Kistler Instruments Ltd. - PRODUCT NEWS






Kistler high speed torque sensor for electric motor & generator testing

As rotational speeds increase, electric motor and generator manufacturers need a reliable and versatile method of measuring torque accurately for both product development and quality control in production and assembly applications.


To meet this need, Kistler designed the Type 4503A torque sensor to provide a flexible instrument for use at rotational speeds of up to 50,000 rpm with a choice of fourteen measuring ranges from 0.2 to 5,000 Nm.

Additional benefits are two, switchable ranges, with the second range being either 1:10 or 1:5 of the rated torque, integral digital signal conditioning providing both analogue and digital outputs, contactless signal and power transmission and a speed sensor output of up to 360 pulses per revolution.

The option of two, switchable ranges allows precise measurement of both peak and operating torque with the same sensor. In applications with a high peak but moderate operating torque, a sensor with only one measuring range would have to be selected to withstand the peak torque which would compromise measurement accuracy at the lower operating torque.

The contactless power and signal transmission between the rotating shaft and the stator, combined with precision manufacturing, and high grade shaft balancing, essential for reliable, high speed operation, ensure that the sensors maintain calibration over a long life in both laboratory and production environments. Typical applications include testing of electric motors, generators and drive performance and measurement of transmission or spindle drive friction at manual workstations or networked, automated production cells.



Kistler Group
Established in Winterthur (Switzerland) in 1957, the Kistler Group now has a worldwide presence with 25 group companies and 30 distributors ensuring prompt, local application support and short delivery times. With a staff of more than 1050, the Kistler Group is one of the world's leading providers of dynamic measuring instrumentation with a turnover of 210 million Swiss Francs (GBP 145M) in the 2010 financial year.
Kistler's core competence is the development, production and use of sensors for measuring pressure, force and acceleration. Kistler's know-how and electronic systems can be used to prepare measuring signals for use in analysing physical processes, controlling and optimising industrial processes, improving product quality in manufacturing and improving performance in sports and rehabilitation.
Kistler offers a comprehensive range of sensors and systems for engine development, automotive engineering, plastics and metal processing, installation technology and biomechanics.
Heavy investment in research and development, 15% of staff worldwide are engaged in research and development, has generated a number of innovations using piezoelectric, piezoresistive and capacitive techniques to provide solutions to numerous force, pressure and acceleration measuring problems. These innovations include the world's first commercial quartz sensor, two-wire constant current technology to integrate sensors with microelectronic circuitry, high-temperature pressure sensors for use up to 400 Deg C and three-component force measuring sensors.

For more information, please contact :-

Kistler Instruments Ltd.
13 Murrell Green Business Park, London Road, Hook RG27 9GR
Tel: +44 (0)1256 741550
Fax: +44 (0)1256 741551
Email:
sales.uk@Kistler.com
Website: http://www.kistler.com

July 2013

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