SE-401 & SE-402

TSI Quest SE-401 & SE-402 Sound Examiner Sound Level Meters

Code: SE-401 & SE-402
  • Red models have Intrinsic Safety approvals
  • An intuitive interface allows for out-of-box use
  • Averaging functionality

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The Sound Examiner will measure noise levels in highly variable environments, with intrinsically safe (IS) versions available for monitoring hazardous areas. These meters compute the average sound pressure level (LEQ/LAVG) over the run time, helping you more accurately assess occupational and environmental noise levels.

Instruments are available in Class/Type 1 and Class/Type 2 models. The SE-401 and SE-402-R models feature a removable preamp to support remote monitoring. All models are ready to use with no setup required.

TSI Quest Sound Examiner SE-400 Sound Level Meters are an excellent solution for a variety of applications, including:

  • Occupational noise evaluation, including hazardous locations
  • Environmental noise assessments
  • General acoustic analysis
  • Machinery and equipment noise evaluations

The IS versions are no longer available alternatives here.

Sound Examiner Sound Level Meters 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 + + +
Class/Type 2 Accuracy + + +
Class/Type 1 Accuracy + +
Remote capability with removable preamp + +
Intrinsic Safety approvals + +

Sound Examiner contentsFeatures & Benefits

  • Conformance to Standards | Meets IEC 61672-1 (2002) and ANSI S1.43-1997 (R2007) standards and is CE certified. Intrinsic Safety approvals on SE-401-IS and SE-402-IS.
  • Detection Management Software | Offers a variety of functionality, allowing the ability to intuitively interpret measurements and generate reports for export and sharing of results.
  • Choice of Microphones | User can specify microphone type (Class/Type I or Class/Type II) based on application. Select Type II for general duty and Type I for higher accuracy applications.
  • Removable Preamp (SE-401 and SE-402-R models) | Preamp can be easily removed to enable interference-free low-level monitoring, especially for remote use.
  • Aerodynamic Shape | Minimises disturbance to sound fields being measured, ensuring accurate readings.
  • Onboard Data Logging allows the User to capture maximum, minimum, and peak values at intervals down to 1 second for thorough analysis. TSI Quest Detection Management Software can be used to manage compliance with hearing conservation programs.
  • Conformance to Standards | Meets IEC 61672-1 (2002) and ANSI S1.43-1997 (R2007) standards and is CE certified. Intrinsic Safety approvals on SE-401-IS and SE-402-IS.
  • Detection Management Software | Offers a variety of functionality, allowing the ability to intuitively interpret measurements and generate reports for export and sharing of results.

Historic brand 3M.

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Title Size
se-400 Brochure 266 KB
se-400 QuickStartGuide 239 KB

Additional information

Weight 0.09 kg

Ordering Information

Included with each Sound Examiner Sound Level Meter is a microphone, USB cable, USB power supply, WS-7 windscreen,
calibrator adapter for 1/2″ microphone and storage case. Meters with -AC3 include the AC-300 calibrator. -IS indicates the
meter is intrinsically safe. -R indicates the microphone comes with remote option. SE-402 meters come with Class 2
microphones, SE-401 meters come with Class 1 microphones.

SE-402 Sound Examiner SE-402
SE-402-AC3 Sound Examiner SE-402-AC3 – Includes meter, AC-300 calibrator, Class 2 Microphone, 053-575 USB cable, meter, 053-321 USB power supply, 059-344 WS-7 windscreen, 056-990 calibrator adapter and 053-711 storage case.
SE-402-IS Sound Examiner SE-402-IS – Includes Intrinsically safe meter, Class 2 Microphone, 053-575 USB cable, 053-321 USB power supply, 059-344 WS-7 windscreen, 056-990 calibrator adapter and 053-711 storage case.
SE-402-IS-AC3 Sound Examiner SE-402-IS-AC3 – Includes Intrinsically safe meter, AC-300 calibrator, Class 2 Microphone, 053-575 USB cable, meter, 053-321 USB power supply, 059-344 WS-7 windscreen, 056-990 calibrator adapter and 053-711 storage case.
SE-402-R Sound Examiner SE-402-R – Includes meter, Class 2 Microphone with remote option, 053-575 USB cable, meter, 053-321 USB power supply, 059-344 WS-7 windscreen, 056-990 calibrator adapter and 053-711 storage case.
SE-402-R-AC3 Sound Examiner SE-402-R-AC3 – Includes meter, AC-300 calibrator, Class 2 Microphone with remote option, 053-575 USB cable, meter, 053-321 USB power supply, 059-344 WS-7 windscreen, 056-990 calibrator adapter and 053-711 storage case.
SE-401 Sound Examiner SE-401 – Includes meter, Class 1 Microphone with Remote Option, 053-321 USB power supply, 053-575 USB cable, 059-344 windscreen, 056-990 calibrator adapter and 053-711 storage case.
SE-401-AC3 Sound Examiner SE-401-AC3 – Includes meter, AC-300 calibrator, Class 1 Microphone with Remote Option, 053-321 USB power supply, 053-575 USB cable, 059-344 windscreen, 056-990 calibrator adapter and 053-711 storage case.
SE-401-IS Sound Examiner SE-401-IS – Includes Intrinsically safe meter, Class 1 Microphone, 053-575 USB cable, 053-321 USB power supply, 059-344 windscreen, 056-990 calibrator adapter and 053-711 storage case.
SE-401-IS-AC3 Sound Examiner SE-401-IS-AC3 – Includes Intrinsically safe meter, AC-300 calibrator, Class 1 Microphone, 053-575 USB cable, meter, 053-321 USB power supply, 059-344 windscreen, 056-990 calibrator adapter and 053-711 storage case.
SE-ACC-CERT Sound Examiner Accredited Certificate of Calibration for a newly purchased unit.

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