Deep Minds Ultrasonic

BBUA-F50K200K-B Dual-Frequency Fish-Finding Transducer

BBUA-F50K200K-B dual-frequency fish-finding and depth transducer with threaded mounting stem

Two operating frequencies for fisheries acoustics

The BBUA-F50K200K-B combines 50 kHz and 200 kHz channels in a transducer for fish detection and marine depth sounding. The source also lists underwater target search and integration into fisheries-acoustics equipment. For the 200 kHz channel, the documented recommended range is 0.6 to 120 m.

Frequency-specific electrical data

Center frequencies 200 kHz ±5% / 50 kHz ±5%
Recommended range 0.6 to 120 m at 200 kHz
Minimum impedance at 50 kHz 180 Ω ±20%
Minimum impedance at 200 kHz 210 Ω ±20%
Capacitance at 50 kHz 3200 pF ±20% at 1 kHz
Operating voltage Peak voltage <1500 Vpp
Half-power beam angle 8.7° ±10% at -3 dB

Mechanical and environmental specifications

Operating temperature -40 to +80 °C
Pressure rating ≤10 kgf or 1 MPa
Protection rating IP68
Housing materials Brass and ABS
Weight 1110 g ±5%
Cable length 10 m
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