What s the exact height of installed transmitter?

1 Answers  

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what is difference between modbus & fieldbus

1 Answers   ABB,

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i am working in the automation company...i want to just know how actully pid control valves are tune????...

1 Answers  

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1.what is beta in control valves? 2.what is the condition followed by light in LASERs? 3.1kg/cm2=?psi 4.Integral action reduces what? 5.about vena contracta 6.a simple RC circuit 7.thermistor material's temp coefficient of resistance 8.if wave passes through the thicker area of a chord to a thinner area what changes will occur to wavelength? 9.if 4-20 mA represents 0-10 kg/cm2 what will be the current when pressure is 5 kg/cm2.................

0 Answers   Lurgi,

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What are the uses of orifice plates?

0 Answers  

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Is Hart communicator calibration device or communicating device for transmitter?

4 Answers   Yokogawa,

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modbus and profibus communication difference?

1 Answers  

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how to calculate control valve bonnet size?? or how to select its material?

0 Answers   Jacobs,

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can a control valve works without positioner?why need tunning of c/v?

4 Answers  

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Is wet leg type system nessesary to measure water level of steam DRUM? How the transmitter is calibrated to measure this level?

0 Answers  

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What is cut off relay? And why use in PLC and DCS?

0 Answers  

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What is difference between “Fault Tolerant” & “Fault avoidance” PLC? Application where these system s are used?

0 Answers  

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