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 7553I have a LT of 10000mmwc range. can i use this LT in 1000mmwc range of tank?? if yes than what happened???
3 5383what is the difference between plant earth and instrument earth? and what type of cable( cable size ) used for both? and why ?
2387Post New Instrumentation Questions
How to erection of DCS Panel at site step by step
Working principle of magnetic flow meter ......and calibration procedure of e+h magnetic flowmeter...
Can anyone send most commonley asked Instrumentation questions and answers in cement industry please?
IN CONTROL VALVE SPECIFICATIONS GENERALLY TERM " DE- 200" ."DM -400"USED,, WHAT IS DE/ DM STANDS FOR?
describe flow nozzel principle?
Why all the drains(Gland sealing,ESV,Casing inlet etc) are directly connected to the flash tank instead of hotwell of the condensor in the power plant? My Email Id:naba02222@gmail.com
What is the purpose of the analyzer in petrochemical plant?
Can anybody tell me how to select the size of earthing cable for DCS & PLC system.Please tell me any relevant answer here or mail it to me.
why we take %i0.0 as input for twido plc
A flange is used for instrument connection for a system with a design temperature of 316C (600F) and a design pressure of 1000 kPa (145 psi). What is the class rating of the flange to be used for this application? Explain your answer
May I have a brief note above the voltage barriers? Whats is the purpose? Please mail me if you've operational details, mail id: rajkumar.diice@gmail.com
what does the ratio 800-400-300-200/1-1-1-1-1 in the specification of current transformer indicates?
Draw a simple circuit for a well head control panel used to protect the well against fire, leak, blockage, ESD, & controls the operation of one downhole & one surface safety valve. Explain the operation and controls
HOW TO CALCULATE ACCURACY OF AN INSTRUMENT. WHICH IS COMPITABLE FOR USE.
1.what is controller proportional gain 2.what is the controller intergral action time. 3.A proportional plus derivative controller that has a proportional band of 20% and a derivative action time of 0.1 minutes. Construct the shape of the output waveform for the triangular input if the input rises and falls at the rate of 4 units per minute.
