Industrial Hygiene / Environmental Monitoring

3M (Quest) Sound Examiner Sound Level Meter

The Sound Examiner SE-400 series of sound meters are engineered to accurately measure noise levels in highly variable environments. These advanced instruments compute the average sound pressure level (LEQ/LAVG) over the run time, helping you more accurately assess occupational and environmental noise levels.


  • Variable, user-selectable data logging intervals with user-determined measurement parameters
  • Long battery life
  • All models ship ready-to-use, no setup necessary
  • Meets IEC 61672-1 (2002) and ANSI S1.43-1997 (R2007) standards and is CE certified.
  • Intrinsically Safe models available