MODEL 550 & 550R

Designed as the smallest possible thru-hull bronze housing that can use the commercial type 50kHz elements.  It is small enough for pleasure boats, but has the output and sensitivity of a commercial transducer. 

Specification Data Sheet   

Installation Instructions

Engineering Drawing

Options:

bulletTemperature sensor.
bulletChoice of cable size.
bulletSingle 50/200 kHz element
bulletHigh Power capability, 600 to 1,000 watts

Weight:

bullet7 lbs.

Specifications:

FREQUENCY (kHz)

 BEAM WIDTH (degrees @ -3db)

ELEMENT SIZE (inches)

 ELEMENT SIZE (millimeters)

CAPACITANCE (pf)

NOTE (1)

IMPEDANCE (ohms)

NOTE (2)

TRANSMIT RESPONSE

(db)

NOTE (3)

RECEIVE RESPONSE

(-db)

NOTE (4)

POWER RATING, RMS (watts) 

REMARKS
200 7 2.5 65 3700 200 167 -183 1000  
50 36 2.3 60 8500 180 165 -180 600  

                                                                NOTES: (1)  with standard length cable.  (2)  equivalent series R in water.  (3)  the source level generated by one watt input.  (4)  the open circuit RMS voltage generated by a pressure of one microbar.

 

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