Answer / bongani

the linear variable differential transmitter or transformer has a potentiometer(varrying resistance) when it stretched the resistance changes. With the 24vdc supply, the ohms law is completed to give a linear 4-20mA output to your controller or indicator. same storry applies on the RVDT

Explain what is meant by the term “FLASH POINT” of liquid?

2 Answers  

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what is the function of a diaphragm?

1 Answers  

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on interface level transmitter model(RTG3302-EMERSON) What is threshold valve how can we select correct threshold value T1,T2,T3,T4 When interface water & hydro carbon

0 Answers  

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how is work pressure switch& level switch?what is the principle of this?

0 Answers   Binani,

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1)unmovable objects have frequency or not?if that object have frequency,how do we measure and transmit? 2)how do u measure the continuity without multimeter? 3)we put 24volt dc supply in railway track how many distance it is traveled without voltage drop?

1 Answers  

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What is the main difference between Cavitation and Flashing?

1 Answers  

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what is the responsibility of an instrument commissioning supervisor

0 Answers   Petrofac,

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two common seiling liquid used in seal pots are:

1 Answers   Thermax,

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Why we use 250 ohm resistor in series with HART protocol communication?

13 Answers   Chemtrols, Instec, Sabic,

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what is the importance of CV in the control valves? how it is calculated?

0 Answers  

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If a normal magnetic type flow transmitter that can measure flow, temperature and show this parameters on field, is it possible by any means to get this (flow and temperature) parameters info. On dcs? And if yes then with HART, FO communication or any other communication system?

1 Answers   Process Control Technologies,

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draw the characteristics of chebyshev filter

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