List three types Level Switches with their working principles

0 Answers  

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What is 3 selection available when configure the burnout protection for controller

0 Answers   EI Electrotechnical Institute,

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If a flow transmitter (magnetic type FT) that can measure flow and temperature, then why in some industries people use flow transmitter and temperature transmitter in the same line 1 after another? Even after 1 single flow FT is capable of measuring flow as well as temperature.

1 Answers   Process Control Technologies,

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Where are use of pressure,level,flow switches?and what is input and output

3 Answers  

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I work on a electronic positioner transmitter 4211 at the field.I connect my multimeter in series to get the current output then I calibrate it to 4ma in 0% of position of the valve and 20ma in 100% position of the valve.My problem is in the field I get the correct output current based on my multimeter but in the dcs they only receive 40% in a output 20ma of this positioner.Then I try to simulate in this analog card and they receive the equivalent percent on the value that I simulated.Is ther any possibility to reset the zero and span of this positioner 4211 fisher.And what other possibility I can do to fixed this.This is my email add ( landicho_randy@yahoo.com )

4 Answers  

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what is KV and XV valve

0 Answers  

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what is commissioning & pre commissioning , explain with difination

2 Answers   Bapco Bahrain Petroleum Company, Shell,

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what is diff b/w neutron and ground?

3 Answers  

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Explain the thermocouple and RTD?

1 Answers  

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what is the difference between SCADA and DCS?

5 Answers   ACC,

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Please can anybody help for control valve sizing step by step procedure?

0 Answers  

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Absolute pressure is 700psi,what will be the gauge pressure?

1 Answers   IFFCO,

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