

The R509 is a high-performance, external, 2-3kW, dual-band CHIRP transducer with fairing. It has 25 internal broadband ceramic elements. The R509 is available in either the Low & Medium bands, Low & High bands, and Low & High bands with wide beam.
| Feature | Specification |
|---|---|
| Low Frequency Band | 28-60 kHz |
| Medium Frequency Band | 80-130 kHz |
| High Frequency Band | 130-210 kHz |
| High Frequency Band - Wide Beam | 150-250 kHz |
| Housing | Urethane external housing |
| Power Rating | 2-3 kW |
| Active Ceramic Elements | 25 |
| Beam Widths | 9-23° in Low band; 8-13° in Medium band; 4-8° in High band; 25° constant in wide beam model |
| Temperature Sensor | Integrated sensor in transducer body |
| Transducer Cable | 10 meters (32.8 feet) with bare wire connection |
| Hull Material | Fiberglass, Wood or Metal |
| Overall Height | 102mm (4.01") |
| Overall Width | 139mm (5.48") |
| Overall Length | 570mm (22.44") |
| Recommended Boat Size | 9 meters (30 feet) and larger |
| Version Name | Characteristics |
|---|---|
| R509C-LM | Low (28-60 kHz) and Medium (80-130 kHz) bands |
| R509C-LH | Low (28-60 kHz) and High (130-210 kHz) bands |
| R509C-LHW | Low (28-60 kHz) and High (150-250 kHz) bands with wide beam |