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M425 Rotary Torque Sensor and Rotational Torque Transducer

M425 rotary torque sensor with keyway shafts offers high accuracy of 0.1% and torque measurement range from 0-10Nm up to 60,000Nm as standard. It's an inline rotation torque transducer, widely used for motor, gearbox and pump torque testing.

M425 Non-Contact Rotary Torque Sensor

Using a highly-accurate non-contact technique, the Datum M425 Rotary Torque Transducer and Torque Meter represent an ultimate torque sensor for anyone looking to measure torque, power, and speed with high accuracy and repeatability.

The M425 rotating torque sensors give the customer control over their tests with torque sample rates selectable at any time from 1sps up to 4,000sps as standard.

M425 Rotary Torque Transducer Range

The M425 Torque Sensors have 14 standard torque ranges, covering from 3 Nm to 60,000 Nm. Having a rotating torque measurement design with an optimum length to maximise overall accuracy and give a high degree of tolerance to mounting offset, the M425 digital torque sensor is ideal for most general test rig applications, like electric motor testing, pump torque testing, gearbox testing (to name just a few).

M425 Torque Sensor Measurement Range
Torque Sensor Size123456
Torque Sensor Range: A 0-10Nm0-250Nm0-1,000Nm0-5,000Nm0-15,000Nm0-30,000Nm
Torque Sensor Range: B0-20Nm0-500Nm0-2,000Nm0-10,000Nm0-20,000Nm0-60,000Nm
Torque Sensor Range: C 0-50Nm
Torque Sensor Range: D 0-100Nm
Max Shaft Speed (rpm)0-10,0000-8,0000-6,0000-3,5000-2,0000-2000

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M425 Torque Sensor Features:

  • Accuracy: 0.1%
  • Non-Linearity: 0.1%
  • Repeatability: 0.05%
  • Sample Rate: 1 to 4000 samples per second
  • Serial Torque Outputs: SCADA uoptuts, including RS485, RS232, Ethernet, Modbus UPD, USB Logging
  • Analogue Torque Outputs: 4-20mA configured 4-20mA (4-12-20mA): +/-10Vdc, +/-5Vdc, 0-10Vdc or 0-5Vdc
  • Operating Range: -10 to +70˚C
  • Environmental Protection: IP54 (see our high-speed RS425 Torque Sensor for IP67/68)
  • Power Supply: 10-24Vdc 250mA

 

 

M425 Dynamic Strain Gauge Torque Transducer for Rotary Torque Measurement

 

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M425 Torque Transducer for Rotating Torque Measurement

The non-contact rotary Torque Sensors from Datum Electronics have been designed to fit with almost any application, where accurate rotary torque and power measurements are required. The M425 Rotary Torque Sensor is mounted in line with the drive train or test bed, using standard keyway shaft connections.

A non-contact torque sensor features a non-contact transmission system, that provides data directly proportional to torque. It means that the torque sensor is supplied as a complete torque transducer with bearings to support the stator unit on the rotating shaft, making it an ideal choice for most general test rig applications.

The M425 Non-contact rotary torque sensor utilises a strain gauged shaft and a set of rotating on shaft conditioning electronics. The digital signals are then transmitted from the shaft to the non-rotating part of the system or stator, providing a reliable and highly accurate torque measurement solution. Considering that the analogue signal conditioning is completed within 25mm of the strain gauges, the M425 Dynamic Torque Sensors are very stable, when subjected to temperature variations and electrical noise.
Furthermore, the M425 rotary torque transducer has an optimal torque measuring element design, to maximise overall accuracy and give a high degree of tolerance to mounting offset.

M425 Torque Sensor for Rotating Shaft Torque Measurment Applications

The Ultimate Torque Sensing Solution

When connected to the Datum Universal Interface (DUI), the M425 Torque Sensor offers customers a digital display of torque, speed, and power, as well as a complete range of both digital and analogue outputs.  The digital outputs consist of Ethernet, RS485, and USB, as well as local logging of test data to a USB memory stick for future analysis.
The DUI has 4 programmable analogue channels, that can be chosen from 0-20mA, 4-20mA, +/-10Vdc, +/-5Vdc, 0-10Vdc, 0-5Vdc for the output of torque, rpm and shaft power, etc.  Using the DUI, an M425 rotating torque sensor becomes the simplest choice for anyone, looking to use a precise torque, speed, and power measurement system.

