Description
The ETF38A is a 38 kHz Fishery Transducer. The twenty-four piezoceramic elements, sets the standard for excellent performance. The epoxy 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
- C43-shielded twisted pair
- Stainless steel nuts
- Bolts with foam plugs
Accomodates hull thickness:
- Max no fairing 234 mm (9 i/4″)
- Max with fairing157 mm (63/16″)
- Commercial fishing vessels
- Compatible with any hull material
- Frequency – Airmar Piezoceramic Designator 38kHz – E
- Frequency Tolerance (khz) +/- 1,5
- Element Material PZT/L/13×35
- 24 Element Configuration
- Beamwidth at – 3dB 10° x 12°
- Beamwidth at – 6dB 14° x 17°
- Beamwidth at – 10dB 18° x 21°
- Q=5
- Rated RMS Power, 2500 W
- Voltage Responses: TransmdB it/Receive 171/-176
- Figure of Merit (Insertion Loss) dB -6
- Acoustic Window Material Urethane
- Parallel Rp, ohms 60
Transmit radiation pattern:
