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home > Garmin Airmar B117 200/50kHz Bronze Thru-Hull Transducer w/ 6 Pin Connector > Garmin Airmar B117 200/50kHz Bronze Thru-Hull Transducer w/ 6 Pin Connector
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Garmin Airmar B117 200/50kHz Bronze Thru-Hull Transducer w/ 6 Pin ConnectorUpgrade your vessel's sonar capabilities with this robust bronze thru hull transducer, designed for seamless integration into Garmin systems. Mounted directly through the hull, it delivers reliable depth measurements and water temperature readings, helping skippers navigate challenging waters with confidence. Whether you're charting deep offshore passages or scanning shallows for structure, its dual frequency setup adapts to diverse marine
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Upgrade your vessel's sonar capabilities with this robust bronze thru-hull transducer, designed for seamless integration into Garmin systems. Mounted directly through the hull, it delivers reliable depth measurements and water temperature readings, helping skippers navigate challenging waters with confidence. Whether you're charting deep offshore passages or scanning shallows for structure, its dual-frequency setup adapts to diverse marine environments.

Superior Dual-Frequency Performance

This transducer operates at both 50 kHz and 200 kHz, offering versatility for various boating scenarios. The 50 kHz mode provides a wide 45-degree beamwidth, ideal for covering large areas in deeper waters—perfect for spotting schools of fish or underwater contours from afar. Switch to 200 kHz for a focused 12-degree beam, capturing crisp details in shallower zones, like rocky bottoms or baitfish clusters.

  • Bronze housing withstands harsh saltwater exposure without corroding quickly.
  • Built-in temperature sensor for real-time water data, essential for fishing or safety planning.
  • Compatible with hull deadrises from 0 to 8 degrees, ensuring optimal signal transmission on most planing hulls.

Why Boaters Trust Bronze Construction

Bronze isn't just tough—it's engineered for longevity in marine settings. Unlike plastic alternatives that can degrade under UV or constant submersion, this material resists biofouling and maintains acoustic integrity over seasons of heavy use. Anglers report consistent performance even after years in brackish bays, while cruisers appreciate the low-drag profile that minimizes turbulence at speed.

Imagine threading through a foggy inlet: the wide beam picks up distant hazards at 50 kHz, then zooms in for precision at 200 kHz. It's this adaptability that sets it apart, turning raw data into actionable insights on your display.

Effortless Setup for Peak Results

With its straightforward 6-pin connector, pairing with Garmin displays is plug-and-play for many setups. Position it forward of props and keels for clean returns, and match your hull's deadrise angle during install to avoid air bubbles disrupting the signal. Pro tip: Fair in the transducer with marine sealant for a watertight bond that flexes with hull movement.

Specification Details
Frequency 50 kHz / 200 kHz
Beamwidth 45° @ 50 kHz / 12° @ 200 kHz
Max Depth Capability Deep water scanning at lower freq, detailed shallow imaging
Hull Deadrise 0° to 8°
Connector 6-pin
Sensors Depth + Temperature

Real-World Applications

Offshore trollers use the 50 kHz sweep to locate pelagic species over vast expanses. Inshore kayak fishers leverage 200 kHz for pinpointing drop-offs teeming with flounder. Sailors rely on temperature trends to dodge thermoclines, while powerboaters get peace of mind avoiding shallows. Its balanced design shines across fiberglass, wood, or even aluminum hulls, provided the deadrise fits.

Frequently Asked Questions

What makes a thru-hull transducer better than transom-mounted ones?

Thru-hull models sit flush with the hull bottom, reducing air entrainment and cavitation noise for clearer sonar returns, especially at higher speeds. They're ideal for boats prioritizing performance over easy access.

How do the 50 kHz and 200 kHz frequencies differ in use?

50 kHz offers broader coverage for deeper water (up to thousands of feet) and spotting large targets. 200 kHz provides higher resolution for shallow areas (under 500 feet), revealing finer details like individual fish or bottom structure.

Is the bronze material suitable for freshwater boating?

Yes, bronze excels in saltwater due to corrosion resistance but works fine in freshwater too. It may develop a patina over time, which doesn't affect performance.

What does hull deadrise mean for installation?

Deadrise is the hull's angle from horizontal. This transducer fits 0-8 degrees, meaning it's angled to match for perpendicular water contact, optimizing signal strength without distortion.

Does it include a temperature sensor, and how accurate is it?

Yes, it has an integrated thermistor for precise surface water temperature readings, accurate within a degree or two, helping with fish behavior predictions or engine cooling checks.

Can I switch frequencies manually on my display?

Most compatible Garmin units allow frequency selection via menu, letting you toggle based on depth or conditions for the best view.

How do I maintain the transducer for long-term reliability?

Wipe the face clean during haul-outs, avoid high-pressure washes on the bronze, and inspect cables yearly. Antifouling paint compatible with transducers keeps growth at bay.

Airmar B117 200/50kHz Bronze Thru-Hull Transducer - 6 Pin
010-10182-01

Connect our bronze, thru-hull mount transducer to your compatible device to receive depth and temperature data. This transducer has an operating frequency of 200 and 50 kHz; a beamwidth of 12 degrees at 200 kHz, 45 degrees at 50 kHz; and a 0 to 8 degree deadrise.

Connect our bronze through-hull mounted sensors to compatible equipment to receive depth and temperature data. The operating frequency of this sensor is 200 and 50 k Hz a...
SKU: NVN-33370
MPN: 010-10182-01
UPC: 753759074326

Garmin Airmar B117 200/50kHz Bronze Thru-Hull Transducer w/ 6 Pin Connector

Item no : 23938206338
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