JRC JFE-380 Echo Sounder | Marine Depth Sounding System | SM MARINE SERVICE™
JRC JFE-380 ECHO SOUNDER
Manufacturer Information
Manufacturer: Japan Radio Co., Ltd.
Country of Origin: Japan
Equipment Type: Marine Echo Sounder
Application: Depth Measurement & Safe Navigation
Product Introduction
The JRC JFE-380 Echo Sounder is a professional marine depth sounding system designed to provide accurate water depth information beneath a vessel. The system continuously measures the distance between the ship's hull and the seabed, helping navigators maintain safe under-keel clearance during navigation.
The JFE-380 is widely used onboard commercial vessels due to its reliability, easy operation, and accurate depth measurement capabilities.
The system is commonly installed onboard:
- Cargo Ships
- Container Vessels
- Bulk Carriers
- Oil Tankers
- Chemical Tankers
- Offshore Support Vessels
- Passenger Ships
- Fishing Vessels
What Is JRC JFE-380 Echo Sounder?
The JFE-380 is a marine navigation instrument that uses ultrasonic sound pulses to determine water depth beneath a vessel.
The system works by transmitting sound waves through a transducer. These sound waves travel to the seabed and return as echoes. The system then calculates the water depth based on the time required for the signal to return.
The JFE-380 provides:
- Real-Time Depth Measurement
- Under-Keel Clearance Monitoring
- Seabed Tracking
- Shallow Water Alarm Functions
- Navigation Safety Support
- Continuous Depth Recording
The system plays a critical role in preventing grounding accidents and ensuring safe navigation in shallow waters.
Main Features
Accurate Depth Measurement
The JFE-380 continuously provides accurate water depth information under various navigation conditions.
Real-Time Depth Display
The system displays depth information instantly for bridge officers and navigators.
Shallow Water Alarm
Built-in alarms warn operators when vessel depth approaches preset limits.
Reliable Seabed Tracking
The echo sounder accurately tracks seabed conditions and depth variations.
Marine Grade Construction
The system is designed for continuous operation in harsh marine environments.
Easy Integration
The JFE-380 can be integrated with bridge navigation systems and vessel monitoring equipment.
Main Components
1. Display Unit
Provides depth information, alarm indication, and operational controls.
2. Processor Unit
Processes echo signals and calculates accurate depth measurements.
3. Transducer
The transducer sends ultrasonic pulses and receives return echoes from the seabed.
4. Connection Box
Provides system communication and power distribution.
5. Alarm Circuit
Generates warnings when depth values fall below preset limits.
Applications
The JRC JFE-380 is commonly used for:
- Under-Keel Clearance Monitoring
- Harbor Navigation
- Coastal Navigation
- River Navigation
- Offshore Operations
- Port Entry & Departure
- Restricted Water Navigation
The system is especially valuable when operating in shallow waters where accurate depth information is critical.
Importance of Echo Sounders Onboard Ships
An echo sounder is one of the most important navigation instruments onboard because it provides continuous information about water depth beneath the vessel.
Without proper depth monitoring:
- Grounding Risk Increases
- Under-Keel Clearance Cannot Be Verified
- Navigation Safety Is Reduced
- Harbor Operations Become Riskier
- Shallow Water Navigation Becomes Difficult
The JFE-380 helps bridge officers make informed navigation decisions and maintain vessel safety.
Common Problems & Troubleshooting
No Depth Reading
Possible Causes:
- Transducer Failure
- Cable Damage
- Power Supply Problem
- Processor Fault
Solution:
- Check Transducer Connection
- Verify Power Supply
- Inspect Signal Cable
- Check Processor Unit
Incorrect Depth Display
Possible Causes:
- Transducer Fouling
- Signal Interference
- Calibration Error
Solution:
- Clean Transducer Surface
- Verify System Settings
- Check Signal Quality
Weak Echo Signal
Possible Causes:
- Damaged Transducer
- Heavy Sediment Conditions
- Air Bubbles Under Hull
Solution:
- Inspect Transducer
- Verify Installation Condition
- Check Vessel Operating Environment
Alarm Not Working
Possible Causes:
- Alarm Setting Disabled
- Alarm Circuit Failure
- Control Unit Fault
Solution:
- Verify Alarm Settings
- Check Alarm Circuit
- Test Alarm Function
Maintenance Tips
Marine engineers should regularly inspect:
- Transducer Condition
- Cable Connections
- Alarm Operation
- Processor Unit
- Display Functions
- Power Supply Voltage
- Seabed Signal Quality
Proper maintenance improves:
- Navigation Safety
- System Reliability
- Equipment Lifespan
- Depth Measurement Accuracy
Why Ships Still Use JRC Echo Sounders
Many vessels continue using JRC echo sounders because of:
- Proven Reliability
- Accurate Depth Measurement
- Long Service Life
- Easy Maintenance
- Strong Marine Reputation
- Worldwide Service Support
JRC equipment has been trusted in the marine industry for decades and remains a preferred choice for commercial shipping operations.
Frequently Asked Questions (FAQ)
What is the function of the JFE-380?
The JFE-380 measures water depth beneath a vessel and helps prevent grounding accidents.
Can the JFE-380 operate continuously?
Yes. The system is designed for continuous marine operation.
Is the JFE-380 suitable for commercial vessels?
Yes. It is widely installed onboard commercial ships worldwide.
Does the system include alarm functions?
Yes. The JFE-380 supports shallow water alarm functions.
Do you supply refurbished units?
Yes. SM MARINE SERVICE™ can supply new, used, refurbished, and reconditioned units depending on stock availability.
Short Product Description
The JRC JFE-380 Echo Sounder is a professional marine depth measurement system designed for commercial vessels. It provides real-time water depth information, shallow water alarms, seabed tracking, and navigation safety support for safe vessel operation.
SM MARINE SERVICE™
Marine Automation & Navigation Equipment Supplier
Available Condition
• New Equipment
• Used Equipment
• Refurbished Equipment
• Reconditioned Equipment
Stock Location
• Bangladesh
• China
Services
• Worldwide Shipping
• Technical Support
• Spare Parts Supply
• Marine Equipment Sourcing
Contact Information
SM MARINE SERVICE™
Samir Market, DT Road, Pahartali, beside CDA Market, Chattogram, Bangladesh
Mobile / WhatsApp / Viber: +88 01818 929292
Email: info@smmarineservice.com
Website: www.smmarineservice.com
User Manual & Technical Resources