Skip to Primary Navigation Skip to Site Navigation Skip to Main Content All 3M.com Site Map

Hearing test are necessary a part of any hearing conservation program. Audiometers must be precisely calibrated in order to accurately detect hearing loss at an early stage and to protect against needless industrial compensable hearing loss.

Suitable Applications

  • Daily Biological Testing
  • Audiometer Calibration
  • Hearing Test Booth Background Checks
  • Manual Hearing Test Booth Background Checks
  • Automatic Hearing Test Room Background Checks
  • Manual Hearing Test Room Background Checks
  • Audiometer Performance Analysis
Audiometric Analyzer AA-175

Audiometric Analyzer AA-175

AA-175 Audiometer Analyzer can be used with all Quest sound level meter-based Audiometer Calibration systems to verify the calibration and performance of audiometers

  • Large LCD and keypad allows for easy viewing of results and input of information
  • Simple operation provides wide variety of measurements, including
    • Sound pressure leve
    • Fruquency
    • Harmonic distortion
    • Linearity
    • Pulse width
    • Overshoot
   
Bio-Acoustic Simulators BA-202

Bio-Acoustic Simulators BA-202

Consistent and dependable simulators eliminates problems and disadvantages inherent with using a human subject for daily biological check of audiometers

  • Designed to be lightweight and portable for easier usage
  • Flexibility with manual, automatic and microprocessor audiometers
  • Monitor background noise in octaves
  • Can be used with normal earphones
   
261 Sound Level Detector/Controller

261 Sound Level Detector/Controller

Model 261 Sound Level Detector/Controller is a sound activated switch used to monitor noisy areas or events and indicate when ambient noise has reached potentially hazardous levels

When the threshold activation level has been reached, the output can control a sign alerting those exposed or it also can be used to control machinery or other powered equipment

  • Adjustable controls can be used to set 2 activation point at any level between 55 dB and 110 dB
  • Suggested Applications
    • Work Area Noise Level Alarm
    • Power Machinery Shut Down
    • Production and Process Control