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Torque Transducers

Norbar's range of torque transducers include the Flange Mounted Transducers, Smart Torque Blocks, Static torque transducers and Annular transducers for use with Norbar torque multipliers.

All are 'SMART' which means they have a built in memory circuit containing essential information about the transducer, that Norbar's instruments will immediately recognise.

Flange Mounted Transducers

Flange Mounted Transducers

Flange Mounted Transducers incorporate mounting points for securely fixing the transducer to the working surface. The transducer lead is also included and is fitted with a high quality Lemo® connector, suitable for attachment to TST and TTT instruments.

  • Classified to BS7882:2008, typically better than Class 1 for the primary classification range (+/-0.5% of reading from 20% to 100% of full scale).
  • 'SMART' - TST, TTT, TTL-HE & T-Box instruments will automatically recognise calibration details.
  • Rundown Fixture is included on transducers up to 150 N·m (100 lbf·ft) allowing joint simulation for power tool testing.
  • Supplied with UKAS accredited calibration certificate.
  • Transducers are supplied with precision made square drive adaptors.
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'SMART' Static Transducers

'SMART' Static Transducers

The accuracy and quality of the Norbar Static Torque Transducers has made them the first choice of many calibration laboratories throughout the world.

  • Up to 5000 N·m (5000 lbf·ft) classified to BS7882:2008, typically better than Class 1 for the primary classification range (+/-0.5% of reading from 20% to 100% of full scale).
  • Robust, heat treated, alloy steel torsion shaft design.
  • Designed to ignore non torsional forces.
  • Operates in clockwise and anti-clockwise directions.
  • Calibration up to 100,000 N·m with a UKAS accredited Certificate.
  • Calibrated in clockwise direction as standard. Anti-clockwise provided on request.
  • 'SMART' transducers have a built in memory circuit which contains essential information about the transducer. This information can be read by Norbar's TST, TTT, TTL-HE & T-Box instruments meaning that when the transducer is connected, it is immediately recognised and ready for use.
  • 'SMART' transducers can also be used with many other instruments. However, these will operate as normal ratio calibrated (mV/V) transducers - the 'SMART' data will not be read.
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Rotary Transducers

Rotary Transducers

Rotary transducers are designed to measure the torque from continuously rotating shafts such as Impulse Power Tools and certain non-impulse tools with a severe clutch action.

This new range offers an additional model of 5 N·m capacity and class leading performance with impulse tools and will be supplied with a UKAS accredited calibration certificate from Norbar's laboratory.

These trandsucers are known as 'SMART' transducers. They have built-in intelligence in the form of a memory circuit which contains essential information about the transducer which can be read by the appropriate type of instrument (TST,  TTT, TTL-HE & T-Box), thus reducing set-up time.

They will also work with instruments that cannot read the memory information, by inputting the relevant calibration details manually.

Not for use with Impact Tools.

Angle measurement also available.

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Annular Transducers for HT/ET/PTM-92 & 119

Annular Transducers for HT/ET/PTM-92 & 119

These Annular Transducers are designed to fit directly to the Norbar 92 and 119 diameter torque multipliers and will accurately measure the torque output from the gearbox, via a display instrument.

  • Up to 5000 N·m (5000 lbf·ft) classified to BS7882:2008, typically better than Class 1 for the primary classification range (+/-0.5% of reading from 20% to 100% of full scale).
  • Robust heat treated alloy steel torsion tube design.
  • Designed to ignore non torsional forces.
  • 'SMART' transducers have a built in memory circuit which contains essential information about the transducer. This information can be read by Norbar's TST, TTT, TTL-HE & T-Box instruments meaning that when the transducer is connected, it is immediately recognised and ready for use.
  • 'SMART' transducers can also be used with many other instruments. However, these will operate as normal ratio calibrated (mV/V) transducers - the 'SMART' data will not be read.
Read more

Annular Transducers for 72mm Multipliers

Annular Transducers for 72mm Multipliers

These Annular Transducers are designed to fit directly to the Norbar 72mm diameter series torque multipliers and will accurately measure the torque output from the gearbox, via a display instrument (not suitable for PTM-72).

  • Up to 5000 N·m (5000 lbf·ft) classified to BS7882:2008, typically better than Class 1 for the primary classification range (+/-0.5% of reading from 20% to 100% of full scale).
  • Robust heat treated alloy steel torsion tube design.
  • Designed to ignore non torsional forces.
  • 'SMART' transducers have a built in memory circuit which contains essential information about the transducer. This information can be read by Norbar's TST, TTT, TTL-HE & T-Box instruments meaning that when the transducer is connected, it is immediately recognised and ready for use.
  • 'SMART' transducers can also be used with many other instruments. However, these will operate as normal ratio calibrated (mV/V) transducers - the 'SMART' data will not be read.
Read more

Annular Transducers for Small Diameter Series Multipliers

Annular Transducers for Small Diameter Series Multipliers

These Annular Transducers are designed to fit directly to Norbar gearboxes in the 'Small Diameter' Series (HandTorque and PneuTorque) and will accurately measure the torque output from the gearbox, via a display instrument.

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Annular Transducers for Standard Series Multipliers

Annular Transducers for Standard Series Multipliers

The Annular Transducers are designed to fit directly to Norbar gearboxes in the '72mm Series', 'Standard' and 'Small Diameter Series' ranges (PneuTorque and HandTorque) and will accurately measure the torque output from the gearbox, via a display instrument.

  • Up to 5000 N·m (5000 lbf·ft) classified to BS7882:2008, typically better than Class 1 for the primary classification range (+/-0.5% of reading from 20% to 100% of full scale).
  • Robust heat treated alloy steel torsion tube design.
  • Designed to ignore non torsional forces.
  • 'SMART' transducers have a built in memory circuit which contains essential information about the transducer. This information can be read by Norbar's TST, TTT, TTL-HE & T-Box instruments meaning that when the transducer is connected, it is immediately recognised and ready for use.
  • 'SMART' transducers can also be used with many other instruments. However, these will operate as normal ratio calibrated (mV/V) transducers - the 'SMART' data will not be read.

 

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Smart Torque Block (STB)(Obsolete)

Smart Torque Block (STB)
  • Classified to BS7882:2008, typically better than Class 1 for the primary classification range (+/-0/5% of reading from 20% to 100% of full scale).
  • 'SMART' - TST, TTT, TTL-HE & T-Box instruments will automatically recognise calibration details.
  • Supplied with UKAS accredited calibration certificate.

There are two models, STB1000 and STB3000. Transducer Lead is incorporated and is terminated in a Lemo® connector suitable for the TST and TTT.

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Product Selector

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Read about Norbar’s news and developments in the UK and across our international network for the latest updates on the fascinating and fast-moving world of precision torque engineering.

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Download Our Apps

Norbar apps are available free for download on Android and iPhone and are invaluable tools for engineers.

Our Torque Unit Converter provides instant conversion across Metric, SI and Imperial units.

The Torque Extension app calculates the exact torque wrench setting value for required level of torque to be applied.

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FAQ

Precision torque engineering is a wide and complex field which is critical to many sectors of industry and poses many questions to those seeking information about its features and practical applications.

Here are some of the key queries we regularly encounter.

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Use Our Calculators

Norbar has devised easy-to-use online calculators that support the correct application of torque in three key areas:

  1. Unit conversion to assist international measurement definitions.
  2. Torque extension for setting correct values
  3. Torque tension to identify precise levels of torque to be applied for individual applications.
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Norbar Torque Tools Inc. 36400 Biltmore Place, Willoughby, Ohio 44094, USA