Schaevitz® LVDTs Will Launch with James Webb Satellite Telescope by Ball Aerospace  
 

Schaevitz® LVDTs from Measurement Specialties will help position the 18 mirrors on the James Webb Satellite Telescope from Ball Aerospace when it launches in 2013.

Measurement Specialties – Schaevitz® and Ball Aerospace and Technologies Corp. in Boulder, CO have worked together since 2004 to develop a Linear Variable Differential Transformer (LVDT) to measure mirror position on the James Webb Satellite Telescope (JWST) that is due to launch in 2013. The goal of the JWST is to see further into space than the Hubble Telescope.

The JWST uses eighteen 1.3 meter (point-to-point) hexagon shaped mirrors that will be collapsed during launch and opened once in space to form the focusing mirror as shown below.

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New Economical, Low g Accelerometer with Temperature Compensation for Low Frequency Monitoring  

The Model 4000 test and measurement accelerometer outperforms more expensive devices.

Measurement Specialties’ new Model 4000 accelerometer is an economical signal-conditioned accelerometer with integral temperature compensation. Designed to be the lowest cost DC-response accelerometer in its class, the Model 4000 is a true plug and play test and measurement device that will outperform much more expensive models. Specifically designed for low frequency monitoring in transportation, test, instrumentation and vibration sensing applications, this lightweight device features a ±2V FS output with a ±2.5 V reference that offers end-users a single-ended output or the capability for differential configuration use. Options are offered for dynamic ranges of ±2g to ±200g.

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New FS20 Load Cell Enables Low Force Sensing in OEM Applications and Medical Devices  

The miniature FS20 load cell is ideal for use on OEM medical devices such as infusion pumps.

Measurement Specialties (MEAS) is pleased to introduce the new FS20 series load cells designed for low force applications such as pumps, contact sensing and variable force control. The FS20 is available for compression forces ranging from 750 to 1500 grams, providing a 1 to 4 V FSO and an unprecedented 10 lbf overrange limit. This device is ideal for medical applications such as body fluid infusion pressure measurement and tube occlusion detection. The FS20 provides combined linearity, hysteresis and nonrepeatability performance to +/-1% FSO.

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