ToxiRAE Pro by Honeywell RAE Systems - Personal Gas Detector

Intrinsically Safe Personal Monitoring Datalogging
Gas Monitor Manufacturer: Honeywell RAE Systems
ToxiRAE Pro by Honeywell RAE Systems - Personal Gas Detector
Training
Available
ToxiRAE Pro by Honeywell RAE Systems - Personal Gas Detector
ToxiRAE Pro by Honeywell RAE Systems - Personal Gas 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 by Honeywell RAE Systems is a configurable single-gas personal monitor designed for continuous exposure monitoring in confined space, industrial hygiene, and Class I, Division 1 hazardous area applications. When renting, customers select one interchangeable electrochemical sensor from 12 available options CO, CO (H₂-compensating), H₂S, SO₂, NO₂, NO, H₂, Cl₂, NH₃, HCHO, ClO₂ ETO-A, or HCN, allowing the same rugged platform to cover a wide range of toxic gas hazards depending on the application. The device features visual, audible, and vibratory alarms including a Man Down alarm for five-way notification, a minimum 8-hour battery runtime, and IP65/67 water- and dust-resistant housing with a protective rubber boot. Built-in datalogging stores up to three months of STEL, TWA, peak, and real-time exposure data, and the unit is compatible with Honeywell Safety Suite Device Configurator Software for data management and compliance reporting.

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$55.00
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$150.00
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What is the ToxiRAE Pro CO used for?
The ToxiRAE Pro CO is a single-gas personal monitor used for continuous carbon monoxide (CO) exposure monitoring when you need a wearable alarm plus a trackable record of exposure values. It's built for the friction point in CO work: exposure can spike during specific tasks, and you need to know it while it's happening.
What CO range and resolution are listed for this ToxiRAE Pro CO?
The product description lists a CO range of 0 to 500 ppm with 1 ppm resolution. Use those numbers to confirm the monitor fits your expected CO environment.
What do TWA, STEL, peak, and real-time readings mean on a CO monitor?
Real-time is the current reading. Peak is the highest value seen. STEL is a short-term average intended to capture short spikes, and TWA is a time-weighted average over a longer period. Those values help you separate "brief spike during a task" from "sustained exposure during a shift."
How should I wear a CO detector for meaningful exposure monitoring?
Keep it where it samples the air the worker is actually exposed to, typically in the breathing zone per your SOP. Don't bury it under clothing or behind barriers that block airflow, because that can delay or distort response.
ToxiRAE Pro CO vs a 4-gas monitor — when should I use a single-gas CO monitor?
Use a 4-gas monitor when you need oxygen, LEL, CO, and H2S together for entry or broad protection. Use a single-gas CO monitor when CO is the primary hazard and you want a simpler, lower-burden wearable option for multiple workers.
ToxiRAE Pro CO vs an area CO monitor — what's the difference?
A personal monitor tells you what a worker is exposed to. An area monitor tells you what a location looks like. If your friction is "workers move between spaces," personal monitoring usually provides more actionable data.
What's included with the ToxiRAE Pro CO rental kit?
The product description lists the monitor with sensor installed plus charging dock/PC cradle, AC adapter, mini USB cable, calibration adapter, protective rubber boot, alligator clip, a flash drive with Safety Suite software/manuals, quick start guide, and a carrying case.
Why are CO readings inconsistent between workers doing the same job?
Placement and task differences drive most variance. If one worker is closer to an exhaust source or has the monitor placed differently, readings will differ. Standardize placement, document task steps, and compare like-for-like conditions.
Why does the monitor alarm and then the reading drops back down?
CO spikes can be short and localized—door openings, equipment cycling, and movement through a plume can trigger brief alarms. Treat alarms as real until you confirm conditions. Re-check the area, document what changed, and follow your SOP for response actions.
What's a common mistake when using personal CO monitoring data?
Recording numbers without context. A peak value is far more useful when it's tied to a task step and conditions (equipment state, ventilation, location). Without that, it's hard to fix the cause.

