Stern Tube Bearing Sensor – RST/TST-M
Product description
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Application:
The Stern Tube Bearing Sensor RST/TST-MC is a marine-approved sensor designed for real-time monitoring of stern tube bearing temperature in propeller shaft systems. Built with a mineral-insulated (MI) cable for secure installation and long-term reliability in harsh marine environments. The sensor is critical for detecting early signs of lubrication failure, misalignment, or seal degradation, helping prevent costly downtime and unplanned dry-docking.
Modern vessels rely on continuous bearing temperature monitoring to ensure safe and efficient propulsion system operation. The RST/TST-MC integrates seamlessly with ship automation systems (PLCs), enabling real-time temperature logging and automated safety triggers when abnormal conditions are detected. It supports standard 4-20 mA output for direct PLC communication, and HART protocol for remote diagnostics and predictive maintenance, allowing operators to track performance trends, identify potential failures, and optimize maintenance schedules.
Common use cases include:
✓ Marine propulsion systems – Monitors stern tube bearing temperature for early failure detection and lubrication condition monitoring.
✓ Propeller shaft monitoring – Ensures optimal lubrication and alignment to prevent bearing damage and unplanned dry-docking.
✓ Ship engine rooms & automation systems – Supports real-time PLC integration for continuous trend monitoring, automated alerts, and predictive maintenance.
✓ Custom configurations – Available with various MI cable lengths, adjustable couplings, and transmitter options to fit specific vessel requirements.
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Properties:
✓ Marine-Approved & High-Durability – Certified by DNV, LR, NK, RINA, ABS, and BV, ensuring long-term performance in harsh marine environments.
✓ Real-Time Bearing Monitoring – Detects early signs of lubrication failure, misalignment, and seal degradation, preventing costly repairs and dry-docking.
✓ High-Temperature Resistance – Supports temperatures up to 850°C for extreme conditions in stern tube bearing systems.
✓ Automation & Ship Monitoring Integration – Provides 4-20 mA output for PLC communication and HART protocol support for remote diagnostics, trend monitoring, and predictive maintenance.
✓ Rugged Cable Design – Mineral-insulated (MI) cable ensures durability.
✓ Fast Reaction Time – Designed for continuous monitoring and early failure detection in propulsion systems.
✓ Adjustable Process Attachment – Secure mounting with adjustable couplings for stern tube bearing housings.
✓ Custom Configurations Available – Tailored to specific vessel requirements, cable lengths, and transmitter options.