Skip to main content

Simrad ES18

Simrad ES18 is a 18 kHz split beam echo sounder transducer


The Simrad ES18 is a split-beam transducer incorporating 44 tonpilz elements distributed over four quadrants. It is ideal for use with ocean depth measurements to a maximum water depth of 7000 m.

Typical applications

  • Fish finding echo sounders
  • Scientific echo sounders

Key technical specifications

Note that the specifications can be altered without prior warning. For a full set of specifications, see the data sheet.

  • Frequency: 18 kHz
  • Circular beamwidth: 11 ±2°
  • Maximum input pulse power: 2000 W
  • Maximum continuous input power: 100 W
  • Maximum transducer depth: 50 m
  • Cable length: 20 m
  • Weight with cable: 85 kg
  • Physical dimensions:
    • Diameter: 625 mm
    • Height: 175 mm

Order numbers

  • Complete transducer: KSV-088694
  • Mounting ring: 499-088814 (*)
  • Arctic tank assembly: 499-109506 (*)
  • Steel tank: 599-110090 (*)

(*) These items must be ordered separately.

Installation drawings

The following drawings can be downloaded.

  1. [107783] Transducer outline dimensions
  2. [110090] Steel tank, production
  3. [109506] Arctic tank, production
  4. [088814] Mounting ring
  5. [088815] Mounting arrangement
  6. [088759] Mounting procedure
  7. [089548] Connection diagram
  8. [082733] Generic steel blister
  9. [088813] Generic blister for ceramic transducers

How to access the DWG files

Whenever available, each drawing is provided on both PDF and DWGformats. When applicable, the DWG version of the drawing is included in the PDF file as an attachment.

  1. Open the PDF file in the normal manner.
  2. Observe the "Attachment" icon in the lower left corner.
  3. Click the icon to open the list of attachments.
  4. Click on the DWG file provided, and select required action on the menu above the list.

  1. Attachement icon
  2. Menu: Open or save the attachment file

Services and support

  • 24/7 Technical support

    Our 24/7 technical support team is there to help at any time, day or night, wherever your vessel is.

    Contact us:

  • Spares

    We understand the importance of having the right parts, available in the right place, at the right time.

  • Training

    Ensure that your crew is properly and thoroughly trained. This will reduce operational risk, downtime and maximise return on asset investment.