Exposure Hazards This Equipment Detects

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

Chlorine Gas (Cl₂)

CAS: 7782-50-5
Learn More
Updated on March 17, 2026
PEL TWA
1 ppm (3 mg/m³) [Construction and Maritime Industries only]
REL TWA
N/A
TLV TWA
0.1 ppm (0.29 mg/m³)

Nitrogen Dioxide (NO₂)

CAS: 10102-44-0
Learn More
Updated on March 17, 2026
PEL TWA
N/A
REL TWA
N/A
TLV TWA
0.2 ppm (0.38 mg/m³)

Ammonia (NH₃)

CAS: 7664-41-7
Learn More
Updated on April 10, 2026
PEL TWA
50 ppm (35 mg/m³)
REL TWA
25 ppm (18 mg/m³)
TLV TWA
25 ppm (17 mg/m³)

Ethylene Oxide (C₂H₄O)

CAS: 75-21-8
Learn More
Updated on March 17, 2026
PEL TWA
1 ppm [0.5 ppm Action Level]
REL TWA
<0.1 ppm (<0.18 mg/m³)
TLV TWA
1 ppm [1990]

Hydrogen (H₂)

CAS: 1333-74-0
Learn More
Updated on March 09, 2026
PEL TWA
N/A
REL TWA
N/A
TLV TWA
N/A

Formaldehyde (CH₂O)

CAS: 50-00-0
Learn More
Updated on March 17, 2026
PEL TWA
0.75 ppm [0.5 ppm Action Level]
REL TWA
0.016 ppm
TLV TWA
0.1 ppm [2016]

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]

Nitric Oxide (NO)

CAS: 10102-43-9
Learn More
Updated on March 09, 2026
PEL TWA
25 ppm (30 mg/m³)
REL TWA
25 ppm (30 mg/m³)
TLV TWA
25 ppm [1992]

Sulfur Dioxide (SO₂)

CAS: 7446-09-5
Learn More
Updated on March 09, 2026
PEL TWA
5 ppm (13 mg/m³)
REL TWA
2 ppm (5 mg/m³)
TLV TWA
N/A

Hydrogen Cyanide (HCN)

CAS: 74-90-8
Learn More
Updated on March 09, 2026
PEL TWA
10 ppm (11 mg/m³) [skin]
REL TWA
N/A
TLV TWA
N/A

Chlorine Dioxide (ClO₂)

CAS: 10049-04-4
Learn More
Updated on April 29, 2026
PEL TWA
0.1 ppm (0.3 mg/m³)
REL TWA
0.1 ppm (0.3 mg/m³)
TLV TWA
0.1 ppm (0.28 mg/m³)

Features & Capabilities

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

Equipment Specifications

Component Role: Base instrument — requires one interchangeable sensor module (selected separately)
Sensor-Dependent Specifications: Target gas, measurement range, resolution, accuracy, and response time are determined by the installed sensor module. See the selected sensor's specifications for those values.
Detection Method / Sensor Type: Interchangeable plug-and-play sensor modules; sensors store their own calibration data
Alarm Features: Five-way local notification: audible buzzer, vibration, visual display, and LED lights; includes Man Down alarm and policy enforcement
Calibration Method: Zero, Span & Bump Calibrations; field-replaceable plug-and-play sensor
Connectivity: Optional wireless RF modem (factory-configured; non-wireless units cannot be upgraded); interfaces with ProRAE Guardian and EchoView Host systems
Display: Large backlit display showing real-time gas concentration, STEL, TWA, peak and minimum values, and alarm status
Water/Dust Ingress Rating: IP65/67 water- and dust-resistant case with rubber protective boot
Intrinsically Safe Rating: Class I, Division 1, Groups A-D; T-code T4
Data Storage Capacity: Continuous datalogging up to three months
Battery Run Time: 8+ hours; field-replaceable battery
Regulatory Certifications: EMC Directive 2004/108/EC, R&TTE Directive 1999/5/EC, ATEX Directive 94/9/EC

Interchangeable Module Specifications

Key specifications are determined by which of the 14 modules below is fitted. Select one when configuring your rental. Expand any module to view its specifications.

