MEASUREMENT ELEMENT DEFINITIONS Primary Sensing element Retrieves energy from the measured system Produces some form of output Strain gage, thermometer tip Variable conversion element Changes data from one physical form to another Elongation to resistance, temperature to volume change Variable manipulation element Performs mathematical operation on data Amplifier, filter Adapted from ErnestO. Doebelin, Measurement Systems Application and Design, McGraw HillMEASUREMENT ELEMENT DEFINITIONS – Primary Sensing element • Retrieves energy from the measured system • Produces some form of output ¾ Strain gage, thermometer tip – Variable conversion element • Changes data from one physical form to another ¾ Elongation to resistance, temperature to volume change – Variable manipulation element • Performs mathematical operation on data ¾ Amplifier, filter Adapted from Ernest O. Doebelin, Measurement Systems: Application and Design, McGraw Hill 6