User manual SIMRAD ES120-7F DATASHEET REV C

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Manual abstract: user guide SIMRAD ES120-7FDATASHEET REV C

Detailed instructions for use are in the User's Guide.

 [. . . ] TRANSDUCER
Simrad ES 120-7F

120 kHz Split-beam transducer

Introduction

The ES120-7F is a split-beam transducer with 76 piezo-ceramic elements distributed over four quadrants.  [. . . ] The unit has a streamlined housing for hull and towed foil mounting. 

Order number
KSV-110553

Resonant frequency. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 kHz Beamwidth,  circular. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 deg ±1 Directivity: D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 650 ±20% DI=10logD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ±1 dB Equivalent two-way beam angle: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0. 009 ± 20% steradain 10 log. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20. 5 ±1 dB Side lobes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . less than -15 dB Back radiation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . less than -35 dB Angle sensitivity: Phase angle/angle to target . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Impedance: Nominal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 ohms

Technical specications

(855-164135 Rev. C)

Max. variation in |Z| . . . . . . . . . . . . . . . . . . . . . . . . . 45 - 80 ohms Max variation in phase angle . . . . . . . . . . . . . . . . . . . . . . . . . ±30 deg Transmitting response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179. 5 dB ±2 re 1µPa per V Receiving sensitivity,  open circuit . . . . . . . . -180. 5 dB ±2 re 1V per µPa Electroacoustic efciency . . . . . . . . . . . . . . . . . . . . . . . . . 0. 70 ±0. 20 Maximum pulse power input . . . . . . . . . . . . . . . . . . . . . . . . . 1000 W Maximum continous power input . . . . . . . . . . . . . . . . . . . . . . 10 W Maximum transducer depth . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  [. . . ] 10. 6 mm Weight without cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6. 6 kg

Data

Installation

Manufacturer: Simrad AS Strandpromenaden 50 P. O. Box 111 N-3191 Horten Telephone: +47 33 03 40 00 [. . . ]

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