Simrad ES333-7C - REV A User manual

Simrad ES333-7C
Split beam echo sounder transducer
Technical specications
The following specications are
valid for a 100 W pulse when all four
quadrants are wired in parallel. Note
that these specications can be altered
without prior warning.
• Resonantfrequency:333kHz
• Circularbeamwidth:7deg
• Directivity:DI=28dB
• Equivalenttwo-waybeam
angle:-21dBre1sr
• Sidelobes:Lessthan-21dB
• Backradiation:Lessthan-35dB
• Impedance:
 Total:19Ω
  Eachquadrant:75Ω
• Transmittingresponse:
182,5dBre1μPaperV
• Receivingsensitivity,open
circuit:-196,5dBre1VperμPa
• Electro-acoustic
efciency:Betterthan0.4
• Max.pulsepowerinput:200W
• Max.continuousinput:2W
• Max.transducerdepth:20m
• Cablelength:20m
• Cablediameter:10.6mm
• Weight:4,2kg
• Storagetemperature:-20°to55°C
Introduction
TheSimradES333-7Cisasplit-
beamcompositetransducerwitha
largebandwidth.Thisprovidesane
rangeresolution,whichisimportant
forsingleshdetectionandtarget
strengthmeasurement.Thetransducer
hasfourquadrants.
Order number
322598
Beam pattern
TECHNOLOGY FOR SUSTAINABLE FISHERIES
www.simrad.com
-30
0
30
(CD017027-001)
-10
-30
-20

329781 / Rev.A / March 2009
Simrad ES333-7C
Installation principle
A Steelblister,mustbemanufactured
bytheshipyard
B Mountingring
C Clampingring
D Guidetoindicate“Forward”
E Airoutlet
F Forward
G Transducercable
Formoreinformationregarding
installation,refertotheSimrad
ES333-7C Installation manual.
Outline dimensions
Alldimensionsinmm
EE
A
C
G
D
F
B
(CD017010B)
Kongsberg Maritime AS
Strandpromenaden 50
P. O.Box111
N-3191 Horten,Norway
Simrad
Telephone: [phone]
Telefax: [phone]
[e-mail]
www.simrad.com