Answer / faiyaz ahmad

Bentley neveda system used NPN transistor or NPN transistor give the negative voltage -9 volt that's why vibration probe give a negative voltage

Difference between ultra sonic flow meter

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What is feedback system.

1 Answers   CCIE,

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different between calibration range and instrument range ?

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why we are using (-24VDC) and where we r using plz tell me

7 Answers  

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GIVE BRIEF DESCRIPTION ABOUT "DCS"

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Isometric drawings are generated during _________________ phase of a project

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how feedback signal frm rtd can be use for 2 purpose, i.e. 1for local monitoring and 2nd for controlling in dcs.so how many wired RTD can be used

1 Answers  

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how to control motor load with rpm or vfd

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what is the difference between DELTA-V & FOUNDATION FIELD BUS

4 Answers  

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the output of the common trasmitter protocol in qatar gas are the following

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Is it possible to convert 4 wire transmitter to convert to 2 wire with additional relay.Please send detial with drawing,i will appreciate.

2 Answers  

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i have 80cm water tank.how can i use DPT as level mesurment.pls give specs for that..? We have air comp.from that moisture comeout to one tank.i want to mesure level of water in that tank and then after operat one sov to dicharge water after high level.

1 Answers  

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