LTS:
High-Torque Flange Transducers for Heavy-Duty Applications.

The LTS Series Large Torque Sensor is a high-capacity torque flange transducer designed for accurate measurement in demanding, high-torque environments.

Engineered for direct inline installation, the LTS integrates seamlessly into drivetrains to deliver reliable, real-time torque and power data without compromising system stiffness or performance.

With accurate strain gauge technology and offering torque ranges from 40 kN·m to 500 kN·m, the LTS is ideal for heavy industrial, energy, and test applications where precision, durability, and stability are critical.

Applications:

  • Torque measurement in large rotating industrial equipment
  • Wind turbines and renewable energy systems
  • Oil & gas, drilling, and offshore applications
  • Mining, crushing, and mineral processing machinery
  • Steel mills and heavy manufacturing lines
  • Industrial drivetrain and gearbox testing
  • Power generation and transmission systems
  • Integrates with condition monitoring and predictive maintenance systems

Key Features
Benefits
Specifications
Downloads
Technical Drawings & CAD Files
FAQs

Key Features

At Datum Electronics, we have a long history of designing and manufacturing some of the largest inline torque transducers in the world, capable of accurately measuring torque beyond 50 MN·m.

Designed for critical high‑torque applications, the LTS high torque flange sensor offers torque ranges from 40 kN·m to 500 kN·m with 0.1 accuracy class performance. Derived from our Marine Shaft Power Meter platform, proven in thousands of vessels over several decades, our LTS Series high-torque transducers are engineered for long‑term continuous operation with low maintenance requirements.

  • High-capacity torque flange design for direct inline installation
  • Torque ranges from 40 kNm to 500 kNm
  • Highly accurate (±0.1% FS) strain gauge technology for precise torque and power measurement
  • Non-contact signal transmission for reliable, maintenance-free operation
  • Robust, high-stiffness construction for minimal impact on drivetrain dynamics
  • Configurable with custom flanges, couplings, and shaft interfaces
  • Digital outputs (RS-485, Modbus) with repeater functionality
  • Selectable analogue outputs for torque, speed, and power (0–10V, ±10V, 4–20mA
  • Compatible with industrial control and monitoring systems
  • Designed for continuous operation in harsh environments

For customers with specific requirements—such as higher sample rates for dynamic torque analysis or bespoke integration needs (for example, customer PCDs)—the LTS Series can be tailored accordingly. Please contact our sales team to discuss your application and determine the most appropriate configuration.

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Benefits

  • Measure torque at scale: Accurately monitor extremely high torque levels in large machinery
  • Seamless integration: Flange-based design installs directly into existing drivetrains
  • Improve reliability: Detect overloads, inefficiencies, and mechanical issues early
  • Reduce downtime: Enable predictive maintenance and condition monitoring strategies
  • Trusted in harsh environments: Proven performance in energy, mining, and heavy industry
  • Flexible and configurable: Tailored to specific shaft sizes, interfaces, and applications
  • Long-term performance: Low-maintenance design reduces lifecycle costs
  • Data-driven optimisation: Gain actionable insights to improve efficiency and performance

Stockists

Specifications

LTS Series
Torque Electronics Accuracy±0.1% FSFinal accuracy dependent on coupling design and materials
Torque Range40 k·Nm to 500 kN·mFor higher torques see our Custom Design Service
Shaft Speed Range10-1,000 RPM as standardlower and higher RPM upgrades available
Speed Resolutionfrom 1 RPM as standardhigher resolution upgrade available
Sample Rate10-100 SPS as standardup to 1,000 SPS upgrade available
Environmental Protection: Shaft-Mounted EquipmentIP65
Environmental Protection: Touchscreen Control UnitIP55 as standardhigher IP Rating upgrade avalailable
Digital OutputsRS‑485 or Modbus RTU as standard
Analogue Outputsx3 Channel Selectable and Scalable Torque, RPM, and Shaft Power0–10 V, ±10 V, 4–20 mA, and 12±8mA

Downloads

Case Studies

FAQs

  • The LTS (Large Torque Sensor) is a high-precision torque measurement system designed to accurately measure torques ranging from 40kNm to 500kNm. It’s ideal for industries and applications requiring precise torque measurement, such as heavy machinery, mining vehicles and industrial drilling.

  • The LTS uses strain gauge technology within a rotary shaft design to measure torsional deformation and convert it into an electrical signal representing torque.

  • The LTS (Large Torque Sensor) offers several key features:

      • High accuracy: 0.1% electronics accuracy

      • Flexible digital sample rates: Up to 1,000sps

      • Simple design: Easy integration into various systems

      • Robust construction: IP65 rated for harsh environments

      • Intuitive interface: Touchscreen controller for real-time monitoring of torque, speed, and power

      • Versatile output options: Digital (RS485, Modbus), analog (0-10V, +/-10V, 4-20mA, 12+/-8mA)

      • Customisable design: Tailored solutions for specific drivetrain integrations

  • The LTS is designed to measure torques from 40kNm to 500kNm, with electronics accuracy of 0.1% full scale.

  • The LTS is designed for straightforward integration into rotating drivetrains, with configurable mechanical interfaces and a range of analogue and digital outputs for connection to control and monitoring systems.

  • The LTS supports digital outputs including RS485 and Modbus, alongside analogue outputs such as 0–10V, ±10V, and 4–20mA for integration with PLC, SCADA, and data acquisition systems.

  • Yes. By monitoring torque and power trends over time, the LTS enables the early detection of abnormal behaviour, supporting predictive maintenance strategies and reducing unplanned downtime.

  • Real-time measurement of torque, speed, and power enables operators to optimise machine settings, improve energy efficiency, and maintain consistent process performance.

  • The LTS is designed for operation in harsh environments, with robust construction and IP65 protection to ensure reliable performance in conditions such as mining, heavy industry, and drilling.

  • The LTS is used in high-torque applications including heavy machinery, mining equipment, industrial drilling, and large drivetrain testing where accurate, continuous torque monitoring is critical.

Technical Drawings & CAD Files


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