Answer / shajee

4-20 ma signals and 1 to 5 volts used instruments

Answer / animesh

4 -20ma=1-5vdc
we use 250ohmresistor
so1v/250ohm=4ma
&5v/250ohm=20ma

Answer / vijayrathod

analog signal and digital signal

model question paper of instrumentation for Jindal GET 2010.plz reply sudhanshukumar08@yahoo.com

0 Answers   Jindal,

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where cascade loop use ?

0 Answers   KNPC, KOC,

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Tell me about PID Tuning and what is PID.

4 Answers  

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explain how magnetic flowmeter works

1 Answers  

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what is the difference between Digital output DO signals /Commands for start/stop and Solenoid valves ??

1 Answers  

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If Solenoidal valve works in manual mode but not in Auto mode. What should be the problem?

8 Answers   Bharathi Cement, Titanium,

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how to calibrate TT transmitter

3 Answers  

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how can i calibrate I/P converter

4 Answers  

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1.what is beta in control valves? 2.what is the condition followed by light in LASERs? 3.1kg/cm2=?psi 4.Integral action reduces what? 5.about vena contracta 6.a simple RC circuit 7.thermistor material's temp coefficient of resistance 8.if wave passes through the thicker area of a chord to a thinner area what changes will occur to wavelength? 9.if 4-20 mA represents 0-10 kg/cm2 what will be the current when pressure is 5 kg/cm2.................

0 Answers   Lurgi,

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why we use 0.2 to 1.0 kg/cm2 output in control valve

4 Answers   GNFC,

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What is the IEC Standard for PLC I/O Terminal wiring Procedure?

1 Answers  

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flow transmitter range is 0 -500 mmwcc but the transmitter shows 12 ma for o mmwc instead of 4 ma ...how to solve this problem when we apply 375 mmwc it shows 16 ma

3 Answers  

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