Explain working principle of lvdt?

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why we are using ungrounded RTD sensor and what is difference between grounded RTD and Ungrounded?

1 Answers  

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What are different types of control valves?

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What denotes the 5/8mm in the 3300XL 5/8mm proximitor probe?

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Describe the typical instrumentation used in monitoring the performance of a shell and tube heat exchanger.

0 Answers  

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we are used SAMSON 3730 Smart positioner.please tell me how to calibration this.

1 Answers   TCCL,

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How do you identify between actual alarm and false alarm in a Temperature Transmitter in SCADA based Control System

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In most process, speed of motor controlled by control system with a reference pot . Now if i start & it becomes uncontrollable, i.e.gets directly start & stop after certain time.Then which reasons can make such problem? can motor may be faulty?how?

3 Answers   Siemens,

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IF TX SHOWS SLOW RESPONSE, WHILE A CLOSE LOOP AND WHEN WE PUT THE CONTROLLER ON MANUAL THE PROBLEM RECTIFIED, SO WE CAN SAY THE PROBLEM IS IN

1 Answers   IFFCO,

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How RAL(Rotary air lock)works in cement industry?

0 Answers   Jaypee,

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How d.p. Transmitter can be applied to open tank?

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why 4 to 20 ma? why cant some other range?

3 Answers  

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