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Measurement Regulations - USA OSHA

All versions of the dBadge (Standard and Intrinsically Safe) meet the requirements set out in the OSHA occupational noise regulations. To satisfy these regulations a noise dosimeter must be capable of making the following noise measurements and calculations:

The frequency and time weightings can be changed in the dBadge, but these are the measurements required for the USA OSHA regulations.

OSHA Noise Dosimeter Settings

For OSHA noise standards, the dosimeter should be set to the following:

Threshold Settings

The lower threshold level is used to measure the dose of employees whose noise exposure may exceed the 85dB(A) TWA limit.

The higher threshold level of 90 dB(A) is used to measure the noise dose of employees whose noise exposure may exceed the 90 dB(A) permissible exposure level (PEL).

It is essential to use a noise dosimeter that has an adjustable threshold level, and better still if it measures with both settings at the same time.

Dual Threshold

The dBadge has dual channels and can be set to measure with both 80 and 90 dB(A) thresholds at the same time so you don't have to make multiple measurements or use two dosimeters per person.

Please refer to the OSHA publication on Noise and Hearing Conservation, Appendix III:A-5. Dosimeter Settings.

More information about the OSHA Regulations...


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