Answer / jspatel

One should confirm whether it is isolated and drained

Answer / ahmedallam

verify the instrument with technical data sheet and spec

Answer / fazil

one should have work permit..operator will control the signal manually.. close primary valve and manifold also
drain existing liquid or gas by drain plug.

remove termination and glanding also tape it to avoid short.then you can remove instruments

Why we use 250 ohm resistor in series with HART protocol communication?

13 Answers   Chemtrols, Instec, Sabic,

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how can i calibrate E & h make conductivity transmiter . unit : mocro siemens Range :0 to 100 micro siemens sensor : capacitive type

1 Answers  

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What are the materials available to prepare individually for competetive exams in Instrumentation field? Plz reply...

0 Answers  

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few questions on RS 232,1 question on relationship of impedance and turns ratio, many questions on flowmeters

0 Answers   Monnet,

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What is the Differance between Graphics And SCADA Graphics? SCADA Graphics have less access?

3 Answers   Honeywell, Thermax,

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difference between transducer and converter in instrumentation

4 Answers  

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What is Erosion in a control valve?

0 Answers   CCIE, Fisher,

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kindly tell where orifice,nozzle,air foil,ventury used in flow measurement?

1 Answers  

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Can combine control system for Emergency control system (ESD)and Fire & Gas System ( F & G) is possble to built and offer to client? Can such system is as per Norms in India?

0 Answers  

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Can all intrinsic safe transmitters are provided with inbuilt zener barriers? why

2 Answers  

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Draw a simple circuit for a well head control panel used to protect the well against fire, leak, blockage, ESD, & controls the operation of one downhole & one surface safety valve. Explain the operation and controls

0 Answers  

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full process of gas turbin?

0 Answers  

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