Answer / varatha

transmitters analog input,
control valve analog output,
Limit switches digital input, like motor on
command digital output.

Answer / king khan

Yes

we have LPG spherical Tank and we want to install DP Xmtr for level measurement.below are the physical measurements Total height of tank is 1850 mtr but 0% level is 1000mm above bottom and 100% level is 450 below upper side.What is the LRV and URV and please mention the formula .The SG of LPG is 0.53 and Wet Leg method will be used.

7 Answers  

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Why we used cage in control valve?

8 Answers  

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How do you identify an orifice in the pipeline?

0 Answers  

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How d.p. Transmitter can be applied to close tank?

0 Answers  

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what r the different types of instrumentation cables? give their specification?

3 Answers  

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Whether the DI, DOs shields can be connected with Analog Input Shield Earthpit?

0 Answers  

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what are the different types of terminal lugs used for wiring termination?

5 Answers   Yokogawa,

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Are Coils of Electromagnetic flowmeter in direct contact with fluid material

4 Answers   TATA,

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how to use one 4-20mA signal for two indicater or controller & give necessary precaution.

2 Answers  

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What is offset in a control system.

2 Answers   Sabic,

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Yokogawa mass flow meter shows negative reading...what r the main causes for this problem?...

3 Answers   IOCL,

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how to calibrate pressure gauge(we can not able to fixed by pointer screw adjustment and pointer re fixing method)

2 Answers   Nestle, Reliance,

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