Edge 4 Plus

Monitoring Noise at a Distance

The TSI Quest Edge 4+ Noise Dosimeter allows users to monitor personal noise exposure levels in real-time with a mobile application. The ability to monitor from a safe distance allows workers to continue tasks, without interruption.


  • The Edge 4+ features the Edge dB mobile app for monitoring worker noise exposure from a safe distance on your tablet or smartphone.
  • Industry first colour LCD for readability
  • Ability to monitor multiple dosimeters from a distance, minimizing interruptions to those wearing the instruments
  • Keeps users safe from potentially hazardous noise levels
  • Mobile app is compatible with iOS version 10.0 or greater, and Android version 4.3 or greater
  • Frequency weighting – A, C, Z
  • Independent Exchange Rates - 3 dB, 4 dB or 5 dB
Worker using remote monitoring functionality


  • Manufacturing
  • Safety Consultants
  • Government
  • Energy/Utility
  • Airports
  • Theme Parks & Entertainment Facilities
Edge 4 Plus Device

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