what is air to open and air to close control valve and difference btwn this...and how to measure milli amp by this...and what is the role of positioner and i/p converter in this..plz help me

2 Answers   HCL, SOC,

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What is the live zero and dead zero

2 Answers   Samsung,

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EXPLAIN PROPOTIONAL INTEGRAL DERIVATIVE CONTROL ACTION?

1 Answers  

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what is zero trim and span trim?. at which problem we need to use this?

3 Answers  

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describe yourself?

1 Answers   TCS,

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how to calibrate absolute pressure transmitter

7 Answers   ABB,

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i am confusing about differential pressure transmitter as i seen so many DPTs in different ranges how can we calculate level and flow with mmh20 plz tel me

1 Answers  

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

0 Answers  

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What does PCU means with respect to Dead Weight Tester?

1 Answers   SGS,

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What is instrumentation instrumentation engineering?

0 Answers  

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What is cascade control in process instrumentation?

4 Answers   Engineers India, ITC Infotech,

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What is mean by AC voltage and DC voltage

2 Answers  

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