Author name: Mahesh

Instrumentation & Control Engineer

What is pressure gauge and how is pressure gauge calibrated?

What is pressure gauge? The pressure gauge is one of the widely used instrument to measure pressure. The widely used bourdon gauge measures and indicates pressure. The principle used in bourdon pressure gauge is that a flattened tube tends to straighten or retain its circular form in cross-section when pressure is applied.To measure pressure which is lower than …

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HOW TO CALIBRATE DIFFERENTIAL PRESSURE TRANSMITTER?

What is a Differential Pressure Transmitter? The Differential pressure transmitter is commonly used in industries as pressure measuring instrument. It is a device that measures two opposing pressures in a pipe or a vessel. This equipment will sense the difference in pressure between two ports and produce an output signal with reference to a calibrated pressure range. In the Differential pressure transmitter, as …

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How is control Valve calibrated?

What is calibration? In measurement technology calibration is the process of checking the instrument with a standard instrument to improve the measuring functions. The accuracy of standard device taken for calibration should be 10 times the accuracy of measuring device. What is control valve? Control valve is used to monitor the flow of fluid by …

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What are Calibration procedures?

What is calibration? Calibration is the process of comparing the reading of one instrument or equipment with a standard instrument. The reference instrument is already calibrated and referenced to a known set of parameters. The reference instrument should itself be directly traceable to equipment that is calibrated. Calibration is done to minimise any type of …

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What are the differences between transducer and transmitter?

What is Transmitter? Transmitters are instruments used to generate and send electromagnetic waves which includes message or signal. A transmitter produces radio waves with the help of Antenna. Transmitter itself combines a sensor and the sensor measures the process variable and generates proportional signal. What is the working principle of Transmitter? The working principle of …

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TRANSDUCER vs SENSOR

What is transducer? The non-electrical quantity is converted into an electrical form for using electrical methods and techniques for measurement, manipulation and control. The device which when actuated, transforms energy from one form to another is called a transducer. Transducers are classified into: Active and Passive On the basis of principle used as Capacitive, Resistive, …

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Classifications of Transducers

What is Transducer? For most instrumentation systems, the input quantity will be a non-electrical quantity. The non-electrical quantity is converted into an electrical form for using electrical methods and techniques for measurement, manipulation and control. The device which when actuated, transforms energy from one form to another is called a transducer. Parts of Transducer The …

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