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.


  • HazMat

  • Oil & Gas

  • Environmental

  • Industrial Safety


  • Patented SPE 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

  • ​Easy access to pump, sensors, filter and battery compartment without exposing electronic components to potential damage

  • Best EMI/RFI immunity technology for products in its class, eliminating radio interference

  • 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

  • Display can be fipped 180º with the push of a button for easy viewing from belt or hand

  • Intuitive simple to operate two button user interface with built in pump

  • Multi language support

  • Loud 95dB audible alarm

  • One-button calibration with autozero capability

  • Bright, red flashing visible alarm

  • Vibration alarm

  • Interchangeable drop-in Lithium-ion and alkaline battery packs