How to Calibrate Ultrasonic flow Transmitter in Field

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I have energy meter for educational project having 0.5s class but my friend need 0.2s class meter , which one is good for that purpose and what is the actual difference of that two classes , need very easy example also.??

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what is surge and how is it prevented, what is the purpose of bypass valve across AS valve.

1557

field bus transmitter calibration procedure tell me

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how to calibrate 0- 150 psi presure gauge by dead weght tester

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Area classification, Equipments, Gas groups, temperature classification, Ingress protection, Fire Extinguishers.

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i have steam drum height 1000mm. and i want to placed the transmitter below the tap.how i calculate.

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What is wet leg condition and why is it used?

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i hav applied for the post of engg. in iocl so please require the past test papers fro instrumentation engg please please help me and send me the papers or tell me the pattern and type of ques asked in examination......

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flow transmitter formula?

2351

describe flow nozzel principle?

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what different types of problems do occur while doing instrumentation commisioning and how to solve them? please explain in detail

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Draw a group of instruments interlocked to a Pump & Motor?

634

what is Best Among SINK Or SOURCE Type Design In Digital Signal, Either Iput Or Output? WHY?Can any one..

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where i can get training in INTOOLS and PDMS in Delhi-NCR OR north part of India. please reply with ur ans. at arunsamkaria@ymail.com

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