Answer / ayaz

there are two type of vibration measuring 
1 seismic vibration measuring : in seismic vibration is measure the device body monitoring structure
2 prob vibration : prob vibration is measure the device shaft coupling etc
there are two type of prob axial and radial axial use in parallel of shaft and radial use center of the shaft 

FOR CO/CO2/O2/NOX applications which of the following manufature is best? and what is the basic principle of gas analysers? ABB/YOKOGAWA/EMERSON/SIEMENS/TELEDYNE/THERMOFISHER

4 Answers  

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generally transmitter power supply having some range(12v to 35v) but the out put(4-20 mA) must same for given input.If we vary the power supply voltage then output mA also to be change according to V=IR. Is there any voltage regulator in the transmitter ?

2 Answers  

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dear sir we have insatlled positioner model no.sipart PS2 make Siemens at our control valves . now problem is if we want to increase the response of valve opening speedy /fast. what parameters do we change for positioner ? any idea. please guide us.

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what is insdustrial vibration.who it works. give atleast 2 types of insdustrial vibration

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Describe a time when you anticipated potential problems and developed preventive measures.

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What is the difference between sdv and bdv ?

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Why Flow measure in Square-root?

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