Garmin
Garmin Airmar P79 NMEA0183 In Hull Mount Depth Smart Sensor
Pickup available at Mercury Yacht Harbour
Usually ready in 2-4 days
Description
The P79 smart sensor is a plastic in-hull depth transducer with an adjustable deadrise cradle that makes installation easy. Rather than feeding a sounder module, it processes the sonar return internally and outputs depth directly over NMEA 0183, so it can be read by a compatible Garmin NMEA 0183 chartplotter or instrument without a separate black-box sounder.
Operating at 235 kHz with 100 W of power, it reaches depths of 500 ft using a focused 6 degree beam and shoots its signal through the hull. The adjustable mount accommodates deadrise angles from 0 to 22 degrees. It is also known as the Airmar P79.
The P79 is intended for single-skin fibreglass up to 8 mm (5/8 in) thick and is not recommended for cored hulls. Any imperfections in the fibreglass layup can affect performance, so a thru-hull transducer is preferable where one can be fitted.
PRODUCT DETAILS
- In-hull depth smart sensor, outputs depth directly over NMEA 0183
- No sounder module required, connects to a compatible chartplotter
- Operates at 235 kHz and 100 W with a 6 degree beam
- Depth capability of 500 ft, shoots through the hull
- Adjustable cradle suits 0 to 22 degree hull deadrise
- For single-skin fibreglass up to 8 mm thick, not for cored hulls
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General
| Model | Airmar P79 Smart Sensor |
| Mounting type | In-hull (adjustable deadrise) |
| Functions | Depth |
| Interface | NMEA 0183 |
| Hull suitability | Single-skin fibreglass up to 8 mm (5/8 in) thick; not for cored hulls |
Sonar
| Operating frequency | 235 kHz |
| Power | 100 W |
| Beamwidth (-3dB) | 6 degrees |
| Maximum depth | 500 ft |
Physical
| Housing material | Plastic |
| Connector | NMEA 0183 |
| Supported deadrise | 0 to 22 degrees (adjustable) |
Compatibility
| Compatibility | Smart sensor that outputs depth directly via NMEA 0183. Connects to a compatible Garmin NMEA 0183 chartplotter or instrument; no sounder module required. |
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