Datum Universal Torque Sensor Interface with LED Display For Torque Logging

M425 Series Torque Sensor Range

Don’t have a lot of space to fit a torque transducer in line? See also our bearingless RS425 Torque Sensors and flange to flange FF425 Torque sensors.

Series 425 Digital Non-Contact Reaction & Rotary Torque Sensors

Alternatively, get in touch with our team to discuss your requirements and find the most cost-effective solution for your application.

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for quotations for Torque Sensors, Torque Transducers, and Torque Meters.

      M425 Rotary Torque Transducer Datasheet
      M425 Rotary Torque Sensor User Guide

      Torque Sensor Product Dimensions

          ABCDEFGHIJ
      Torque Sensor SizeRated Load
      (Nm)
      Rated Load
      (lb ft)
      Rotational
      Speed (RPM)
      Overall LengthBody LengthBody
      Dia.
      Output Module LengthOutput Module HeightExposed Shaft LengthShaft
      Dia.g6 fit
      Keyway Length
      (BS 4235-1:1972)
      Keyway Length
      (BS 4235-1:1972)
      Keyway Depth off centre
      Size 1 – A 0-100-100-10,000184130661123.5271522.554.3
      Size 1 – B0-200-200-10,000184130661123.5271522.554.3
      Size 1 – C 0-500-500-10,000184130661123.5271522.554.3
      Size 1 – D 0-1000-750-10,000184130661123.5271522.554.3
      Size 2 – A0-2500-2000-8,000240150851123.545.53022.5811
      Size 2 – B0-5000-4000-8,000240150851123.545.53044811
      Size 3 – A0-1,0000-7500-6,0003151501121124.582.550441220
      Size 3 – B0-2,0000-1,5000-6,0003151501121124.582.55078.51220
      Size 4 – A0-5,0000-4,0000-5,0004251501371124.5137.57578.52030
      Size 4 – B0-10,0000-8,0000-5,0004251501371124.5137.57578.52030
      Size 5 – A0-15,0000-12,0000-2,0004161681721123.51241101163244
      Size 5 – B0-20,0000-15,0000-2,0004161681721123.51241101163244
      Size 5 – C0-25,0000-20,0000-2,0004161681721123.51241101163244
      Size 5 – D0-30,0000-25,0000-2,0004161681721123.51241101163244
      Size 6 – A0-40,0000-30,0000-1,500416168228.61123.5124152.4
      Size 6 – B0-60,0000-40,0000-1,500416168228.61123.5124152.4

      *For more information please refer to the M425 Rotary Torque Sensor Datasheet and Handbook in the Technical Documentation section.

      M425 Torque Sensor Size1 STEP Drawing
      M425 Torque Sensor Size2 STEP Drawing
      M425 Torque Sensor Size3 STEP Drawing
      M425 Torque Sensor Size4 STEP Drawing
      M425 Torque Sensor Size3 STEP Drawing
      M425 Torque Sensor Size5 STEP Drawing

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      CONTACT

      • Datum HQ Headquarters
      • Castle Street
      • East Cowes
      • United Kingdom
      • PO32 6EZ
      • +44 (0) 1983 28 28 34
      • web@datum-electronics.co.uk

      DOWNLOADS

      M425 Rotary Torque Transducer Datasheet
      M425 Rotary Torque Sensor User Guide

      BENEFITS

      • Shaft to Shaft Configuration
      • High Accuracy & Repeatable Torque Measurement
      • Industry Standard for Test Rig Applications
      • Full Range of Torque: 10Nm - 60kNm
      • Variety of Digital and Analogue outputs
      • Available on Short Lead Times
      • Configurable Sample Rates
      • Widely Used for Motor Torque Measurement
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