Kistler Instruments Ltd. - PRODUCT NEWS
SINGLE WIRE TECHNOLOGY SIMPLIFIES CAVITY PRESSURE SENSOR INSTALLATION.
The increasing use of cavity pressure monitoring for quality assurance during the injection moulding of small products in multi-cavity moulds is making the installation of the sensors more difficult.
To meet this challenge, Kistler Instruments (www.kistler.com) has applied its widely used single wire technology to a range of sub-miniature, indirect cavity pressure sensors. These sensors, mounted behind the ejector pin, measure cavity pressure by using the force on the pin and its cross-sectional area. The sensors use the same precision, piezoelectric technology as Kistler's direct measuring pressure sensors and have a virtually unlimited service life at operating temperatures of up to 200oC.
The single wire, on-site replaceable cable can be cut to length after installation and several cables can be passed down a single bore making multi-sensor installation exceptionally simple. These single wire sensors are compatible with the Kistler multi cable system that allows up to eight sensors to be connected to a multi-connector mounted on the mould. A single multi-core cable is then used to connect to the Kistler multi-channel monitoring system equipped with the Unisens® system, which simplifies system configuration by giving the same sensitivity to all the sensors. The single wire technology system is very space efficient in multi-cavity moulds and has resulted in one installation with 112 (one hundred and twelve) pressure sensors mounted in a single, multi-cavity mould.
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.
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