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QRAE II Diffusion LEL CSA-UL / O2 / H2S 100 ppm / CO / Li-Ion + Confined Space Kit 2 (CSK 2)

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RAE 020-1111-0A2
5.00 LBS
Ships from manufacturer in 1-2 days
Calculated at checkout

Product Description

QRAE II Diffusion LEL CSA-UL / O2 / H2S 100 ppm / CO / Li-Ion + Confined Space Kit 2 (CSK 2)

The QRAE II is a durable and versatile diffusion or pumped one-to-four gas monitor for detection of combustibles, oxygen, hydrogen sulfide, or carbon monoxide. Standard features include easy-to-change battery packs, easy access to sensors, internal vibrating alarm, loud 95dB audible alarm, and a water-resistant IP-65 case design. The rechargeable Lithium-ion battery delivers up to 14 hours of continuous operation in diffusion mode (a spare alkaline battery adapter is included for 10 hour back-up operation).
RAE Systems' patented, CO2 tolerant SPE O2 sensor delivers a longer life span, boasting an RoHS compliant lead-free and leak-free design. The QRAE II sports the capability to record data that can be downloaded to a PC. The AutoRAE II for QRAE II Automated Test and Calibration Station makes bump testing and calibration as easy as a press of a button.


Key Features:

  • Monitors and detects 1-4 gases
  • Lead-free, long-life oxygen sensor
  • Large easy-to-read display can be flipped for handheld or belt use
  • Three-alarms – visual, audio, and vibration
  • Interchangeable alkaline or rechargeable batteries
  • Water, dust-, and shock-resistant
  • Easy access to pumps, sensors, filter, and battery
  • Minimal electromagnetic and radio interference
  • Detects hydrogen sulfide, carbon monoxide, combustibles, and monitors oxygen


  • Monitor as specified
  • Sensors as specified
  • Alkaline adapter (back-up operation)
  • Internal filters (diffusion model only)
  • Rechargeable Li-ion units include:
    – Charging/download cradle with computer cable
    – Lithium-ion battery pack
  • – Universal wall adapter
  • Alkaline versions do not include a charging/download cradle
  • CD ROM with user manual and ProRAE Studio
  • Quick start guide
  • External filter (pumped model only)
  • Calibration adapter (diffusion model only)

Confined Space Kit 2 (CSK 2, P/N 020-0040-020) adds:

  • Four-gas mix in a 34L cylinder, part number 600-0050-007
  • (50% LEL, 18% O2, 10 ppm Hydrogen Sulfide, 50 ppm Carbon Monoxide)
  • Regulator and tubing
  • Calibration gas cylinder


Note: Both the QRAE II diffusion and pumped models are compatible with the AutoRAE Lite for QRAE II Automatic Test and Calibration Station.




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