Sensors & Transducers


Hydrophone – Underwater Sound Transducers/Sensors

Hydrophone is a microphone designed for recording or listening to underwater sound. Most hydrophones are based on piezoelectric transducers that generate electricity when subjected to a pressure change of sound wave (acoustic energy). Hydrophone helps in detecting or monitoring sound under water. Applications of hydrophones include aquarium audio products, Hydrophone networks for SeaSound effects analysis, marine survey, sea navigation systems, deep ocean research, sea-phone, underwater ultrasonic transducers, and sound detection in liquids.

Read more >>> Hydrophone – Underwater Sound Transducers/Sensors

Analog Devices, Inc. (ADI) introduced the ADMP441 iMEMS microphone, high-performance MEMS microphone with an I2S (Inter-IC Sound) digital output. The new MEMS microphone uses patented ADI MEMS and audio signal processing technologies. It is reflow solder compatible with no sensitivity degradation. ADMP441 I2S Digital Microphone complies with the TIA-920 Telecommunications Telephone Terminal Equipment Transmission Requirements for Wideband Digital Wireline Telephones standard.

Read more >>> I2S Digital Microphone for Conference Room Speech Processing

Force sensors measure the applied force from the proportional deformation of a spring element: the larger the force, the more this element deforms. However, the frequency range of this type of sensor is limited by this element having to be sufficiently elastic to undergo large-amplitude deflections reflecting the load. Force Sensor Construction and Operation Usually […]

Read more >>> Force Sensors and Transducers

Geophones are ground displacement sensors/transducers used for seismic energy measurements. Geophone is also called as seismic geophones or Seismometers. They are designed for measurement of earthquakes, machine vibrations, oil exploration, mining, etc. Wireless geophones are also used is in the application of Remote Ground Sensors (RGS) incorporated in Unattended Ground Sensor (UGS) Systems.

Read more >>> Geophone – Seismic Sensor for Monitoring Earthquakes and Vibrations

Fluxgate compass is an electromagnetic navigational instrument for determining direction relative to the Earth’s magnetic poles. It consists of a magnetized pointer (usually marked on the North end) free to align itself with Earth’s magnetic field. A compass is any magnetically sensitive device capable of indicating the direction of the magnetic north of a planet’s magnetosphere. Fluxgate compass is used as navigation instrument for aircrafts, ships, boats, and other land vehicles. Fluxgate compass is also used for land surveying systems.

Read more >>> Fluxgate Compass – Fluxgate Magnetometer

Variometer is also known as a Rate of Climb and Descent Indicator (RCDI), Rate-of-Climb Indicator, Vertical Speed Indicator (VSI), or Vertical Velocity Indicator (VVI). Variometer is one of the flight instruments in an aircraft used to inform the pilot of the near instantaneous (rather than averaged) vertical speed (rate of descent or climb) of the aircraft. Rate of Climb and Descent Indicator (RCDI) is usually called as Vertical Speed Indicator (VSI) in powered flights, and Variometer in gliders.

Read more >>> Variometer Vertical Speed Indicator for Climbing Rate Mesearement

An RFIC/RFID tags & sensors manufacturer Tagsense is working in the emerging field of printed RFID materials with emphasis on the following areas: Printed RFID antennas, Printed RFID sensor elements, Anti-counterfeiting and authentication. Chipless RFID tags do not contain a chip or electronic circuit, and thus store information purely in the electromagnetic materials which comprise the tag.

Read more >>> Printed RFID Sensors & Antennas

Chipless sensors have no onboard chip, they require no active power and can be manufactured at a very low cost. The data received by the reader is purely an analog signal representing the electromagnetic response produced by the material active layer and the external stimulus (such as temperature, pressure, humidity, PH, etc).

Read more >>> Chipless Sensors: Pressure, Humidity, Temperature, PH Sensors

Allegro MicroSytems, Inc. introduces a new Hall-effect linear current sensor IC that provides economical and precise solutions for AC or DC current sensing in low-voltage audio, communications systems, white goods, and automotive applications. Typical applications include circuit protection, current monitoring, and motor and inverter control. Allegro’s device consists of a linear Hall sensor circuit with […]

Read more >>> Hall-Effect Linear Current Sensor with Overcurrent Fault Output

Cherry’s GS102301 gear tooth speed sensor is perfect for any application where rugged, dependable speed sensing is required. This digital output Hall Effect speed sensor is self-adjusting over a wide range of magnetic flux densities, eliminating the need to optimize the sensor position within a small magnetic flux operating range. This feature also compensates for […]

Read more >>> Speed Sensor – Hall-Effect Speed Sensor – Gear Tooth Speed Sensor

American Sensor Technologies, Inc. (AST) now offers the AST5400 wet / wet differential pressure sensor (also termed differential pressure transducer or transmitter) to measure line pressures up to 2,000 PSI with a turndown ratio of 15 to 1. This cost effective product was developed to bring the features of differential pressure sensors to the process […]

Read more >>> Differential Pressure Sensor for Liquids and Gases

Transducers and Sensors: Types of Transducers, Electromagnetic Transducers, Electrochemical Transducers, Electromechanical (actuators) Transducers, Electroacoustic Transducers, Photoelectric Transducers, Electrostatic Transducers, Thermoelectric Transducers, Radioacoustic Transducers

Read more >>> Types of Transducers: Sensors and Actuators

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