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  2. Electro-galvanic oxygen sensor - Wikipedia

    en.wikipedia.org/wiki/Electro-galvanic_oxygen_sensor

    This test does not only validate the cell. If the sensor does not display the expected value, it is possible that the oxygen sensor, the pressure sensor (depth), or the gas mixture F O 2, or any combination of these may be faulty. As all three of these possible faults could be life-threatening, the test is quite powerful.

  3. Oxygen sensor - Wikipedia

    en.wikipedia.org/wiki/Oxygen_sensor

    An oxygen sensor (or lambda sensor, where lambda refers to air–fuel equivalence ratio, usually denoted by λ) or probe or sond, is an electronic device that measures the proportion of oxygen (O 2) in the gas or liquid being analyzed. [1] It was developed by Robert Bosch GmbH during the late 1960s under the supervision of Günter Bauman. [1]

  4. OBD-II PIDs - Wikipedia

    en.wikipedia.org/wiki/OBD-II_PIDs

    Oxygen Sensor 2 A: Voltage B: Short term fuel trim 16: 22: 2 Oxygen Sensor 3 A: Voltage B: Short term fuel trim 17: 23: 2 Oxygen Sensor 4 A: Voltage B: Short term fuel trim 18: 24: 2 Oxygen Sensor 5 A: Voltage B: Short term fuel trim 19: 25: 2 Oxygen Sensor 6 A: Voltage B: Short term fuel trim 1A: 26: 2 Oxygen Sensor 7 A: Voltage B: Short term ...

  5. Oxygen saturation - Wikipedia

    en.wikipedia.org/wiki/Oxygen_saturation

    Dissolved oxygen levels required by various species in the Chesapeake Bay (US). In aquatic environments, oxygen saturation is a ratio of the concentration of "dissolved oxygen" (DO, O 2), to the maximum amount of oxygen that will dissolve in that water body, at the temperature and pressure which constitute stable equilibrium conditions.

  6. Socket wrench - Wikipedia

    en.wikipedia.org/wiki/Socket_wrench

    Spark plug sockets, oxygen sensor sockets, ball joint sockets, axle nut sockets, etc. fit in this category. A much rarer form of socket is the penta socket, or 5 point socket, used with things such as, Telephone lines, waterworks, and certain vehicles. By far the most common use for them is with water meters, which have 5 sided bolts or nuts.

  7. Hypoxic air technology for fire prevention - Wikipedia

    en.wikipedia.org/wiki/Hypoxic_air_technology_for...

    Sensors continuously measure the levels of oxygen. These sensors provide real-time data to the control system, ensuring that the oxygen level is reduced to a safe level for fire prevention without compromising human safety. Distribution Network: This network delivers nitrogen-enriched air into the protected environment(s).

  8. Clark electrode - Wikipedia

    en.wikipedia.org/wiki/Clark_electrode

    A schematic representation of Clark's 1962 invention, the Oxygen Electrode. The Clark electrode [1] [2] is an electrode that measures ambient oxygen partial pressure in a liquid using a catalytic platinum surface according to the net reaction: [3]

  9. Diving regulator - Wikipedia

    en.wikipedia.org/wiki/Diving_regulator

    A diving regulator or underwater diving regulator is a pressure regulator that controls the pressure of breathing gas for underwater diving.The most commonly recognised application is to reduce pressurized breathing gas to ambient pressure and deliver it to the diver, but there are also other types of gas pressure regulator used for diving applications.