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Piezoelectric

What is the difference between piezoelectric and piezoresistive pressure sensing?

January 11, 2021 By Randy Frank Leave a Comment

Piezoelectric is the property of a material to generate a voltage when mechanical force is applied to it. In contrast, the piezoresistive effect is the property of a material’s resistivity to change when subjected to a mechanical force. In either case, the mechanical force or stress can be compression, tension or a bending force. Ceramic […]

Filed Under: Featured, Frequently Asked Question (FAQ), Piezoelectric, Pressure Sensor, Strain

What is exponential technology?

November 13, 2020 By Randy Frank

In his presentation at the COMSWORLD2020 virtual event, Janusz Bryzek of eXo Imaging, described many details to support his premise of the exponential acceleration of healthcare problems. According to Bryzek, the convergence of exponential technologies or ExTech is accelerating the availability of healthcare to all. Exponential technologies include different types of health sensors, big data, […]

Filed Under: Artificial intelligence (AI), Featured, Frequently Asked Question (FAQ), Image sensing, MEMS Sensor Technology, Piezoelectric, Ultrasonic Tagged With: exo imaging

What is a Molecular Property Spectrometer sensor?

November 11, 2020 By Randy Frank

To measure and classify a wide range of combustible gases, NevadaNano has integrated multiple, complementary chemical sensors on a single silicon chip called the Molecular Property Spectrometer or MPS sensor. The chip’s patented array of micro-cantilevers with integrated piezoelectric sensing elements provides electrical actuation and sensing of resonance frequency. Monitoring resonance is a highly sensitive […]

Filed Under: Chemical Sensor, Featured, Frequently Asked Question (FAQ), Gas Sensor, MEMS Sensor Technology, Piezoelectric Tagged With: nevadanano

PCB Piezotronics launches high temp triaxial charge accelerometer

September 10, 2018 By Mike Santora

pcb-accelerometer-image

PCB Piezotronics, Inc. announces the release of a triaxial charge accelerometer designed for use in environments with ambient temperatures up to 900 °F/482 °C. Model EX356A73 is certified as intrinsically safe through the ATEX, CSA and IECEx programs. It is ideal for use in aviation/power generation turbine research & development, nuclear power plant commissioning and […]

Filed Under: Accelerometer, Piezoelectric Tagged With: PCB

New digital pressure sensor offers OEM customers increased design flexibility

May 2, 2018 By Lexi Korsok

All Sensors Corporation of Morgan Hill, California has announced a new line of digital pressure sensors: the ELVR Series. The new device series offers OEM customers increased design flexibility for pressure ranges from 2.5 to 75 mbar (1 to 30 inch H2O). The ELVR Series is a direct replacement to First Sensors’ HCLA product line. […]

Filed Under: MEMS Sensor Technology, Piezoelectric, Pressure, Pressure Sensor, Sensors

What types of sensors are used in robots? Part 1 of 2

September 26, 2017 By Randy Frank

robots

Fully functional human robots, such as those being developed by Boston Dynamics, need numerous sensors to simulate a variety of human and beyond human capabilities. For the human part, the sensors provide the ability to see, hear, touch and move. In general, industrial robots employ sensors for a variety of activities. Some sensors provide environmental […]

Filed Under: Ambient Light, Chemical Sensor, Distance, Featured, Force, Frequently Asked Question (FAQ), Image sensing, Infrared, laser, Lighting, Microphones, Piezoelectric, Proximity, RFID, Temperature, Ultrasonic Tagged With: Boston Dynamics

Customized transducer for differential pressure applications

January 18, 2017 By Paul Heney

The UTD20 is a customized transducer that features a piezo-resistive silicon sensor for differential pressure applications. Outputs are voltage or UART digital. Measuring ranges from 0 to 1.5 bar–the measuring range and zero set point can be set. Accuracy is < ±0.5 % of the nominal range (total performance) and temperature range is from -40 to 85° C. Other features include: • Sensor preconfigured […]

Filed Under: Piezoelectric, Pressure

MEMS Microphone Employs Energy Harvesting

November 29, 2016 By Randy Frank

At the MEMS & Sensors Group Executive Conference in Scottsdale, AZ, Matt Crowley, the CEO of Vesper Technologies, demonstrates his company’s wake on sound MEMS microphone. The VM1010 prototype uses the piezoelectric MEMS microphone as a piezoelectric energy harvester for saving power with an always on voice mode. For more information, click here.

Filed Under: Energy Harvesting, Featured, Microphones, Piezoelectric Tagged With: Vesper Technologies

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