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Qrae II PGM-2400/P Multi-Gas detector, LEL/O2/CO/H2S




This compact portable device, available in both diffusion and pump models, monitors up to four gases in confined spaces. Designed for hazardous environments, it can measure levels of hydrogen sulfide, carbon monoxide, and combustibles, and checks for adequate oxygen with a state-of-the-art, lead-free oxygen monitor. The QRAE II’s water-resistant, dust-resistant, and shock-resistant case provides durability, and three alarms – light, sound, and vibration – to make sure the user is aware of any danger. The intuitive, two-button interface is easy to use, even when wearing two layers of gloves. Plus, with easy access to the pumps, sensors, filter, and battery, maintenance is streamlined.

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


  • Confined Space Entry
  • Exploration
  • Fracking
  • Plant Shutdown & Turn-Around
  • Residential Calls
  • Worker Exposure


Gerneral spec.

Range 0 to 100% LEL / 0 to 30.0% O2 / 0 to 100 ppm H2S / 0 to 1000 ppm CO
Resolution 1% LEL / 0.1% O2 / 1 ppm H2S / 1 ppm CO
Dimensions 5″ L x 2.8″ W x 1.5″ H (12.5cm x 7.2cm x 3.8cm)
Weight 9 oz (250 g)
Battery Interchangeable Lithium-Ion or alkaline battery packs
Operating Period Up to 14 hours continuous operation with Lithium-ion battery, up to 10 hours with alkaline battery (typical, without alarm)
Alarms Audible 95dB @ 30cm / Vibration / Visible Alarm (flashing bright LEDs) / High and Low values / STEL and TWA values / Additional diagnostic alarm and display message for low battery
IP Rating IP-65
Temperature -4° to 113° F (-20° to 50°C) for T4 temperature codes
Calibration Two-point calibration for zero and span (manual, or automatic with the AutoRAE Lite)
Humidity 0% to 95% relative humidity (non-condensing)
Hazardous Area Approval US and Canada: CI, D1, Groups A, B, C, D, T4 / Europe: ATEX II 2G EEx ia d IIc T4 / IECEX: Ex ia d II C T4
What’s Included QRAE II monitor (Pumped) with sensors as specified / Stainless-steel alligator clip / Water trap filter / Quick reference guide / User manual and ProRAE Studio Software Package for Windows® 2000, NT and XP on CD-ROM / Alkaline adapter / Charging/download cradle with computer interface cable / Universal adapter and lithium-ion battery pack





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