User manual SIMRAD ES70-11 DATASHEET REV B

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Manual abstract: user guide SIMRAD ES70-11DATASHEET REV B

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

 [. . . ] TRANSDUCER
Simrad ES 70-11

70 kHz Split-beam transducer

Introduction

The ES70-11 is a split-beam transducer in a streamlined housing.  [. . . ] The specications below are valid when wired as a single-beam unit. 

Order number
KSV-110280

Resonant frequency. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 kHz Beamwidth,  circular. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 deg ±1 Directivity: D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250 ±20% DI=10logD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 ±1 dB Equivalent two-way beam angle: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0. 022 ± 20% steradain 10 log. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -16. 5 ±1 dB Side lobes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . less than -15 dB Back radiation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . less than -30 dB Angle sensitivity: Phase angle/angle to target . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13. 7 Impedance: Nominal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 ohms Max. variation in |Z| . . . . . . . . . . . . . . . . . . . . . . . . . 45 - 80 ohms

Technical specications

(855-164126 Rev. B)

Max variation in phase angle . . . . . . . . . . . . . . . . . . . . . . . . . ±30 deg Transmitting response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175 dB ±2 re 1µPa per V Receiving sensitivity,  open circuit . . . . . . . . . . . -181 dB ±2 re 1V per µPa Electroacoustic efciency . . . . . . . . . . . . . . . . . . . . . . . . . 0. 50 ±0. 10 Maximum pulse power input . . . . . . . . . . . . . . . . . . . . . . . . . . . 800 W Maximum continous power input . . . . . . . . . . . . . . . . . . . . . . 40 W Maximum transducer depth . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  [. . . ] 10. 6 ±0. 5 mm Weight without cable in water . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 kg Weight without cable in air . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 kg Storage temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 to 70 °C

Data

Installation

Junction box and additional cable can be supplied by Simrad
Manufacturer: Simrad AS Strandpromenaden 50 P. O. Box 111 N-3191 Horten Telephone: +47 33 03 40 00 [. . . ]

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