak, sonar waves are slower and the reading is fuzzier, and vice versa.

If you fish in the deep water such as salt water bodies or the Great Lakes, you should find the maximum power fish finder on your budget.

The screen resolution

The number of pixels on the screen is also the main feature to consider. A pixel looks like a dot on the screen. A dot is the smallest part of details and you can know useful information through the collection of all dots. If a screen is 640 x 640 pixels, there are 640 dots in every row from left to right, and similarly to the column.

Thus, if you have a screen with more pixels, you can see more details. The minimum pixel screen is 240 x 160 pixels and it can show pretty blocky images. If you want crisper and sharper images, you should own a higher-resolution screen.

To buy a clear display, you need to consider two main factors: the screen resolution and screen size. Cheap machines often have small screens for good secondary fish finders or backup. If you want the main unit, the biggest screen size is an ideal choice. Thus, you have a clear image and are easy to view and differentiate.

The color screen

The color factor is a new standard in screen technologies. It offers greater details, for example, it will make underwater objects like fish truly pop out on your screen. Then, you can simply to understand objects in the deep water. The color is easier to see than white and black screens and when the weather is cloudy or dark, your screen is outstanding.

The transducers

The main factor is the transducers that can send out and receive sonar waves. Transducers emit the sonar signals to water, and those signals bounce off underwater objects and return to the transducers. Then, the main unit receives the data and interprets it into an image on the screen.

The cone angles and beams

The cone angle shows the width of a beam that is sent from the boat bottom in the water. That looks like an ice cream cone upside down and the top is pointy and quite thin. When it comes down further, it gets wider. The wider the cone degree, the bigger the area is being coated. Thus, when the cone angle is wider, the sensitivity begins to diminish in the deeper water.

The transducer material

The material is various and every type fits each specific boat.

  • When you use the thru-hull or in-hull transducer, the plastic housings are preferable for metal or fiberglass hulls.
  • Stainless steel housings match the aluminum or steel hulls.
  • Bronze housings are good for wood or fiberglass hulls.

Finally, ensure your fish finder is durable. Find the units coming from hard plastic since they can withstand wear and tear and tough elements. It’s important to know that waterproof doesn’t mean water resistant. Most fish finders are entirely waterproof however the machine can suffer from serious damage when submerging in a long time. Store the device in good conditions when you don’t use.

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