defffrence between instruments and instrumentation

8 Answers  

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how to calibate level transmiter ?range -150 to +150.what is the zero and span?

1 Answers  

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Can anybody tell me application of PLC,DCS,SCADA.

3 Answers   Reliance,

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How to calibrate the magnetic flow meter and how to correct the flow if it is showing more flow.

5 Answers   Bohra Industries Limited, TCL,

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what is shutoff dp? why is it important for selection of a control valve?

1 Answers  

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Explain the thermocouple and RTD?

1 Answers  

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My question may be very basic or childish but this question still persists in me, someone plz help me 1.why do we go for differential equations to analyze a system? 2.why do we solve it using matrices, is there any specific reason for using matrices other than the stories like it is simple,faster etc.

2 Answers  

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what is the input of ph sensor and meter during the calibration time and what is the output?

1 Answers   Sabic,

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What is the difference between radar and ultrasonic level transmitter? Which method is best and more accurate?

8 Answers  

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Explain about 4 wire instrument concept & tell about its wiring fron sensor in Field to PLC panel.Explain with an example?

3 Answers   IOCL,

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On drum level, why we are using air to close Control valve?

4 Answers   L&T,

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If boiler drum level transmitter is not working properly what you will do for resolving the problem in plant running condition?

2 Answers  

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