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Pressure Sensors

Measurement Specialties (Hampton, VA), now part of TE Connectivity, has released the MS5837-30BA, a low-power, compact, gel-filled pressure sensor with an I2C bus interface and high resolution of 2 mm. The device has a 3.3 × 3.3 × 2.5-mm ceramic- metal package. The pressure sensor features a delta sigma ADC that offers 24-bit pressure and temperature values, while using 0.6 μA. The sensor has a response time of 0.5 ms, as well as a pressure range of 0 bar to 30 bar in temperatures from -20°C to +85°C. The anti-magnetic, stainless-steel cap and silicone gel protect the internal electronics and provide water resistance. The I2C bus allows the sensor to interface with other microcontrollers. For Free Info Visit http://info.hotims.com/55589-144

Posted in: Products, Sensors

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Gas Sensors

ENMET (Ann Arbor, MI) has announced the GSM-60, a microprocessor-based gas monitor. The system incorporates an internal sample draw pump and gas sensors. The GSM-60 can be custom- configured, with both internal and external sensors for monitoring VOCs, dew point, oxygen, and CO, or a number of other target gases, including O3, HF, HCl, and Cl2. The monitor can also be connected to a range of remote 4-20 mA toxic or combustible gas sensor/transmitters.

Posted in: Products, Sensors

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NASA Sensors Detect Aircraft Icing Hazards

Atmospheric Icing Sensors Glenn Research Center Cleveland, OH www.nasa.gov/centers/glenn/home NASA’s Glenn Research Center scientists are sending up weather balloons to read weather data and validate the agency’s ground-based sensors. The launch will provide better detection of potential icing hazards around the nation’s airports.

Posted in: Application Briefs, Sensors

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Waggle Platform Offers Possible Key to the ‘Smart City’

Data Collection Platform Argonne National Laboratory Lemont, IL www.anl.gov As urban populations expand, some experts envision “smarter” cities, where hundreds or thousands of strategically placed sensors will record and monitor all types of measurements, including waterway pollutants, air pressure, and temperature. The barrier to the “smart city,” however, is quick and easy access to data. The sensors require a computing platform to process the data being received.

Posted in: Application Briefs

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NASA, UCF Professor Send Sensor to Stratosphere

Planetary Atmospheres Minor Species Sensor (PAMSS) University of Central Florida Orlando, FL www.ucf.edu Using a high-altitude balloon, NASA and a team led by University of Central Florida physics professor Robert Peale sent an experimental sensor about 20 miles above the Earth. The flight demonstrated the sensor’s ability to function in the perilous conditions found in the stratosphere, where the temperature can plummet to -75 degrees Fahrenheit.

Posted in: Application Briefs, Sensors

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Glaucoma Sensor Monitors Eye Continuously

More than three million Americans are currently living with glaucoma, an eye disorder with few symptoms in its early stages. Globally, the number may increase to almost 80 million by 2020, according to the British Journal of Ophthalmology. Glaucoma eventually leads to damage of the optic nerve.

Posted in: Articles, Sensors

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Trillion-Frame-Per-Second Camera Captures Ultrafast Phenomena

Researchers from Japan have developed a new high-speed camera that can record events at a rate of more than 1-trillion-frames-per-second. The STAMP (Sequentially Timed All-optical Mapping Photography) technology holds promise for the study of complex, ultrafast phenomena.Keiichi Nakagawa, a research fellow at the University of Tokyo, experienced the need for a camera while studying how acoustic shock waves changed living cells. Scientists believe mechanical stress, like that caused by acoustic waves, may increase bone and blood vessel growth, but they had no tools for capturing the dynamics of such a fast, transient event as a shock wave passing through a cell.STAMP relies on a property of light called dispersion. The technology splits an ultrashort pulse of light into a barrage of different colored flashes that hit the imaged object in rapid-fire succession. Each separate color flash can then be analyzed to string together a moving picture of what the object looked like over the time it took the dispersed light pulse to travel through the device. Currently, the team is constructing an improved STAMP system that acquires 25 sequential images. Nakagawa believes the number of frames could eventually be increased to 100 with current technology.The camera could be used to explore a wide range of ultrafast phenomena for the first time, including image electronic motion, the laser ignition of fusion, the phase transition of materials, and the dynamics of a Coulomb explosion, an event in which intense electromagnetic fields can force a small amount of solid material to explode into a hot plasma of ionized atomic particles. SourceAlso: Read other Imaging Tech Briefs.

Posted in: News

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