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  2. Temperature data logger - Wikipedia

    en.wikipedia.org/wiki/Temperature_data_logger

    Autonomous data loggers can be taken to diverse locations that cannot easily support fixed temperature monitoring equipment. [3] These might include: mountains, deserts, jungles, mines, ice flows, caves, etc. Portable data loggers are also used in industry and laboratory situations where stand-alone recording is desired.

  3. Instrumentation - Wikipedia

    en.wikipedia.org/wiki/Instrumentation

    A refrigerator maintains a constant temperature by actuating the cooling system when the temperature becomes too high. An automatic ice machine makes ice until a limit switch is thrown. Pop-up bread toasters allow the time to be set. Non-electronic gas ovens will regulate the temperature with a thermostat controlling the flow of gas to the gas ...

  4. Thermometer - Wikipedia

    en.wikipedia.org/wiki/Thermometer

    A thermometer has two important elements: (1) a temperature sensor (e.g. the bulb of a mercury-in-glass thermometer or the pyrometric sensor in an infrared thermometer) in which some change occurs with a change in temperature; and (2) some means of converting this change into a numerical value (e.g. the visible scale that is marked on a mercury ...

  5. Thermistor - Wikipedia

    en.wikipedia.org/wiki/Thermistor

    Thermistors are also commonly used in modern digital thermostats and to monitor the temperature of battery packs while charging. Thermistors are often used in the hot ends of 3D printers; they monitor the heat produced and allow the printer's control circuitry to keep a constant temperature for melting the plastic filament.

  6. Thermostat - Wikipedia

    en.wikipedia.org/wiki/Thermostat

    A thermostat exerts control by switching heating or cooling devices on or off, or by regulating the flow of a heat transfer fluid as needed, to maintain the correct temperature. A thermostat can often be the main control unit for a heating or cooling system, in applications ranging from ambient air control to automotive coolant control.

  7. Multimeter - Wikipedia

    en.wikipedia.org/wiki/Multimeter

    Analog multimeter Digital multimeter. A multimeter (also known as a volt-ohm-milliammeter, volt-ohmmeter or VOM) [1] is a measuring instrument that can measure multiple electrical properties. [2] [3] A typical multimeter can measure voltage, resistance, and current, [4] in which case can be used as a voltmeter, ohmmeter, and ammeter.

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    mail.aol.com

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  9. Thermal expansion valve - Wikipedia

    en.wikipedia.org/wiki/Thermal_expansion_valve

    A thermal expansion valve is a key element to a heat pump; this is the cycle that makes air conditioning, or air cooling, possible.A basic refrigeration cycle consists of four major elements: a compressor, a condenser, a metering device and an evaporator.