These Neptune Model 390 High Frequency Transducer are intended for short range, narrow beam echo sounding applications. Available in a choice of five different frequencies, the Neptune Model 390 Series transducer is intended for vertical depth sounding applications.
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The frequencies selected for the Neptune Model 390 High Frequency Transducer Series are compatible with a wide range of echo-sounder types, in particular the 210 kHz version is an exact equivalent for the Atlas SW 6014. They can typically be used with the following range of echo sounder manufacturers: Atlas, Kongsberg, Knusden, Odom, Reson, Valeport.
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