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49 CFR § 227.111 - Audiometric test requirements. | CFR | US Law …
https://www.law.cornell.edu/cfr/text/49/227.111#:~:text=1%20%281%29%20The%20functional%20operation%20of%20the%20audiometer,ANSI%20S3.6-2004.%20...%203%20%283%29%20Exhaustive%20Calibration.%20
1910.95 App E - Acoustic calibration of audiometers ...
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.95AppE
When any of the measured sound levels deviate from the levels in Table E-1 or Table E-2 by + or - 3 dB at any test frequency between 500 and 3000 Hz, 4 dB at 4000 Hz, or 5 dB at 6000 Hz, an exhaustive calibration is advised. An exhaustive calibration is required if the deviations are greater than 15 dB or greater at any test frequency.
Audiometer Calibration Standards Flashcards | Quizlet
https://quizlet.com/244322356/audiometer-calibration-standards-flash-cards/
audiometers are normally calibrated to the? most current transducer reference threshold values if a unit is older than 2010, are you allowed to not calibrate it to past standards? YES- if you have an audiometer from 1989 (GSI 16) then it is not able to be calibrated past the ANSI 1989 standards. So you would calibrate it to 1989
Audiometer Calibration Standards | Products & Suppliers ...
https://www.globalspec.com/industrial-directory/audiometer_calibration_standards
Supplier: ISO – International Organization of Standards. Description: ISO 389-5:2006 specifies reference equivalent threshold sound pressure levels (RETSPLs) of pure tones in the frequency range from 8 kHz to 16 kHz applicable to the calibration of air conduction audiometers for specific earphones. Supplier Catalog.
Audiometer calibration: interpreting and applying the ...
https://pubmed.ncbi.nlm.nih.gov/11081756/
Audiometer calibration: interpreting and applying the standards A degree of judgement is required when applying the British Standard associated with the calibration and performance of audiometers, BS EN 60645-1 (IEC 645-1). Consequently there is potential for variation of practice between calibration agencies.
49 CFR § 227.111 - Audiometric test requirements. | CFR ...
https://www.law.cornell.edu/cfr/text/49/227.111
(d) Audiometer calibration. (1) The functional operation of the audiometer shall be checked before each day's use by testing a person with known, stable hearing thresholds or by appropriate calibration device, and by listening to the audiometer's output to make sure that the output is free from distorted or unwanted sounds. Deviations of 10 decibels or greater require an acoustic …
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