Simrad 120-25 DATASHEET

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Simrad 120-25

120 kHz single-beam transducer

Introduction

The 120-25 is a single-beam transducer protected by a robust housing. The solid interior enables it to withstand the pressure at a depth of 1000 m.

Order number

KSV-062615

Technical specication

Resonant frequency....................................... 120 kHz

Beamwidth, circular...........................10 deg. ±2 deg.

Directivity index ...............................................25 dB

Equivalent two-way beam angle (ψ) ............-17.5 dB

re 1 steradian

Nominal impedance ...................................... 60 ohm

Maximum variation in |Z| ..................... 45 to 80 ohm

Maximum variation in phase .........................±30 deg

Transmitting response.............................176.5 ±2 dB

re 1µPa per V

Maximum input power...................................1000 W

Maximum duty cycle (at maximum power) ........ 5%

Maximum installation depth .......................... 1000 m

Maximum storage temperature ............... -20 to 70º C

Cable length ....................................................... 25 m

Cable diameter ............................................. 10.9 mm

Weight without cable ...........................................4 kg

Receiving sensitivity (open circuit) ................ -183.0

±2 dB re 1V per µPa

Electroacoustic efciency ........................... 70 ±20 %

(855-164023 Rev.B

Data

Installation

Beam pattern Installation example

Installation

Manu fac ture r: Simr ad AS Strandpr ome naden 50 P.O.Box 111 N-3191 Hor ten Telephone: +47 33 03 40 00 Telef ax: +47 33 04 29 87 Internet: ww w.simrad.com

Outline dimensions