why level transmitter input is given 4to20ma

2 Answers   Sabic,

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what is the input of digital counter during the the calibration time?

0 Answers  

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Q- voltage source of 12v is driving the circuit.if circut draw the current of 0.5A them source voltage will became 11.8v.what is the power dilevered by source when circuit draw 5A current ?

4 Answers   Ecil,

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what is the function of a zener diode ?

2 Answers   Honeywell,

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What is Cavitation in a control valve?

0 Answers   CCIE, KN,

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Which buffer solution is used for PH transmitter calibration?

3 Answers  

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hi i am eswar i want to know the instrumentation interview questations for eil(engineers india ltd) i have applied for engineer post in eil please help in this.my mail id eswar310@gmail.com

0 Answers  

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Describe all types and levels (4-20mA, 0-10V, mV, pulse, etc.)of analog and digital I/O used in process control application.

2 Answers   Jindal,

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what is the difference between plant earth and instrument earth? and what type of cable( cable size ) used for both? and why ?

0 Answers  

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why is not useing in boiler skin thermocople

1 Answers   KNPC,

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In dcs contol valve parameters showing like this Gain=1 or 2 , ti=7 sec, td=20sec. But temp,pressure,level control valves we are using in which type parameter side using ti,td clearly tell me

1 Answers  

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What is the difference between dry contact and wet contact?

2 Answers  

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