Kistler Instruments Ltd. - PRODUCT NEWS

   
    
Student saves fifty year old Pressure Sensor.
 
Student Tim Hands spotted a glint of steel in a rubbish
skip, outside the Cambridge University Engineering
Department, that turned out to be an old pressure sensor.

Thinking that it might be useful, he put the sensor into a
drawer.  Years later, working for engine emission control
specialists, Cambustion, an independent company with close
links with Cambridge University Engineering Department, Tim
needed a sensor for a project and remembered the one he
had found in the skip.

The only identification on the sensor was “SLM 425 Swiss”
so Cambustion asked Swiss sensor manufacturer Kistler
Instruments if they could supply a cable to fit.  Kistler recognised
the sensor as one they had sold in 1954 and, whilst they
could supply a suitable cable, the opportunity to acquire an
SLM sensor was too good to miss. Cambustion was happy
to accept the offer of one of Kistler’s latest miniature M5
pressure sensors in exchange for the SLM.

On its return to Switzerland, the fifty years old sensor was put
through its paces in the Kistler calibration laboratory where
it was found to be in good working order.  Isolation was well
within the original specification and re-calibration proved to
be as simple today as it was in 1954.  Although no one would
expect a sensor to be guaranteed for fifty years, this does show
that Kistler sensors should not be consigned to the rubbish
bin too early.

Kistler Instruments is one of the world’s leading manufacturers
of piezoelectric and piezoresistive precision sensors covering
acceleration, force, pressure and torque.  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.
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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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

September 2004
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