ToxiRAE Pro CO₂ by Honeywell RAE Systems - Personal Carbon Dioxide Detector

Intrinsically Safe Personal Monitoring Datalogging
Gas Monitor Manufacturer: Honeywell RAE Systems
ToxiRAE Pro CO₂ by Honeywell RAE Systems - Personal Carbon Dioxide Detector
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ToxiRAE Pro CO₂ by Honeywell RAE Systems - Personal Carbon Dioxide Detector
ToxiRAE Pro CO₂ by Honeywell RAE Systems - Personal Carbon Dioxide Detector
Training
How to use Safety Suite Software for RAE Systems
Training
Honeywell Safety Suite - Downloading data and a calibration certificate

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 ToxiRAE Pro CO₂ by Honeywell RAE Systems is a wireless, single-gas detector designed for continuous personal monitoring of carbon dioxide in indoor air quality, confined space, and occupational hygiene applications. The CO₂ sensor delivers a detection range of 0–50,000 ppm with a resolution of 100 ppm, and the device operates for a minimum of 8 hours on a full charge. Built-in datalogging stores up to three months of STEL, TWA, peak, and real-time exposure data, and the water- and dust-resistant housing ensures reliable performance in demanding environments. Compatible with Honeywell Safety Suite Device Configurator Software for efficient data management and compliance tracking.

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What is the ToxiRAE Pro CO2 used for?
The ToxiRAE Pro CO2 is a wearable single-gas CO2 detector used for continuous personal monitoring when CO2 exposure or CO2 displacement risk is part of the hazard assessment. It’s built for the friction point in CO2 work: conditions can change quickly with process state and ventilation, and you need immediate warning in the breathing zone.
What CO2 range and resolution are listed for this monitor?
The product description lists a CO2 range of 0 to 50,000 ppm with 100 ppm resolution. Use those numbers to confirm the instrument fits your expected CO2 environment.
What do TWA, STEL, peak, and real-time values mean for CO2 monitoring?
Real-time is the current reading. Peak shows the highest value seen. STEL and TWA show short-term and longer-term averages. Those metrics help you distinguish “brief spike during a task” from “sustained elevated CO2 during a shift.”
What sensor type is listed for CO2 measurement?
The specifications mention an NDIR sensor for CO2. NDIR is commonly used for CO2 measurement because it is purpose-built for CO2 response.
ToxiRAE Pro CO2 vs MultiRAE Lite CO2 — which should I choose?
Choose ToxiRAE Pro CO2 when you need CO2 personal monitoring only and want a simpler wearable workflow. Choose MultiRAE Lite CO2 when you need CO2 plus oxygen, combustibles, and other toxic channels as part of a multi-hazard permit workflow.
When should I use personal CO2 monitoring instead of an area CO2 monitor?
Use personal monitoring when workers move between locations and you need breathing-zone exposure data. Use area monitoring when you need to verify a space condition at a fixed point or map hotspots.
What alarms and protection features are listed?
The specs list visual, audible, and vibratory alarms, plus Man Down Alarm, and note an IP65/67 water- and dust-resistant case with protective boot. Use your SOP to define what actions occur at alarm.
What's included with the ToxiRAE Pro CO2 rental kit?
The product description lists the monitor with sensor installed plus charging dock/PC cradle, AC adapter, mini USB cable, calibration adapter, protective boot, alligator clip, flash drive with Safety Suite software/manuals, quick start guide, and carrying case.
Why do CO2 readings vary so much within the same room?
CO2 can stratify and follow airflow patterns. Ventilation, door openings, and process releases create pockets. For meaningful comparisons, keep measurement height and placement consistent and document ventilation status.
What's a common mistake in CO2 hazard monitoring?
Treating CO2 as only an “IAQ number.” In industrial contexts, CO2 can be an asphyxiant by displacement. If CO2 is on the hazard list, monitor it explicitly and follow permit thresholds.

Exposure Hazards This Equipment Detects

Carbon Dioxide (CO₂)

CAS: 124-38-9
Learn More
Updated on March 17, 2026
PEL TWA
5000 ppm (9000 mg/m³)
REL TWA
5000 ppm (9000 mg/m³)
TLV TWA
5000 ppm (9000 mg/m³)

Features & Capabilities

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

Equipment Specifications

  • Comes with an NDIR sensor for CO2: 0 to 50,000 PPM range (0-5% volume) at 100 ppm resolution
  • Display readout shows STEL, TWA, peak and minimum values plus real-time gas concentration readings and alarm status
  • Visual, audible, and vibratory alarms plus Man Down Alarm; five-way local notification of alarm conditions
  • Datalogging up to three months
  • IP65/67 water- and dust-resistant case and rubber protective boot; Hazardous area classified for use in Class I, Div 1, Groups A-D environments
  • Battery runtime eight hours minimum
  • Fully automated bump testing and calibration with AutoRAE 2

Kit Contents

ToxiRAE Pro monitor with CO₂ sensor installed, Charging dock & PC communications cradle, AC adapter, Mini USB cable, Calibration adapter, Protective rubber boot, Alligator clip, Flash drive containing Safety Suite Device Configurator Software, manuals, and documentation, Quick start guide, Carrying case

Manufacturer Resources

Documents

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