TORQUESENSE - PROPELLER
SHAFT POWER & TORQUE

MEASUREMENT

Shaft Power
ShaPoLi
Propeller Efficiency
Stern Tube Health
Shaft Line Health

TorqueSense is a cutting-edge solution for real-time shaft power measurement, purpose-built for the demanding conditions of the marine industry. Designed with simplicity and accuracy at its core, TorqueSense uses just two non-contact sensors—eliminating the need for slip rings, shaft-mounted electronics, or strain gauges—to deliver highly reliable torque and RPM data. With its retrofit-ready design, zero maintenance requirements, and class-compliant architecture, the system ensures seamless integration across a wide range of vessels, from harbour tugs to offshore supply ships and naval craft.

Unlike traditional shaft power meters that only measure torque and power, TorqueSense unlocks a broader spectrum of operational insights. It captures and analyses torsional vibrations, shock loads, harmonic frequencies, and shaftline mechanical behaviour. This comprehensive visibility into the entire shaftline health enables operators to identify issues like misalignment or unbalanced loads early on, making predictive maintenance a reality. By monitoring stern tube health and other critical components, TorqueSense adds a layer of intelligence that extends asset life and improves operational safety. Shipowners can now take control of propeller efficiency decisions with actionable, real-time data, enabling data-driven choices that lower fuel consumption, reduce emissions, and drive profitability—making TorqueSense a vital tool for modern marine operations.

More than just a measurement tool, TorqueSense is a strategic asset for performance optimization and compliance. It supports EEXI and CII regulatory requirements by offering accurate Shaft Power Limitation (ShaPoLi) insights and seamlessly integrates with fuel mass flow meters and smart engine analytics.

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Why choose Neptunus?

3 Decades of
Service Excellence
Engine & Propulsion
End-to-End Solutions
2500+ Sucessfull Projects
Delivered Worldwide
Trusted by 100+
Satisfied Customers
Dedicated Experts to
Address Emergencies

Benefits of TorqueSense

Options of TorqueSense

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Get on Call with Our Expert for a Detailed Walkthrough Of The Technology

TorqueSense - Power Measured Simply

Just two no-contact sensors. No slip rings. No shaft-mounted electronics. No strain gauges.

Only pure, reliable data – with accuracy and repeatability you can trust.
Our Shaft Power Measurement System proves that the smartest solutions are often the simplest.

Simplicity that works. Performance that lasts.

TORQUESENSE-SIMPLICITY-THAT-WORKS
TORQUESENSE-SIMPLICITY-THAT-WORKS

Where It Fits

Ocean Going Vessels
Harbour Tugs
Offshore Supply Vessels
Naval Craft
Fishing Vessels
Ferries

Traditional Shaft Power Systems stop at Torque and RPM. We go further.

Our system delivers deep diagnostic intelligence across the entire shaft line – capturing torsional vibrations, analysing harmonic frequencies, mechanical behaviour, and energy transfer with accuracy that enables smarter decisions at sea and onshore.

TorqueSense – Propeller Shaft Power & Torque Measurement Installation

Specifications

System Specifications
Shaft Power 300kW to 90,000kW
Shaft RPM 30 to 3000 RPM
Shaft Diameter 130mm to 800mm
Shaft Construction Hollow / Solid
Read Outs / Results Once in Every 3 min
Communication Ports
1 Gigabit Ethernet Port (10/100/1000 Mbps)
1 CAN 2.0B Port up to 1 Mbps
1 RS232 (EIA-232) Serial Port up to 230 kbps
1 RS485 (EIA-485) Serial Port up to 1 Mbps
Hardware Specifications
Operating Temperature -40° to +75° C
RAM 1GB DDR3L
Internal Memory 64GB
Processor 8GB eMMC
Sensor Model E16S40
Sensor Size M16 X 1.5
Sensor Operating Temperature -40° to +125° C

Our TorqueSense is Type-Approved by IRS

FAQs

By monitoring propeller efficiency, regulating power and enabling timely maintenance basis data, fuel consumption can be optimized.
Yes, the system is designed for versatility and can be installed on any propeller irrespective of size.
It does away with strain gauges and slip rings, providing highly accurate data in a simplified manner.
Savings come from reduced fuel costs, lower maintenance expenses, and extended propeller lifespan.
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