BOAT SONAR FISH FINDER

Our company is professional echo sounder BOAT SONAR FISH FINDER manufacture in China. BOAT SONAR FISH FINDER,underwater ultrasonic detection equipment,which can locate Fish and Shrimp by detecting reflected pulse of sound energy as in sonar.

We have been in this line for over 22 years, providing a variety of fish finders of stable quality and competitive price.

Display measurements of reflected sound on a graphical display 

Explore new field for professional fish finder

DSP high technology professional fishing

Sea /River/ Lake ,commercail /sports fishing boat or leisure yacht/barge/vessel

Features:

• Strong Anti-interference
• Dual-Frequency 50kHz/200kHz.
• Built-in GPS/ compass location modules are available
• Swith Screen Horizontal screen Vertical screen
• 1-year limited warranty
• Trackback /Playback function
• Fish depth voltage water temperature Alarm
• Four kind of languages:Chinese English  Korean Vietnamese
• Other appearance languages and functions can be designed for your needs 

12-Inch Professional Fish Finder – Application Guide, Parts List & FAQ

Designed exclusively for professional fishing operations, our 12-inch fish finder delivers clear underwater imaging, accurate fish detection, and reliable performance to boost your catch efficiency. Below is a practical guide to help you make the most of the product.
I. Application Guide
1. Core Applications (Professional Fishing Scenarios)
Commercial fishing: Detect schools of fish (including pelagic, demersal, and bottom-dwelling species) in depths from 1m to 500m.
Bottom trawling & gillnet fishing: Identify bottom contours, underwater structures (reefs, rocks, sandbars) and fish distribution to optimize net deployment.
Longline fishing: Locate target fish layers and adjust line depth for higher catch rates, reducing bait waste.
Fleet operation: Compatible with on-board navigation systems to synchronize fish data with voyage routes, supporting efficient fishing planning.

2. Installation & Operation Tips
- Mount the 12-inch display on the bridge or control panel – ensure a clear view for operators during long fishing shifts; use the included bracket for stable placement.
- Install the transducer on the hull's underwater section, away from propellers and hull protrusions, to avoid signal interference from turbulence.
- Connect to the ship's 24V DC power supply (compatible with most fishing vessel power systems) and ensure waterproof wiring connections.
- For best results: Adjust sensitivity based on water clarity (higher for murky water, lower for clear water)

II. Standard Parts List (Included in Package)
- 12-Inch Professional Fish Finder Display (high-brightness, sunlight-readable)
- Data Cable & Power Cable
- Display Mounting Bracket
- User Manual
- Simple introduction (simplified steps for immediate use)
- Mounting accessories;
Optional(For Custom Needs)
- Transducer (frequency:50&200kHz, power:1500-3000W, suitable for deep-water detection)

III. FAQ (Frequently Asked Questions)
1. What makes this 12-inch fish finder suitable for professional fishing, not just leisure use?
Unlike leisure fish finders, it's built for heavy-duty, all-day use – high-power transducer (1.5-3KW) for deep-water detection (up to 500m), sunlight-readable 12-inch display (visible even in direct offshore sunlight), and durable marine-grade housing resistant to salt spray and vibration. It also supports continuous operation for 24+ hours, matching professional fishing shifts.
2. How accurate is the fish detection and depth measurement?
Depth measurement accuracy is ±1%. The dual-frequency mode (50kHz/200kHz) reduces interference from water currents and sediment, ensuring clear imaging even in murky offshore waters.
3. Can it work in rough sea conditions?
Yes. The transducer is designed to withstand hull vibration and wave impact. The anti-interference algorithm filters out noise from rough seas, keeping fish and bottom contour data stable.
4. Does it support data storage or export?
Yes. It has a built-in memory slot to save fish location, depth. You can export data to a computer for analysis.

5. How to maintain the transducer to avoid performance issues?
Keep the transducer surface clean – regularly remove marine fouling (barnacles, algae) with a soft brush (avoid sharp tools). Check the mounting sealant every 3 months to prevent water ingress; no other complex maintenance is needed.
6. Is it compatible with other on-board fishing equipment?
It supports NMEA 0183 protocol, so it can connect to GPS, fish finders, and navigation displays on your vessel. This allows you to synchronize fish data with your route, making it easier to mark and revisit productive fishing areas.
7. What power supply does it require?
It works with 24V DC power, which is standard for most commercial fishing vessels. Low power consumption (≤15W) ensures it won't overload the ship's power system during long voyages.
8. What if the display shows no signal or unclear imaging?
First, check the transducer mounting (ensure it's fully submerged and not blocked by debris). Then adjust the sensitivity and frequency – lower frequency for deep water, higher for shallow water. If issues persist, contact our technical team for remote troubleshooting.
9. Do you offer OEM/ODM customization for fleet orders?
Yes. As the original manufacturer, we can customize the display interface, add fleet-specific functions (e.g., data sharing between vessels), and provide logo branding for bulk orders. We also offer tailored installation guidance for fleet deployment.

we can provide product on OEM basis.

Superior in quality, Moderate in price

if you are interested, welcome to contact wiht us!

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