Answer / rajesh batham

we can make a loop system in wet leg so that pressure can be equal in both leg

Answer / varatha

no ..it won't suck. up to particular temp and pressure. we can fill by isolating the condensate pot

Answer / prashant mori

its only solution use remote diaphargm type transmitter.

or use displacer type transmitter.

What is the difference between PLC-HMI and DCS as each function of DCS based system is possible in PLC ?

2 Answers   Lucky Cement,

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why we use -ve voltage in vibration monitoring system.generally we use 4 to 20 mA as output of instrument then why we use voltage in vibration

2 Answers  

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what is the dp across a orifice plate & how much is permanent pressure across an orifice plate.

2 Answers   HPCL,

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why r using 250 resistances

6 Answers   Sabic, Samsung,

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What is the difference between relative vibration

4 Answers   Desein,

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how we will install a positioner ?

2 Answers   Descon,

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in sulfur process what is material of impulse line we use to connect with transmitter ? and does teflon affected by sulfur?

0 Answers  

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In 2 wire transmitter 1 wire is used for power and other is used for signal( 4-20)ma In 4 wire transmitter 2 wires are used for power and 2 wires are used for signal (4-20)ma . but my question is "what is the criteria or parameters we have to consider while selecting these transmitters for eg( distance, safety zones etc.

1 Answers  

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what does mean by analog output trim and where this one used for?

1 Answers  

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How can we loop powered for a transmitter.How we can do wiring

1 Answers  

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why we are using digital signals for I/O & how to measure this signals is getting or not ?

0 Answers  

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please tel me the calibration of pneumatic controler.

0 Answers  

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