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QRAE 3 Confined Space Monitor

Rental Pricing
$ 50 $ 150 $ 450

Advanced and compact, the QRAE 3 is a one-to-four sensor confined space gas detector. The QRAE 3 Monitor comes with a li-ion rechargeable battery and ships in a hard case with calibration regulator and charger. The instrument ships fully charged and a certificate of calibration is included as well. If calibration gas is needed, request part number 33067.

The QRAE 3 provides detection and monitoring of Oxygen (O2), Combustibles, and toxic gases that include hydrogen sulfide (H2S) and carbon monoxide (CO). QRAE 3 can deliver real-time instrument readings and alarm status 24/7. This provides better incident visibility and can improve response time. 


  • One-to-four plug-in "smart" sensors: Combustible, Oxygen, Hydrogen Sulfide, Carbon Monoxide
  • Rechargeable Lithium-ion battery pack provides up to 20 hours (more than 2 work shifts) of continuous operation
  • Rugged housing withstands use in harsh environments with a water and dust resistant case and strong protective rubber boot
  • Highly resistant to radio frequency and other electromagnetic interference
  • Strong, built-in sample draw pump with optional collapsible sample-probe
  • One-button calibration with auto-zero capability
  • Loud audible alarm
  • Bright visual alarm