Safety Technician how-to

How to Measure Noise Exposure with a Dosimeter

Dosimeters show whether workers need hearing protection and a hearing conservation program.

Updated By the Career Education Institute Curriculum Team
Quick answer

Dosimeters show whether workers need hearing protection and a hearing conservation program. In short: calibrate; explain; clip, then complete the remaining steps below.

Step by step

  1. Calibrate the dosimeter before use.

  2. Explain the purpose to the worker.

  3. Clip the microphone near the worker’s ear on the shoulder.

  4. Record start time and tasks during the shift.

  5. Collect the dosimeter and recalibrate.

  6. Compare the results to OSHA action levels and limits.

Safety reminders for safety technicians

  • Wear the PPE required in every area you inspect
  • Never enter confined spaces without a permit and monitoring
  • Stay alert around moving equipment during inspections
  • Model safe behavior at all times

Hazard · OSHA 300 log · Recordable injury · Near-miss · JHA · PPE: see the full safety technician glossary.

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