ETF38A 38 kHz Transducer

SKIPPER 10×12° (Art no: ETF38A) 38khz/ 2,5kW External mount housing

The twenty-four piezoceramic element, sets the standard for excellent performance. The expoxy resin housing with integral acousting window achieves a balance of very low ringing, low sidelobes, and very excellent sensitivity.


  • Max power 2,5kW
  • High echo amplitudes achieved with excellent transmitting and receiving voltage response
  • Excellent ring suppression and very low Q provides for remarkable echo definition
  • PZT piezoceramic array provides high acoustic efficiency
  • Good definition in hard bottoms with low sidelobes
  • Streamlined shape reduces drag


  • Housing material: cast urethane
  • Standard cable type: C43-shielded twisted pair
  • Standard cable length: 15 m (50\\’)
  • Weight: 12 kg (13 lb.)
  • Individually packaged
  • Installation kit: stainless steel nuts & bolts with foam plugs
  • Accommodates hull thickness: Max. no fairing 234 mm (9 i/4\\”) ax. with fairing157 mm (63/16\\”)


  • Commercial fishing vessels
  • Compatible with any hull material

Performance data


Frequency – Airmar Piezoceramic Designator 38kHz – E
Frequency Tolerance (khz) +/- 1,5
Element Material PZT/L/13×35
Beamwidth at – 3dB 10° x 12°
Beamwidth at – 6dB 14° x 17°
Beamwidth at – 10dB 18° x 21°
Q 5
Rated RMS Power, W 2500
Voltage Responses: TransmdB it/Receive 171/-176
Figure of Merit (Insertion Loss) dB -6
Acoustic Window Material Urethane
Parallel Rp, ohms 60
Fishery Transducers