what is the difference about HART, and 4-20mA signal?

8 Answers  

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how to check electrical health of vibration probe?

1 Answers  

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What is the difference between pneumatic and electro pnematic positioner?

3 Answers   TCS,

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why in vortex flow transmitter dcs range is configuring less than sensor range. eg (sensor range 500-25000 kg/hr and dcs range 0-24000 kg/hr).

1 Answers   Daelim,

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i am going to attend ongc exam this coming june for Graduate Engineer Trainee post if anybody knows the question pattern or have experience plz share it with me

3 Answers   ONGC,

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Why we are using thrust bearing at turbine side?

3 Answers   Edac,

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What is the difference between Error and Offset.

1 Answers  

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How d.p. Transmitter can be applied to close tank?

0 Answers  

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what is diff between the centrifugal and reciprocating

2 Answers  

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What is shriking and swell effect for a boiler ?

1 Answers  

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How to calibrate a temperature transmitter & how a Cold junction Compensation will be carried out?

2 Answers   QAFCO,

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What is sensitivity in vibration probes..?

0 Answers   Lanco,

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