1. A device which detects the value of the quantity to be controlled by a feedback control system and compares it continuously with the desired value of that quantity. 2. A device used to inspect a gaged part for deviation from a specified dimension, by mechanical, electrical, pneumatic, or optical means.
Related Terms |
RESTRICTOR
A device for producing a deliberate pressure drop or resistance in a line by reducing the cross-sectional flow area.
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ADJUSTABLE DIFFERENTIAL
A means of changing the difference between the control cut-in and cut-out points.
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SAFETY CONTROL
Device to stop unit, equipment or system if unsafe pressure and/or temperatures and/or dangerous conditions are reached.
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SAFETY CONTROL
Device to stop unit, equipment or system if unsafe pressure and/or temperatures and/or dangerous conditions are reached.
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AIR COOLER
A factory-encased assembly of elements whereby the temperature of air passing through the device is reduced.
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AGGLOMERATION
The potential of the system for particle attraction and adhesion.
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REMOTE REFRIGERATING SYSTEM
Refrigerating system in which condensing unit is away from space to be cooled.
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ACTION
Refers to the action of a controller. It defines what is done to regulate the final control element to effect control.
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FILTER ELEMENT
The porous device that performs the actual process of filtration. Also known as Cartridge
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SHED MODE
A method of demand control that reduces kW demand through shedding and restoring loads.
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