Transmitter
Transmitter in process Industries A transmitter is a general term . something transmitting a signal to a distance .we can call them like. To be…
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2 November 2022
SPST ,SPDT, DPDT…… Switches/Relay classification
SPST SPDT DPST DPDT SWITCHING What is SPDTswitch! What is SPDT relay? DPDT,3PDT,3PST........ What are they? Heard about this ?.. SPDT .....single pole double throw…
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30 October 2022
Hydrostatic pressure
we have a tank as shown in figure filled with a liquid of known density. It is filled up to a height h from bottom.if…
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26 October 2022
How to use Pressure switch as level switch
pressure switch a familiar device used in process control applications .we know they sense pressure and changes the status of contact output about a setpoint…
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10 October 2022
Potential free contact
What is potential free contact ? Is there such a thing? A contact in a electrical or electronic circuit allows or blocks passage of power…
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9 October 2022
Why Transmitters LP side Connected to tank top
Why we connect LP port of DP transmitter to top of the tank???? Have you ever noticed a tube connected from top of the closed…
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9 October 2022
pressure switch calibration
Calibration By Calibration of pressure switch it means to make the pressure switch sets and resets at desired pressure . pressure switch calibration is done…
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9 October 2022
Bubbler system
Bubbler system level measurement A bubbler system is one of the hydrostatic type level measurement technique . Level measurement is done by measuring the pressure…
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8 October 2022
Calibration of I/p converter
I/P converter or current to pressure converter is the device used to convert the electrical signal in to air pressure . It is mainly used…
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5 October 2022
DP and flow calculations
Differential type flow measurement are employed in many industries like chemical and petrochemical plants, Refineries, water treatment plants etc.Flow measurement using primary elements like orifice…
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4 October 2022
4-20 mA to 1-5 V conversion
4-20 mA to 1-5 V conversion Most of transmitters use 4-20 mA as ay signal standard for transmitting process parameters .Two wire method is common…
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4 October 2022
Volumetric flow and mass flow
Volumetric flow rate and Mass flow rate Volumetric flow and mass flow,two important terms related to industrial flow measurement .Volumetric flow rateIt is the rate…
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3 October 2022