Sound Examiner SE-402 Type 2 by TSI Quest - Datalogging Integrating Sound Level Meter

Area Monitoring Datalogging
Sound Level Meter Manufacturer: TSI Quest
Sound Examiner SE-402 Type 2 by TSI Quest - Datalogging Integrating Sound Level Meter
Sound Examiner SE-402 Type 2 by TSI Quest - Datalogging Integrating Sound Level Meter
Sound Examiner SE-402 Type 2 by TSI Quest - Datalogging Integrating Sound Level Meter

The TSI Quest Sound Examiner SE-402 is a Type 2 (ANSI S1.4 / IEC 61672-1 Class 2) integrating datalogging sound level meter with a 30–140 dB measurement range and a 50+ hour battery life, designed for accurate noise measurement in occupational and environmental settings. It calculates and datalogs average SPL (Leq), maximum, minimum, and peak values over the run period, making it a reliable tool for hearing conservation programs and OSHA compliance assessments.

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$305.00
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Sound Examiner SE-402 Type 2 by TSI Quest - Datalogging Integrating Sound Level Meter
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What is the TSI Quest SE-402 used for?
The SE-402 is a Type 2 (Class 2) integrating sound level meter used for occupational noise surveys, OSHA 1910.95 workplace noise compliance measurements, and general purpose noise investigations where Type 1 precision is not required. It measures Leq, Lmax, Lpk, and provides datalogging for time-history noise analysis.
What distinguishes the SE-402 from the SE-401-IS?
The SE-401-IS is an intrinsically safe Type 1 SLM for hazardous classified locations. The SE-402 is a Type 2 instrument for non-classified environments. If your survey is in a standard industrial, commercial, or construction setting (not ATEX/Class I classified), the SE-402 provides the accuracy needed at lower cost.
Is Type 2 accuracy sufficient for OSHA occupational noise compliance surveys?
Yes. OSHA 1910.95 and 1926.52 explicitly accept Type 2 (Class 2) sound level meters for noise compliance measurements. Type 1 is required only when community noise ordinances, legal submissions, or precision engineering studies demand the higher accuracy class.
Does the SE-402 support octave band frequency analysis?
The SE-402 is a standard integrating SLM without octave band analysis. For frequency-resolved measurements (1/1 or 1/3 octave), the TSI Quest SoundPro Type 1 or Type 2 with octave band option is available from RAECO Rents.
How does the SE-402 transfer data for reporting?
The SE-402 transfers data via USB to TSI Detection Management Software (DMS) for report generation and time-history graphing.
What is the SE-402 rental rate from RAECO Rents?
Contact RAECO Rents at 866-736-8347 for current SE-402 daily and weekly rental pricing. Rental includes the SLM, microphone, windscreen, calibrator, DMS software, and case.

Exposure Hazards This Equipment Detects

Noise (dBA)

CAS: N/A
Learn More
Updated on March 09, 2026
PEL TWA
90 dBA
REL TWA
85 dBA
TLV TWA
85 dBA

Features & Capabilities

Calibration Certificate Available: ✓ Yes
Datalogging: ✓ Yes
Monitoring Scope: Area Monitoring

Equipment Specifications

  • Standards Compliance:ANSI S1.4 Type 2, IEC 61672-1 Class 2, ANSI S1.43, IEC 61252
  • Measurement Parameters:SPL, Leq/Lavg, Lmax, Lmin, Lpeak
  • Frequency Weightings:A, C, and Z
  • Time Weightings:Fast (125ms), Slow (1s), Impulse (35ms)
  • Measurement Range:30-140 dB
  • Dynamic Range:>110 dB
  • Frequency Range:20 Hz to 20 kHz
  • Memory:Non-volatile storage for up to 100 measurements
  • Microphone:½" prepolarized electret condenser microphone
  • Power Supply:2 AA alkaline batteries
  • Battery Life:50+ hours (backlight off), 20+ hours (backlight on)
  • Auto Shutdown:User-selectable
  • Operating Temperature:14°F to 122°F (-10°C to 50°C)
  • Operating Humidity:10% to 90% RH, non-condensing
  • Dimensions:7.6" x 2.8" x 1.3" (19.3 cm x 7.1 cm x 3.3 cm)
  • Weight:Approximately 8.5 oz (240g) with batteries

Kit Contents

SE-402 Sound Examiner, AC-300 Calibrator & ½” Microphone Adapter, Windscreen, A/C Power Cable with Mini-USB Connection, Mini USB Cable, Wrist Strap (Optional, may not be included), (1) Spare 9v Battery, Phillips Head Screwdriver for AC-300 Battery Replacement, Calibration Certificates (Emailed), Flash Drive with Software and Manuals

Manufacturer Resources

Documents

User manuals, safety guides, and technical documentation from the manufacturer:

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