Showing posts with label Basic instrumentation. Show all posts
Showing posts with label Basic instrumentation. Show all posts

Sunday, March 5, 2017

What is in lbf?



Pound force inch is a torque measurement unit. A pound force inch (lbf-in) is a non-SI (non-System International) measurement unit of torque.OT? TT? 1 pound force inch = 112.984829 newton millimeters.

What is a PSIA?



A pressure gauge reading in psi (red scale) and kPa (black scale) ... Therefore, 1 atmosphere is approximately 14.7 pounds per square inch. Pounds per square inch absolute (psia) is used to make it clear that the pressure is relative to a vacuum rather than the ambient atmospheric pressure.

What is PSID in pressure?




The textbook definition is that. "Since atmospheric pressure at sea level is around 14.7 psi, this will be added to any pressure reading made in air at sea level. The converse is pounds per square inch gauge or pounds per square inch gage (psig), indicating that the pressure is relative to atmospheric pressure."

What does psig mean?



The textbook definition is that. "Since atmospheric pressure at sea level is around 14.7 psi, this will be added to any pressure reading made in air at sea level. The converse is pounds per square inch gauge or pounds per square inch gage (psig), indicating that the pressure is relative to atmospheric pressure."


 

Friday, February 24, 2017

Instrumentation

 

It is the branch of engineering which deals with the measurement, monitoring, display etc. of the various of energy exchanges which take place during process operations. "In short Instrumentation is the study of Instrument."

 

INSTRUMENT :

 

Instrument is a devices which is used to measure, monitor, display etc. of a process variable.