+44 (0)1262 490234    sales@neptune-sonar.co.uk

Echo-sounders » Dual Beam Transducers » Model 122 Series New

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Model 122 Series

Model 122 Series
  • MULTIPLE FREQUENCY OPTIONS
  • NAVIGATION, FISHING & SURVEYING
  • HIGH PERFORMANCE
  • SCIENTIFIC ECHO-SOUNDER
  • HULL OR TOWED BODY
  • ROBUST NYLON HOUSING

The 122 Series are precision echo-sounder transducers, designed for use in hydrographic or scientific applications where accurately defined beam patterns are needed. The pattern is configured to achieve conical beams both for wide and narrow beam widths and are switched using a beam selection switch box.

122 Series transducers are available with or without acoustic calibration, traceable to National Standards. Transducer impedance can be adjusted to suit customers specification.

Accessories are available for this product - click here to see our range.

Technical Specification

Resonant Frequency (Nominal)
  • 200 kHz
Frequency Options
  • 120 kHz, 200 kHz, 210 kHz
Beam Pattern Horizontal
  • (-3db) 6.0 Degrees Conical @ Wide
  • (-3db) 3.1 Degrees Conical @ Narrow
Bandwidth
  • 10 kHz
Transmit Sensitivity
  • 177 dB re 1μPa/V 1m @ Wide
  • 178 dB re 1μPa/V 1m @ Narrow
Receive Sensitivity
  • -188 dB re 1V/μPa @ Wide
  • -188 dB re 1V/μPa @ Narrow
Nominal Impedance
  • 50 Ohms
Transmit Voltage / Duty Cycle (Abs. Max)
  • 300 Vrms at 10% @ Wide
  • 400 Vrms at 10% @ Narrow

Mechanical Specification

Cable Length
  • 10 metres standard
  • (Additional lengths supplied to order)
Weight Air/Water (including 10m cable)
  • 6.1 kg / 1.2 kg
Connector
  • Not fitted as standard
  • (Optional Customer Specific)
Operating Temperature
  • -5 to +40 °C
Supplied With
  • Beam Selection Switch Box (SB1)
Storage Temperature
  • -40 to +80 °C
Cable Type
  • Ø12mm Polyurethane Jacket, Screened 4 Core
Operating Depth
  • 300m

Our Company

Formed in 1990, Neptune Sonar is now the leading company in underwater transducer technology, offering one of the world's largest and most comprehensive range of undersea defence and commercial transducers.

Based in the UK, our research and manufacturing operation is located on a 25-acre site in East Yorkshire. With a 60,000 square metre trials lake and a floating calibration laboratory, the site provides an extensive range of facilities supporting every aspect of acoustic transducer development from modelling and design to final product acceptance.

Neptune Sonar Limited
Kelk Lake
Kelk
East Yorkshire
YO25 8HG

T: 01262 490234
E: sales@neptune-sonar.co.uk
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We design, manufacture and test acoustic sensors and electronics for...

  • Naval Defense
  • Maritime Security
  • Offshore Oil & Gas
  • Hydrographic Survey Industry
  • Oceanographic Science
  • Environmental Sectors
  • Aquaculture