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May 2007
Schaevitz®
LVDTs Provide Rugged Position Sensing for CERN Super Collider
Ultra-precision LVDT
Measurement for Extremely Challenging Conditions
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Large Hadron Collider tunnel underground in Geneva, Switzerland, shown
here with open interconnection between 2 magnets. Photo courtesy
of Cern. For more details on the Super Collider, visit the Cern
website at www.cern.ch.
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When Scientists at the CERN Large Hadron Collider (LHC) in Geneva, Switzerland needed a rugged position sensor to provide operational feedback to the world’s largest particle accelerator, they turned to Schaevitz® LVDTs by Measurement Specialties. To better constrain the beam path, sets of precision small aperture collimators were installed, with aperture openings requiring accuracy of one-tenth the beam size (200μm). Demanding specifications required an LVDT with high accuracy and an extremely rugged design: near-perfect repeatability, essentially infinite resolution, radiation resistance, corrosion-proof, ratiometric design, short body length, integral temperature sensor and cable lengths of up to 750 meters. Custom Schaevitz®
LVDTs by Measurement Specialties were designed and delivered for this demanding specification in eight weeks.
Read full white paper
MEAS Receives New ISO 13485 Certification
Measurement Specialties received ISO13485 certification for several lines of medical products in April, 2007. The certification covers sensors and sensor-based systems from both the vibration and pressure product lines manufactured in our plant in Shenzhen, China.
The most recent ISO 13485 standard, published in 2003, represents the requirements for a comprehensive quality management system for the design and manufacture of medical devices. Even though ISO 13485 has some commonalities with ISO 9001, it covers manufacturing and quality disciplines unique to suppliers in the medical industry.
Measurement Specialties makes sensors for many kinds of medical devices, including disposable blood pressure sensors, intra-uterine sensors, activity/vibration monitors, NTC thermistor and IR thermopile temperature sensors, humidity sensors for respiratory equipment, low cost load cells for force measurements, and magnetic encoders for motor control. For more details on our ISO 13485 certification, or to find out more about medical sensors, contact Bala Kashi, Medical Products specialist, at
bala.kashi@meas-spec.com.
Click
here
for
our white paper on "Choosing Sensors for Medical Devices".
MEAS to Exhibit at Sensor+Test, N ürnberg, Booth 9-260
Measurement Specialties will exhibit a broad range of sensor
technologies at the 2007 Sensor+Test Expo in Nürnberg, Germany May 22-24
in Hall 9, Booth 260. On display will be sensors that measure pressure,
force, position, vibration, temperature, humidity and more.
Measurement Specialties’
presence has grown substantially in Europe over the past three years.
Prior to 2004, the company was best known in Europe for their popular Schaevitz®
brand LVDTs and pressure transmitters for heavy industrial use. Since
then, the company has made six European acquisitions, most notably HL-Planartechnik
(HLP) in Dortmund, Germany; Entran and Humirel in France; and Betatherm
in Ireland. Now the company has more employees and engineers in Europe
than in the US.
Many new products will be
introduced at Sensor+Test, including:
CEO Frank
Guidone, global product executives and application engineers will be
available to meet and discuss the use of sensors for your specific
applications. To schedule a meeting, email the Editor (editor@meas-spec.com) with your proposed
day and time, and include a brief overview of your application inquiry.
FX1901: Super Low Cost OEM Load Cell
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The FX1901 will allow direct force measurement to be used in many
previously cost prohibitive applications.
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The new FX1901 load cell from Measurement Specialties will allow design engineers to use direct force measurement in many OEM applications where the technology had previously been too expensive. Using highly stable Microfused™ technology, these load cells are manufactured at a fraction of traditional cost, allowing pricing as low as US $5 each for very high volume orders.
The new sensors are made by fusing silicon strain gages to the load-measuring member at very high temperatures utilizing inorganic glass as the bonding material. This Microfused™ glass bonding process eliminates the instabilities associated with conventional epoxy bonded strain gages, creating a more durable and stable sensor. Long term drift totals only 1% over the first 12 months and another 1% over the life of the sensor. This stability enables their use in long-lasting consumer products without the need for recalibration.
The
FX1901 is ideal for high volume medical, consumer and automotive
applications.
[read more]
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