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  2. Digital sensor - Wikipedia

    en.wikipedia.org/wiki/Digital_sensor

    Digital sensors are widely used in water and industrial processes. They measure parameters such as pH, redox potential, conductivity, dissolved oxygen, ammonium, nitrate, SAC, turbidity. A digital sensor system consists of the sensor itself, a cable, and a transmitter. The differences with analog sensor systems are: a) The sensor has an ...

  3. Chemical sensor array - Wikipedia

    en.wikipedia.org/wiki/Chemical_sensor_array

    A chemical sensor array is a sensor architecture with multiple sensor components that create a pattern for analyte detection from the additive responses of individual sensor components. There exist several types of chemical sensor arrays including electronic, optical, acoustic wave, and potentiometric devices.

  4. Chemiresistor - Wikipedia

    en.wikipedia.org/wiki/Chemiresistor

    Simplified schematic of a single gap chemiresistive sensor. (not to scale) A chemiresistor is a material that changes its electrical resistance in response to changes in the nearby chemical environment. [1] Chemiresistors are a class of chemical sensors that rely on the direct chemical interaction between the sensing material and the analyte. [2]

  5. Sensor - Wikipedia

    en.wikipedia.org/wiki/Sensor

    Different types of light sensors. A sensor is a device that produces an output signal for the purpose of detecting a physical phenomenon.. In the broadest definition, a sensor is a device, module, machine, or subsystem that detects events or changes in its environment and sends the information to other electronics, frequently a computer processor.

  6. Chemical field-effect transistor - Wikipedia

    en.wikipedia.org/wiki/Chemical_field-effect...

    A ChemFET is a chemically-sensitive field-effect transistor, that is a field-effect transistor used as a sensor for measuring chemical concentrations in solution. [1] When the target analyte concentration changes, the current through the transistor will change accordingly. [2] Here, the analyte solution separates the source and gate electrodes. [3]

  7. Searchers don’t expect to find Pennsylvania woman alive in ...

    www.aol.com/searchers-don-t-expect-pennsylvania...

    The search for a woman who is believed to have fallen into a sinkhole in western Pennsylvania has become a recovery effort after two treacherous days of digging through mud and rock produced no ...

  8. Molecular sensor - Wikipedia

    en.wikipedia.org/wiki/Molecular_sensor

    IDA sensor for anions such as citrate or phosphate ions have been developed whereby these ions can displace a fluorescent indicator in an indicator-host complex. [5] The so-called UT taste chip (University of Texas) is a prototype electronic tongue and combines supramolecular chemistry with charge-coupled devices based on silicon wafers and ...

  9. Shirtless Man Pinned Flight Attendant Against ‘Aircraft Exit ...

    www.aol.com/lifestyle/shirtless-man-pinned...

    A Washington, D.C. man has been arrested for threatening flight attendants on a United Airlines plane traveling from Houston to New Jersey. Kedus Yacob Damtew, 38, was charged with one count of ...