Lowrance
Lowrance B175M (20°) - Bronze 1kW Medium-CHIRP Through Hull Depth/Temperature Transducer.
Pickup available at Mercury Yacht Harbour
Usually ready in 2-4 days
Manufacturer-backed extended cover provided by Navico — add up to 3 extra years.
Extended cover is added to your order and confirmed with your warranty documentation.
Description
The Airmar B175M is a 1 kW Medium CHIRP through-hull transducer that sweeps the 85 to 135 kHz band to balance coverage beneath the boat with extended depth range and clean target separation in mid to deep water. A single broadband Tilted Element ceramic produces sharp, detailed returns from shallow water down to around 457 m.
This is the 20-degree version: the element is fixed at a 20-degree angle so that, with the low-profile bronze housing fitted almost flush, the beam is aimed straight down on hulls with 16 to 24 degrees of deadrise. It suits stepped, planing and displacement hulls, with depth and water-temperature sensing built in and a blue 7-pin Navico connector for compatible Lowrance, Simrad and B&G displays.
PRODUCT DETAILS
- 1 kW Medium CHIRP performance across 85 to 135 kHz
- Single broadband Tilted Element ceramic for clear shallow to mid-depth detail
- 20° tilted element corrects for hull deadrise from 16° to 24°
- Depth performance to 457 m (1,500 ft)
- Beamwidth 24° to 16° across the band
- Low-profile bronze through-hull housing with depth and water-temperature sensing
- Airmar B175M bronze through-hull transducer (20° tilt, blue 7-pin connector)
- Hull nut, spacer, washers and set screws
- Owner's guide and installation instructions
No exploded diagram available for this product.
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Sonar
| Sonar Type | Medium CHIRP (Chirp-ready, Tilted Element) |
| Operating Frequency | 85 to 135 kHz (50 kHz bandwidth) |
| RMS Power | 1 kW |
| Beamwidth (-3 dB) | 24° to 16° across the band |
| Maximum Depth | 457 m (1,500 ft) |
| Elements | Single broadband ceramic element (Tilted Element) |
| Functions | Depth and fast-response water temperature |
Physical
| Tilt Angle | 20° (for hull deadrise 16° to 24°) |
| Housing Material | Bronze (thru-hull, low-profile) |
| Hull Type | Stepped, planing or displacement hull (fibreglass or wood) |
| Cable Length | 10 m (33 ft) |
Connectivity
| Connector | Blue 7-pin (Navico) |
No videos available for this product.
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