TSI Quest Sound Examiner Sound Level Meter SE-400 Series

TSI Quest Sound Examiner Sound Level Meter SE-400 Series

Guardian2 Boundary Multi-Agent Monitoring Station

Guardian2 Boundary Multi-Agent Monitoring Station

EDGE 4 Plus Personal Noise Dosimeter

The Edge 4+ Personal Noise Dosimeter features a color screen. The measurement settings can be programmed to test for compliance to various government or association standards including OSHA PEL, OSHA Hearing Conservation, ACGIH, MSHA, and country-specific regulations. 


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The Edge 4+ Noise Dosimeter allows users to monitor personal noise exposure levels in real-time. The ability to monitor from a safe distance allows workers to continue tasks without interruption in a variety of workplace environments.



  • Battery life - 40+ hours
  • Microphone - 1/4 inch pre-polarized condenser (electret) field replaceable threaded microphone
  • Measuring Range - 70 dB - 140 dB
  • Dosimeter - Two independent dosimeters
  • Convenient Presets – Preprogrammed to OSHA and ACGIH standards
  • Frequency weighting – A, C, Z
  • Independent Exchange Rates - 3 dB, 4 dB or 5 dB

Features & Benefits:

The Edge 4+ Personal Noise Dosimeter is a powerful and intuitive instrument designed for identifying hearing loss threats. 

  • Compact, 3-ounce (85 grams) unit mounts easily to the shoulder
  • Large color OLED display for easy reading
  • LED dose indicator flashes when dose level has been exceeded
  • Equipped with two independent dosimeters that can simultaneously measure against separate industry standards 
  • Configurable auto display shut off for increased battery life
  • Preprogrammed to OSHA Standards - measure against OSHA compliance regulations
  • Lockout Ability - Prevent users from inadvertently terminating a study
  • Detection Management Software - Configure dosimeter as well as intuitively interpret measurements and generate reports for export and sharing of results 

Industry Applications:

  • Manufacturing
  • Safety Consultants
  • Government
  • Energy/Utility
  • Airports
  • Theme Parks and Entertainment Facilities

Kits Include:

  • Extra windscreen
  • Calibrator microphone adapter
  • Hard plastic carrying case
  • Quick start guide
  • Product manual on USB
  • Docking Station

* Additional kit options include AC-300 calibrator



  • Detection Management Software not included and to be ordered separately.
  • The Bluetooth model is not available in this region.
More Information
Manufacturer TSI Quest
Brand TSI
Price Unit Each
Standards OSHA

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