Control valve
In process plant ,parameters like flow, temperature,level, pressure etc have to be controlled as per requirement . various sensors and devices are used to measure…
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27 September 2024
Thermocouple types
Thermocouples are classified into various types on the basis of the materials used .The positive and negative leads are composed of metal /matal alloy wires.…
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27 September 2024
Calibration of DP transmitter with negative range
Dp type transmitters are popular in industries for the measurement of process parameters like level, flow density, Differential pressure etc.we know every instrument has its…
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12 September 2024
Thermocouple
Thermocouples are sensors used for temperature measurement .They works on the principles of thermoelectric effect .They are constructed as a couple or junction of two…
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11 September 2024
Control valve selection – Air to open and Air to close
Normally open and close valve .Why there are two types.Based on normal seating position ,pneumatically operated spring return valves are two types ,Normally close or…
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23 January 2024
differential pressure and flow principles
Flow and Differential pressure Differential type flow measurement are employed in many industries like chemical and petrochemical plants, Refineries, water treatment plants etc.Flow measurement…
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26 August 2023
Primary elements for flow measurement
Flow and Differential pressure Differential type flow measurement are employed in many industries like chemical and petrochemical plants, Refineries, water treatment plants etc.Flow measurement using…
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6 March 2023
I/P transducer
I/P transducer working I/P transducer I/P converter or current to pressure converter is a commonly used device in instrumentation field . The device used to …
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24 February 2023
Alarm annunciator circuit
This article describes the design and working of a simple hardwired alarm annunciator circuit . What is alarm annunciator Alarm annunciator is a warning and…
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16 February 2023
magnetic flow meter
MAGNETIC FLOW METER Magnetic flow meter , a device commonly used in many industries to measure the flow rate of fluids in pipelines .The principle…
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13 February 2023
DP type level transmitter range calculations-part 3 closed tank
DPT range closed tank/calculation This article explains range calculation of differential pressure transmitter for closed tank level measurements .If you want, read the basics…
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5 February 2023
DP Range calculation part 2- open tank
DPT Range - open tank- calculation dpt range open tank -calculation This article describes range calculation of differential pressure type level transmitter for open tank…
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3 February 2023