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Sigma KEE - MeasuringDevice
KB Term: 

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MeasuringDevice
Any Device whose purpose is to measure a PhysicalQuantity.
Relationships      
Parents Device A Device is an Artifact whose purpose is to serve as an instrument in a specific subclass of Process.
Children AltimeterA Device that measures the vertical distance to the some reference point of the surface below. This may be the mean sea level or the actual surface of the earth.
 BimetalTemperatureSensorTwo metals bonded together that have dissimilar thermal expansion properties. This leads to the strip curling one direction or another with changes in TemperatureMeasure, typically activating a switch or other device.
 ClockAny Device that measures and represents TimeDuration or TimePosition.
 FeelerGaugeA Device used to measure small gaps. It is typically a Collection of several such gauges of varying thicknesses that a user places into the gap until one is found that fits with slight resistence, which indicates a good assessment of the size of the gap. A typical use is measure the gap between electrodes of a SparkPlug.
 HydrometerA MeasuringDevice that is used in Measuring the DensityFn of a liquid, usually with respect to Water.
 MassAirflowSensorA Device that measures the amount of Air flowing to the throttle body in a fuel injection system. It sends this information to the EngineControlModule.
 OxygenSensorA sensor that measures Oxygen. Typically it is to measure the Exhaust of an Automobile. More oxygen signals a lean fuel mixture, and less a rich one.
 PressureMeasuringDeviceAny Device that measures and represents PressureMeasure.
 TachometerA Device for Measuring the number of RevolutionsPerMinute of an object, typically an Engine Crankshaft.
 TestFormA FormText which is intended to measure some aspect of the cognitive capabilities, e.g. intelligence or knowledge of a domain, of the person taking the test.
 ThermometerAny Device that measures and represents TemperatureMeasure.
 TorqueWrenchA Wrench that measures the amount of force applied, typically in pound-feet or Newton-meters.
 VacuumGaugeA MeasuringDevice that measures the degree of Vacuum, relative to the surrounding air pressure.


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Sigma version 3.0 is open source software produced by Articulate Software and its partners