30-10-2014, 11:09 PM
Anna University , Chennai
Department of B.E-Electronics and Instrumentation Engg
Fourth Semester
EI2251 Industrial Instrumentation - I
Unit 1 Lecture Notes
(Regulation 2008)
Instrumentation:
“The art and science of measurement and control of process variable within a production or manufacturing area”
Instrument:
“An instrument is a device that measures and/or regulates physical quantity, process variable such as flow, temperature, level, pressure”.
Measurement:
“The act or result of comparison between a given quantity & a standard quantity (benchmark) chosen as a unit”
Measurement methods:
Direct method
Deflection type
Comparison type
Indirect method
Attachment : [attachment=17928]