Table 1.

Biomedical Instrumentation to Measure Pressures^a

Component	Definition
Transducer	Device that senses an event and converts to electrical signals
Signal conditioning equipment	Processes the signal to that it can be understood or interpreted. May involve amplification of the signal and/or modification of the signal to reduce extraneous “noise”
Display	Converts the electrical signal into a form that can be interpreted by the practitioner/researcher; oscilloscope is commonly used
Recording and data-processing equipment	Device to store and/or record signals; includes recorders and computers

^aBased on Stone and Frazier¹ and Ganz and Pugh.²