Definitions for "CALIBRATOR"
Keywords:  traceable, nist, meter, tone, specimens
A sound generator that produces a tone at a precisely controlled frequency and amplitude.
a device intended for medical purposes for use in a test system to establish points of reference that are used in the determination of values in the measurement of substances in human specimens
a device that produces a single frequency tone at a standard sound pressure level and are most often used to calibrate sound level meters