why we set -10 volt in vibration sensor output,why not +10 volt

3 Answers   GE, Honeywell, LLM,

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Please can anybody help for control valve sizing step by step procedure?

0 Answers  

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I m appointed as an automation trainee engineer in small firm in that I am only the one , my company give me a project on s7-200 as i m beginner I don't know how to program so please send me the helpful site so that I complete my project before deadline....please help me out in this critical situation.

0 Answers  

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please send the drdo exam paper

0 Answers   DRDO,

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How to fix back the valve actuator stem

0 Answers   SAFCO, Tarpon,

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what is Instrument Schedule, and what it is mainly used for?

0 Answers  

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Why we use 4 - 20 ma?

6 Answers   IJT, ONGC,

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In power plant to measure vibration of a turbine we install sensors. Before install this sensor we have to set gap voltage. What is meant by gap voltage and its use?

0 Answers  

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why the derivative in PID is always set to zero?

3 Answers  

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what is the field bus calble ? what are diffrences in orang colur cable and black coular calble ?

0 Answers   ABB, Yokogawa,

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how can we measure the pressure in underground cooling water pipeline by using pressure transmitter?what about the tapping position?

2 Answers  

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applications of 1-5v and 4-20ma?

4 Answers  

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