Why we using 250ohm resistance during lab calibration and why not using in field in one plz define deeply???

1 Answers   Cisco,

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OBJECTIVE TYPE QUESTIONS OF ANALYTICAL INSTRUMENTATION

0 Answers   Fauji Fertilizer, GSECL, NFL, Power Plant,

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I installed the smartplant instrument v8, but can not be opened, that always said: "INTools 2007 hardlock no found". So Could you help me how to do for that?

0 Answers   SRAAC,

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units of pressure,flow, level,temperature? principle of pressure gauge? calibration of pressure tx., level tx., temperature tx.flow tx.? description of two wire ,three wire and four wire R.T.D.? WHAT IS INPUT AND OUTPUT OF TX.? WHAT IS INPUT AND OUTPUT OF R.T.D. AND THERMOCOUPLE? WHAT IS HOT LOOP AND COLD LOOP? WHAT IS INPUT AND OUT PUT AND OUTPUT OF D.C.S. AND P.L.C.? PRINCIPLE AND WORKING OF HART? WHAT IS PNP AND NPN PROXY? CALIBRATION OF PRESSURE ,LEVEL ,FLOW SWITCH? DESCRIPTION OF FIELDBUS FOUNDATION? WORKING OF SOV.?

2 Answers  

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What is cascade control in process instrumentation?

4 Answers   Engineers India, ITC Infotech,

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explane hart protocol? what is its advantages.

3 Answers   Jindal,

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what is solenoid valve?

1 Answers  

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how to check electrical health of vibration probe?

1 Answers  

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What is NAMUR standard and why its allways reletad with Sollenoid

2 Answers  

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What is hook's law

4 Answers  

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how to calculate MMWC values in to Tonns(MMWC values showing in DP transmitter and Tonns value showing in Totalizer). please tell me details?

2 Answers   Chemin C I, MSP,

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how u meassure a room temp?in rtd or themo couple?

4 Answers  

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