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Factors to consider when selecting a Fish Finder
Factors to consider when selecting a Fish Finder. by Andrei L.
Select Fish Finder that right for you!
There are four facets to a good
sonar unit:
* High power transmitter. * Efficient transducer. * Sensitive
receiver. * High resolution/contrast display.
All of the parts of this
system must be designed to work together, under any weather condition and
extreme temperatures.
High transmitter power increases the probability
that you will get a return echo in deep water or poor water conditions. It also
lets you see fine detail, such as bait fish and structure.
The transducer
must not only be able to withstand the high power from the transmitter, but it
also has to convert the electrical power into sound energy with little loss in
signal strength. At the other extreme, it has to be able to detect the smallest
of echoes returning from deep water or tiny bait fish.
The receiver also
has an extremely wide range of signals it has to deal with. It must dampen the
extremely high transmit signal and amplify the small signals returning from the
transducer. It also has to separate targets that are close together into
distinct, separate impulses for the display.
The display must have high
resolution (vertical pixels) and good contrast to be able to show all of the
detail crisply and clearly. This allows fish arches and fine detail to be
shown.
Factors to consider when selecting a transducer:
When
trying to determine which transducer is best for you, you'll need to consider
the following variables: * What material the transducer housing is made of,
based on boat hull composition * How the transducer should be mounted on the
boat: in the hull, through the hull, or on the transom * What you want to see
displayed: depth, speed, temperature, or a combination
Composition The
first step is to determine what material the transducer should be composed
of.
Find moore info at:http://www.bystore.org/select_fish_finder.html
Submitted by: michelle
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Added: Tue Nov 07 2006
