Kistler Instruments Ltd. - PRODUCT NEWS

New generation melt pressure measuring chain is precise and reliable.

When moulding components to very tight dimensional tolerances the precise measurement and recording of melt pressure is essential to ensure minimum out of spec product. The new melt pressure measuring chain from Kistler ( brings new precision and repeatability to measuring this important process parameter directly in front of the screw. The new measuring chain is made up of a factory calibrated sensor, matched amplifier and cable designed specifically to measure and record the melt pressure in injection moulding machines and hot runner systems and is also suitable for measuring static pressure in polymer pumps.

The new sensor allows the melt pressure and temperature signals to be integrated into the moulding machine's control system providing a practical, cost effective means of enhancing production efficiency.

The very stable, high temperature resistant, piezoresistive measuring element is protected by a robust diaphragm allowing the sensor to be mounted directly in the flow of the material to eliminate the time lag inherent in indirect measuring systems. A temperature signal derived from the piezorestive element is used by the amplifier to compensate for temperature variations providing an exceptional level of accuracy of the melt pressure in real time.

The new sensor displays exceptional precision with repeatability errors of <0.1%, linearity errors of <0.5% and zero point change of <0.5%. Supplied as a complete measuring chain with a new digital amplifier that also has a melt temperature output, the Type 4021A is available for pressures ranges up to 3,000 bar at a maximum operating temperature of 350o Celsius

The new measuring chain allows the melt pressure and temperature signals to be integrated into the moulding machine's control system providing a practical, cost effective means of enhancing production efficiency.

Kistler Instruments Limited
Established in Wintherthur (Switzerland) in 1957, Kistler is represented in over 50 countries and has subsidiaries in Germany, France, Italy, UK, Japan, USA, China, Korea and Singapore. With a staff of more than 800, the Kistler Group is one of the world's leading providers of dynamic measuring instrumentation. The Kistler Group achieved turnover of 160 million Swiss Francs in the 2005 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 analyzing physical processes, controlling and optimizing 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

January 2010

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