Transducers measure torque in mNm ranges.

Press Release Summary:

Featuring non-contact torque sensing, Series MLY torque transducer offers size compatible means to monitor and control motor and mechanism torques. Available with shaft sizes of 3.17-6.35 mm dia and torque ranges of ±10-±1,000 mNm, they can accommodate rigid and shaft mounted arrangements. Torque may be coupled to transducer shaft through gears, pulleys, linkages, as well as conventional inline couplings.

Original Press Release:

Series MLY Miniature Torque Transducers

Series MLY torque transducers fulfill the need for small size, low inertia, robust, and economical instruments for measuring torques in milliNewton-meter (mNom) ranges. (1 mNom = 0.1416 oz.oin.). This unusual combination of desirable features is enabled by the use of polarized band magnetoelastic torque sensing technology*. MLY transducers offer those involved in the world of small machinery a size compatible means to monitor and control the torques involved in the operation of their motors and mechanisms.

Non contact torque sensing is intrinsic in MLY transducers; nothing except its 4 bearings is attached to the rotating shaft. In operation, a central "active" portion of the shaft, sized for the user specified measurement range, generates a magnetic field proportional to the transmitted torque. This is converted into an electrical signal by a pair of diametrically opposed Hall effect field sensors. Connections to
external power source and signal conditioning, display, or data acquisition circuits, are made through user selected pigtail leads, attached cable or bulkhead connector. All internal electrical/electronic parts are encapsulated.

MLY transducers accommodate both rigid and shaft mounted arrangements. Torque may be coupled to the transducer shaft via gears, pulleys, linkages, etc., as well as through conventional inline couplings. MLY transducers having 3.17 mm (0.125 in.) diameter shafts are available in full scale torque ranges from ±10 to ±250 mNom. Units in the same case size with 4.75 mm (0.187 in.) shafts can handle torque ranges to ±400 mNom. Units in a somewhat larger case with 6.35 mm (0.250 in.) shafts have up to ±1000
mNom torque ranges. Dimensions and specifications are provided in Technical Bulletins available from the company or at:

Custom, user specified, mechanical details and accessories are available. Signal conditioning electronics, both internal and external, are also available.

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