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Sound Examiner Sound Level Meters SE-400 Series

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The Sound Examiner Sound Level Meters SE-400 Series are engineered to accurately measure noise levels in highly variable environments, including those that require IECEx and ATEX instrinsically safe approvals.

Product Details

These meters compute average sound pressure level (L EQ/ L AVG ) over the run time, helping you to more accurately assess occupational and environmental noise levels. All models are ready to use with no set-up required. 


  • Red models have IECEx UL 13.0006X, Class I, Division 1, Groups C and D; DEMKO 13 ATEX 1210031X approvals
  • Intuitive interface allows for out-of-box use with little to no training
  • User selectable data logging intervals for download and analysis with TSI Quest Detection Management Software (sold separately)
  • Averaging functionality allows for easy measurement in variable environments
  • Printing capability with optional digital printer* provides hard copy documentation in the field
  • Choose from models with Class/Type 1 or Class/Type 2 microphones, dependent on your application
  • SE-401 and SE-402-R models include removable preamp
  • Meets applicable industry standards
  • Useful tool as part of a Hearing Conservation Program; be confident that data collected is accurate


  Sound Examiner SE-401 Sound Examiner SE-402 Sound Examiner SE-402-R Sound Examiner SE-401-IS Sound Examiner SE-402-IS
DMS Compatible + + + + +
Data Logging + + + + +
External AC/DC output + + +    
Serial printing for SoundPatrol feature + + +    
Class/Type 2 Accuracy   + +   +
Class/Type 1 Accuracy +     +  
Remote capabilty with removeable preamp +   +    
IECEx and ATEX approvals       + +

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