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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Tyes of interface level measurement and how to use that technique for interface level measurement,

0 Answers  

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Can we place a Control Panel in Hazardous area Group IIC ? If 'yes' then is there any approval required? If 'yes' then there is any specific IP rating or any standard required? If 'Yes' What is MOC of control panel?

2 Answers  

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what are the values of fuel flow rate in various places in boiler.

0 Answers  

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1.how can calibration temperature transmitter and flow transmitter? 2.

0 Answers   Gulf Jobs,

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What should we do when Fisher Fieldvue DVC2000 give some out put air at 4mA bt at that i need no out put

1 Answers  

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What FLOW METER generally used in Gas plant?

5 Answers   Gasco,

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We are used CENTUM CS3000 of YOKOGAWA. please tell me how to simulate wihtout FCS and vnet.

1 Answers  

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what is the input of conductivity sensor and meter during the calibration time and what is the output?

2 Answers  

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What is the difference between pneumatic and electro pnematic positioner?

3 Answers   TCS,

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Describe all types and levels (4-20mA, 0-10V, mV, pulse, etc.)of analog and digital I/O used in process control application.

2 Answers   Jindal,

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how we calculate the range of flow from a dp?i mean if we have a dp,3810mm h2o.how much flow ranges we can use for this DP?

1 Answers  

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