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Helix Bimetallic Thermometer
Basic principle of Helix Bimetallic Thermometer: When a bimetallic helix fixed at one end and free at the other end…
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Spiral bimetallic thermometer
Basic principle of Spiral bimetallic thermometer When a bimetallic spiral fixed at one end and free at the other end…
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Introduction to pressure measurement
In general, pressure is represented as force per unit area. The measurement of pressure is one of the most…
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Terms related to pressure
Atmospheric pressure: The pressure due to air surrounding the earth’s surface is called as atmospheric pressure. Absolute pressure: It is…
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Dead Weight Tester
Description The dead weight tester apparatus consists of a chamber which is filled with oil free impurities and a piston…
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U-tube Manometer with equal unequal limb types
Description of manometer: This is the most simple and precise device used for the measurement od pressure. It consists of…
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Bourdon tube Pressure Gauge
Basic Principle of Bourdon tube pressure gauge: when an elastic transducer ( bourdon tube in this case ) is subjected…
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Elastic diaphragm gauges
Basic principle of Elastic diaphragm gauges: when an elastic transducer (diaphragm is this case) is subjected to a pressure, it…
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Strain Gauge Pressure Cell
Basic Principle: When a closed container is subjected to the applied pressure, it is strained (that is, its dimension changes).…
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McLeod Vacuum Gauge
Basic Principle of McLeod Vacuum Gauge: A known volume gas is compressed to a smaller volume whose final value provides…
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Pressure Measuring Instruments
McLeod Vacuum Gauge A known volume gas is compressed to a smaller volume whose final value provides an indication of…
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Pirani gauge – A Thermal conductivity Gauge
The Pirani Gauge is a type of Thermal Conductivity Gauges. Basic principle of Pirani gauge A conducting wire gets heated…