A daily functional check of audiometer performance in which a person with known stable hearing thresholds tests the audiometer at all configured frequencies and compares results against their personal baseline. A deviation of 10 dB or more at any frequency requires acoustic calibration. Satisfies OSHA’s requirement for a functional operation check before each day’s use. (29 CFR 1910.95(h)(5)(i))
SHOEBOX: SHOEBOX PureTest’s daily calibration workflow guides the examiner through the biological verification step and logs the result as compliance documentation.
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