Noise Measurement and Acoustic FAQ

The answers to frequently asked questions about sound level meters and noise dosemeters and their use in various noise measurement applications.

Sound Level Meter Functions

• "Type" or "Class" of a Sound Level Meter
• What is a Sound Level Calibrator?
• Frequency Weightings - A-Weighted, C-Weighted or Z-Weighted?
• Time Weightings - Fast, Slow or Impulse?
• Sound Level or Leq?
• Maximum, Minimum and Peak
• Octave and 1/3 Octave Band Filters
• What is Reverberation Time?

OSHA Occupational Noise Regulations

• OSHA Noise Regulations
• TWA - Time Weighted Average Sound Level

Question not answered? Please email your request to info@noisemeters.com.

Other Sources of Information from Noise Meters

• Noise Measurement Books
• Useful Links
• Sound Level Meter Standards