Carbon Monoxide (CO)

Electrochemical
Range
0 to 500 ppm
Resolution
1 ppm
Operating Temp
-20°C to 50°C (MultiRAE family); -20°C to 55°C (ToxiRAE Pro)

Carbon Monoxide (CO), hydrogen-compensated

Electrochemical with hydrogen compensation
Range
0 to 2,000 ppm
Resolution
10 ppm
Operating Temp
-20°C to 50°C (MultiRAE family); -20°C to 55°C (ToxiRAE Pro)

Hydrogen Sulfide (H2S)

Electrochemical
Range
0 to 100 ppm
Resolution
0.1 ppm
Operating Temp
-20°C to 50°C (MultiRAE family); -20°C to 55°C (ToxiRAE Pro)

Sulfur Dioxide (SO2)

Electrochemical
Range
0 to 20 ppm
Resolution
0.1 ppm
Operating Temp
-20°C to 50°C (MultiRAE family); -20°C to 55°C (ToxiRAE Pro)

Nitrogen Dioxide (NO2)

Electrochemical
Range
0 to 20 ppm
Resolution
0.1 ppm
Operating Temp
-20°C to 50°C (MultiRAE family); -20°C to 55°C (ToxiRAE Pro)

Nitric Oxide (NO)

Electrochemical
Range
0 to 250 ppm
Resolution
0.5 ppm
Operating Temp
-20°C to 50°C (MultiRAE family); -20°C to 55°C (ToxiRAE Pro)

Hydrogen (H2)

Electrochemical
Range
0 to 1,000 ppm
Resolution
2 ppm
Operating Temp
-20°C to 50°C (MultiRAE family); -20°C to 55°C (ToxiRAE Pro)

Chlorine (Cl2)

Electrochemical
Range
0 to 50 ppm
Resolution
0.1 ppm
Operating Temp
-20°C to 50°C (MultiRAE family); -20°C to 55°C (ToxiRAE Pro)

Ammonia (NH3)

Electrochemical
Range
0 to 100 ppm
Resolution
1 ppm
Operating Temp
-20°C to 50°C (MultiRAE family); -20°C to 55°C (ToxiRAE Pro)

Formaldehyde (HCHO)

Electrochemical
Range
0 to 10 ppm
Resolution
0.01 ppm
Operating Temp
-20°C to 50°C (MultiRAE family); -20°C to 55°C (ToxiRAE Pro)

Ethylene Oxide (EtO-A)

Electrochemical
Range
0 to 100 ppm
Resolution
1 ppm
Operating Temp
-20°C to 50°C (MultiRAE family); -20°C to 55°C (ToxiRAE Pro)

Hydrogen Cyanide (HCN)

Electrochemical
Range
0 to 50 ppm
Resolution
0.5 ppm
Operating Temp
-20°C to 50°C (MultiRAE family); -20°C to 55°C (ToxiRAE Pro)

Phosphine (PH3)

Electrochemical
Range
0 to 20 ppm
Resolution
0.1 ppm
Operating Temp
-20°C to 50°C (MultiRAE family); -20°C to 55°C (ToxiRAE Pro)

Chlorine Dioxide (ClO2)

Electrochemical
Range
0 to 1 ppm
Resolution
0.03 ppm
Operating Temp
-20°C to 50°C (MultiRAE family); -20°C to 55°C (ToxiRAE Pro)

Kit Contents

ToxiRAE Pro monitor with 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

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

Videos

Product demonstrations and instructional videos from the manufacturer:

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