QRAE 3 by Honeywell RAE Systems - Personal Multigas Detector

Intrinsically Safe Personal Monitoring Datalogging
Gas Monitor Manufacturer: Honeywell RAE Systems
QRAE 3 by Honeywell RAE Systems - Personal Multigas Detector
Training
Available
QRAE 3 by Honeywell RAE Systems - Personal Multigas Detector
QRAE 3 by Honeywell RAE Systems - Personal Multigas Detector
Training
How to use Safety Suite Software for RAE Systems

Cross-sensitivity warning: This instrument may react to gases beyond its primary target. Check the spec sheet to verify compatibility with your gas mixture before use.

The QRAE 3 by RAE Systems is a compact, wireless-enabled 4-gas monitor designed for personal safety and confined space applications. It simultaneously detects combustible gases, oxygen, hydrogen sulfide, and carbon monoxide with a LEL range of 0–100% (1% resolution), O₂ range of 0–30.0% (0.1% resolution), CO range of 0–500 ppm (1 ppm resolution), and H₂S range of 0–100 ppm (0.1 ppm resolution). Built-in datalogging records STEL, TWA, peak, and minimum values, storing up to three months of data at 1-minute intervals with a minimum 8-hour runtime. Compatible with Honeywell Safety Suite Device Configurator Software for simplified device setup and compliance tracking.

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$70.00
Weekly
$210.00
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What is the QRAE 3 used for?
The QRAE 3 is a personal multigas detector used for worker protection in confined space and general industrial safety monitoring. It gives quick, continuous readings for the core hazards that drive most entry permits.
What gases does the QRAE 3 detect?
Up to four gases: LEL (combustible), oxygen (O2), hydrogen sulfide (H2S), and carbon monoxide (CO). Confirm your permit hazard list matches this sensor set before you rely on it.
What do LEL and oxygen readings tell me during an entry check?
LEL indicates flammability risk relative to the Lower Explosive Limit. Oxygen tells you whether the atmosphere is oxygen-deficient or enriched. Together they answer the first two permit questions: is it explosive, and is it breathable? Use your permit and SOP thresholds for pass/fail decisions.
What do TWA and STEL mean on a gas monitor?
TWA (time-weighted average) is an average exposure over time. STEL (short-term exposure limit) is a short averaging window meant to capture brief peaks. The QRAE 3 records STEL, TWA, peak, and minimum values so you can see both sustained exposure and spikes.
QRAE 3 vs. a pumped monitor — what's the difference?
Pumped monitors actively draw air through a sampling path and are useful for pre-entry checks through tubing or sampling from a distance. The QRAE 3 is commonly used as a personal monitor. If you need remote sampling before entry, choose a pumped unit or add the correct sampling accessories (a RAE Probe Kit is available).
QRAE 3 vs. MultiRAE — when do I need the bigger monitor?
Use the QRAE 3 when the core 4-gas hazards cover your risk. Use the MultiRAE when you need additional toxics and/or VOC screening (PID) in the same workflow. Start with the hazard assessment, not the instrument.
Can QRAE 3 logs support compliance documentation?
It records STEL, TWA, peak, and minimum values and stores up to three months of data at configurable intervals (1 to 3,600 seconds). That can support recordkeeping, but you still need permit documentation and a process for exporting and storing logs.
How much does it cost to rent the QRAE 3?
Listed rental rates are $70/day and $210/week. Pricing beyond two weeks is quoted — contact RAECO Rents.

Exposure Hazards This Equipment Detects

Oxygen (O₂)

CAS: 7782-44-7
Learn More
Updated on March 09, 2026
PEL TWA
N/A
REL TWA
N/A
TLV TWA
N/A

Carbon Monoxide (CO)

CAS: 630-08-0
Learn More
Updated on March 17, 2026
PEL TWA
50 ppm (55 mg/m³)
REL TWA
35 ppm (40 mg/m³)
TLV TWA
N/A

Lower Explosive Limit (LEL)

CAS: N/A
Learn More
Updated on March 09, 2026
PEL TWA
N/A
REL TWA
N/A
TLV TWA
N/A

Hydrogen Sulfide (H₂S)

CAS: 7783-06-4
Learn More
Updated on March 17, 2026
PEL TWA
N/A
REL TWA
N/A
TLV TWA
1 ppm [2009]

Methane (CH₄)

CAS: 74-82-8
Learn More
Updated on March 09, 2026
PEL TWA
No established PEL
REL TWA
No established REL
TLV TWA
No established TLV

Features & Capabilities

Calibration Certificate Available: ✓ Yes
Datalogging: ✓ Yes
Intrinsically Safe: ✓ Yes
Monitoring Scope: Personal Monitoring

Equipment Specifications

  • Display readout shows STEL, TWA, peak and minimum values
  • Hazardous area classified for use in Class I, Div 1, Groups A-D environments
  • Visual, audible, and vibratory alarms plus Man Down Alarm and policy enforcement indicators
  • Datalogging up to three months
  • Battery runtime eight hours minimum

Kit Contents

QRAE 3 gas monitor with up to 4 installed sensors, Charger with USB connection, AC charger, USB cable, Spare pump filter (installed on unit during sampling), Flash drive containing Safety Suite Device Configurator Software, manuals, and documentation, Calibration T (optional), Quick start guide, Carrying case

Manufacturer Resources

Documents

User manuals, safety guides, and technical documentation from the manufacturer:

Videos

Product demonstrations and instructional videos from the manufacturer:

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