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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tell me about the instrumentation,what is the actual need of it ?what are the characteristics of a IC engineer ?

11 Answers   L&T,

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Which type of pressure can be measured by these elements?

0 Answers  

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which type of signal used in instrument?

3 Answers   Emco, Makson, Sail, TATA,

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what is the difference between AUTOMATION AND INSTRUMENTATION?

7 Answers  

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what are the different types of Protocols? & their applications.

6 Answers   Infosys, Sitara Chemical Industries, Syntel, VSNL,

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what is the difference between sinking and sourcing inputs and also what are there applications?

2 Answers  

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can anybody will tell me abiut PID controller.

4 Answers  

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Steve said that "An eddy-current probe works by passing an alternating current through a coil of wire and measuring the coil’s impedance" while we are using -24 Volt DC , So I am confused about DC and AC. Plz .

2 Answers   Jindal, Sadara Chemicals,

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Explain PID controller tuning & any one method used for it.

1 Answers   L&T, Oil India,

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

0 Answers  

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how to measured k type thermocouple temp.

3 Answers   NTPC,

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