QRAE 3 Multi-Gas Monitor - LEL / H₂S / CO / O₂


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QRAE 3 is a versatile, rugged, one to four sensor pumped gas monitor that provides continuous exposure monitoring of O2, combustibles, and toxic gases, inc H2S and CO. QRAE 3 can deliver wireless real-time instrument readings and alarm status 24/7. This provides better incident visibility and can improve response time.

Key Attributes:

  • Gases - Oxygen (O2), Carbon Monoxide (CO), Hydrogen Sulphide (H2S) and Combustibles LEL

  • Data Storage - Continuous datalogging (3 months for 4 sensors at 1-minute intervals) or User-configurable datalogging intervals (from 1 to 3,600 seconds

  • Product Rating - Pumped: IP-65 Diffusion: IP-67

  • Advanced Features - Man Down Alarm with real-time remote wireless notification

Excl. VAT: £175.00 Incl. VAT: £210.00

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Excl. VAT: £175.00 Incl. VAT: £210.00

Product Description


The QRAE 3 is capable of detecting Oxygen (O2), Combustibles, and toxic gases, including Hydrogen Sulphide (H2S), Carbon Monoxide (CO), Sulphur Dioxide (SO2) and Hydrogen Cyanide (HCN) for workers and responders in hazardous environments.

The QRAE 3’s wireless communications capability enables access to real-time instrument readings and alarm status (including man-down alarm) from any location for better visibility and faster response.

Real-time hazard readings can also be communicated to the ProRAE Guardian Safety System and the EchoView Host Mini-Controller Closed-Loop Wireless System for safety-enhancing wireless monitoring.


  • Real-time gas detector readings and alarm status enabled by state of the art wireless technology
  • Unmistakable five-way local and remote wireless notification of alarm conditions
  • Intuitive simple-to-operate two-button user interface
  • Strong, protective, concussion-proof design
  • IP-65/67 water- and dust-resistant case


  • CBRNE Clandestine Labs 
  • Confined Space Entry 
  • Emergency Response 
  • Environmental Cleanups/ Remediation 
  • Exploration 
  • Fire Overhaul 
  • Leak Detection 
  • Plant Shutdown & Turn-Around 
  • Residential Calls 
  • Urban Search & Rescue 
  • Worker Exposure

 Comes complete with:

  • Monitor as specified
  • Sensors as specified
  • Sampling option as specified
  • Calibration adapter (diffusion model only)
  • Internal filters (mounted - diffusion model only)
  • Travel charger cradle with computer cable
  • Lithium-ion battery pack
  • Universal wall adapter
  • CD ROM with ProRAE Studio II
  • CD ROM with product content
  • Quick Reference guide
  • Barrier Box


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Product Downloads

View FileQRAE3 Multi-Gas Datasheet
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