Providing Torque Sensor Solutions for Any Industrial Application

With 30 years of torque, power measurement and expertise in equipment manufacturing expertise Datum Electronics provides both industry standard and off the shelf solutions. Tailor-made systems and products can be manufactured to customer’s specifications, including OEM transducers and solutions, in both medium to high volume.

Using the very latest cutting-edge technology, we design and manufacture a range of rotary and static torque sensors, which are ideal for a wide range of industrial applications, when looking to measure torque and power (with options for Thrust & Bending etc. if required). The innovative 425 Series represents the entire spectrum of mechanical coupling configurations, including shaft to shaft, flange, keyway, existing converted shaft components, OEM and other bespoke solutions.


  • High Accuracy, Quality Products Available Off-the-Shelf
  • Leading-Edge Technology
  • Simple Installation
  • Torque Ranges Up to 14MNm
  • Short Lead Times
  • Competitive Pricing
  • Worldwide Distribution Network


M425 Rotary Torque Sensor

The industry standard, Datum Electronics Series M425 non-contact Torque Sensor range has been designed to fit with most general applications and solutions which require rotary torque and power measurement.

Covering an extensive measurement range, with high accuracy and precision, the M425 torque sensor is an ideal solution for measuring torque on a rotating system, such as an engine test rig, a drive line, transmission or pump, in real time.

We understand that customers may want to configure their own transducer and so we include, as standard, configuration software, which will also display and log data for you. You can be up and running in minutes!


  • Industry Standard For Rig Applications
  • Variety of Sample Rate Options available
  • High Accuracy & Repeatability
  • Extensive Range of Torque: 10Nm – 60kNm
  • Variety of Digital and Analogue Output Options, including Display
  • Available on Short Lead Times



FF425 Flange to Flange Torque Sensor

Do you need to mechanically attach your transducer in-line using flanges? No problem, our Series FF425 Series will do the job! FF425 Torque Transducers with flange couplings have been designed to fit easily into most drive trains, reducing the cost of installation.


  • Flange to Flange Configuration
  • Ideal Design for Simple Integration to Drive Systems
  • Configurable Sample Rates
  • Rotary Speeds up to 20,000 rpm
  • Standard Torque Range up to 30kNm
  • Bespoke Range to 14MNm and larger




We have built FF425 transducers up to 14MNm, including the world’s largest torque and shaft power transducer, weighing over 5 tonnes.


RS425 Torque Sensor (With Completely Separate Rotor and Stator)

Not enough room to fit a transducer in-line? Do you have shaft alignment concerns? Do you expect higher rpms? Our Series RS425 Series Completely Contactless Torque Sensors have been designed to fit directly into most drive shafts/trains, reducing the cost of installation.

Combining the latest electronics and technology with high torsional stiffness, RS425 Torque Sensors provide a reliable and highly accurate torque measurement solution for many practical applications, such as transmissions, powertrains, wind generators, gas turbines, and many more.

  • Completely Bearing-less Design
  • Configurable Sample Rates

Can Be Built to Customer Specs and OEM versions

  • Higher RPMs Available
  • Standard Torque Range from 100 to 30kNm
  • Bespoke Torque Range to 14MNm





Covering an extensive torque range as standard, from 0-10Nm to 60kNm, the 425 Series transducers are easy-to-install and can operate in challenging environments, as well as providing you with data accuracy of better than 0.1% error and in high resolution (up to 24 bit). We supply transducers that can measure from 3Nm, up to 14MNm, which we recently supplied to a very satisfied customer.

Complete Torque Sensor Measurement Solution

All torque transducers are supplied with free, simple to use, utility and display software and comes complete with a certificate of calibration, valid for 12 months. In addition, the 425 Series Torque Sensors are compatible with our Datum Universal interface, including built-in display, providing real-time data, with additional analogue and serial data, USB, and Ethernet outputs are also available.

Designed and built with reliability and repeatability in mind, the Datum 425 Series Torque sensors range is the 1st choice for validating product performance and optimising efficiency.

Datum Electronics Ltd. specialises in the design and manufacture of torque & shaft power transducers and measurement systems.  We also offer services such as installation and service of our products and solutions worldwide.

Contact Team

For more information about Datum Electronics and our products, give us a call on  +44 (0) 1983 282834 or email us at

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