Full Featured, Multi-Gas Detector

QRAE II Pump is a full-featured, rugged yet compact, one- to four-sensor gas detector with built-in powerful pump. QRAE II Pump is designed to provide continuous exposure monitoring of oxygen, hydrogen sulfide, carbon monoxide, and combustible gases for workers in hazardous environments. The AutoRAE Lite automatic calibration station for QRAE II enables fast and easy bump testing and calibration of the monitor, streamlines the data download process, and saves calibration gas to deliver the lowest cost of ownership on the market.

QRAE II with AutoRAE Lite

This video takes you through the process of performing a manual bump and calibration of the ToxiRAE 3.
  • Oil and Gas
  • Fire and HazMat
  • Industrial Safety
  • Environmental

Key Features

Key Features

  • Patented SPE O2™ Oxygen sensor unique features:
    • Lead-free design that complies with RoHS directive
    • Extended life compared to lead-type electrochemical oxygen sensors, resulting in a low cost of ownership
    • Leak-free design, minimizing downtime
  • Best EMI/RFI immunity technology for products in its class, eliminating radio interference
  • Easy access to pump, sensors, filter and battery compartment without exposing electronic components to potential damage
  • IP-65 water- and dust-resistant case (pumped model)
  • Strong, protective, concussion-proof design


  • Plug-in sensors: oxygen, combustibles, hydrogen sulfide, carbon monoxide or sulfur dioxide
  • Intuitive simple-to-operate two-button user interface with built-in pump
  • Display can be flipped 180º with the push of a button for easy viewing from belt or hand
  • Multi-language support
  • One-button calibration with autozero capability
  • Loud 95dB audible alarm
  • Bright, red flashing visible alarm
  • Vibration alarm
  • Interchangeable drop-in Lithium-ion and alkaline battery packs



  • Oil & Gas
  • HazMat
  • Industrial Safety
  • Environmental

Product Demo