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  2. Electrochemical gas sensor - Wikipedia

    en.wikipedia.org/wiki/Electrochemical_gas_sensor

    The magnitude of the current is controlled by how much of the target gas is oxidized at the working electrode. Sensors are usually designed so that the gas supply is limited by diffusion, and thus the output from the sensor is linearly proportional to the gas concentration. This linear output is one of the advantages of electrochemical sensors ...

  3. Gas detector - Wikipedia

    en.wikipedia.org/wiki/Gas_detector

    Semiconductor gas sensors, most commonly metal–oxide–semiconductor (MOS) sensors, [3] detect gases by a chemical reaction that takes place when the gas comes in direct contact with the surface of the sensing element, which is usually heated to temperatures between 200 °C and 500 °C.

  4. 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.

  5. List of Arduino boards and compatible systems - Wikipedia

    en.wikipedia.org/wiki/List_of_Arduino_boards_and...

    Optional CIC61508 safety monitor. Arduino IDE supported via add-in, plus Eclipse-based tools with multicore debugger. MBZ Pro WiFi Atmega328P-PU MaxBlitz: MBZ Pro Mega is an Arduino compatible stand-alone board with a prototyping area and built-in Wi-Fi. Featuring a compact design, it helps to shrink Arduino projects and make it permanent.

  6. Hydrogen sensor - Wikipedia

    en.wikipedia.org/wiki/Hydrogen_sensor

    A hydrogen sensor is a gas detector that detects the presence of hydrogen. They contain micro-fabricated point-contact hydrogen sensors and are used to locate hydrogen leaks. They are considered low-cost, compact, durable, and easy to maintain as compared to conventional gas detecting instruments.

  7. Pellistor - Wikipedia

    en.wikipedia.org/wiki/Pellistor

    The detecting element consists of small "pellets" of catalyst loaded ceramic whose resistance changes in the presence of gas. Many of them require gentle heating in use, so they are four terminal devices with two connections for a small heating element and two for the sensor itself. Robust sensor with stainless steel case and sintered port

  8. Nondispersive infrared sensor - Wikipedia

    en.wikipedia.org/wiki/Nondispersive_infrared_sensor

    A nondispersive infrared sensor (or NDIR sensor) is a simple spectroscopic sensor often used as a gas detector.It is non-dispersive in the fact that no dispersive element (e.g a prism or diffraction grating as is often present in other spectrometers) is used to separate out (like a monochromator) the broadband light into a narrow spectrum suitable for gas sensing.

  9. Category:Gas sensors - Wikipedia

    en.wikipedia.org/wiki/Category:Gas_sensors

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