Carbon Monoxide (CO) Gas Detector & Monitor Rentals
Carbon monoxide (CO) is a colorless, odorless gas produced by incomplete combustion. It is commonly encountered in confined spaces, parking garages, steel mills, refineries, fire scenes, and anywhere fuel-burning equipment operates. CO is highly dangerous because it binds to hemoglobin in the blood, reducing oxygen delivery to vital organs. Exposure symptoms include headaches, dizziness, nausea, confusion, and at high concentrations, loss of consciousness or death. Our CO monitors support compliance with OSHA exposure guidelines, making accurate detection critical for worker safety.
RAECO Rents offers single-gas and multi-gas CO monitors from industry trusted brands. Our rental fleet includes personal monitors like the ToxiRAE Pro CO, multi-gas detectors such as the QRAE3 and MultiRAE, and combustion analyzers for emissions testing. Hydrogen-compensated CO sensors are available for environments where cross-sensitivity is a concern. All units ship calibrated and ready to use.
FREQUENTLY ASKED QUESTIONS ABOUT CO DETECTORS & MONITORS
Which CO detector is best for confined space entry?
For confined space entry, the QRAE3 ($65/day) is the most popular choice. It monitors CO along with O₂, H₂S, and LEL in a single compact unit, meeting OSHA 29 CFR 1910.146 requirements for atmospheric testing. For more complex environments, the MultiRAE ($105/day) adds VOC detection.
What is the difference between the ToxiRAE Pro CO and a multi-gas detector?
The ToxiRAE Pro CO ($50/day) is a dedicated single-gas monitor for carbon monoxide only, offering the lowest cost option for CO-specific applications. Multi-gas detectors like the QRAE3 or MultiRAE Lite measure CO plus O₂, H₂S, and LEL simultaneously, providing comprehensive protection for confined spaces and industrial environments.
Can I use a CO detector for combustion analysis?
For combustion efficiency testing and emissions compliance, use the Testo 340 ($210/day) or Testo 350 ($275/day) combustion analyzers. These measure CO along with O₂, NO, NO₂, and calculate combustion efficiency. Standard personal CO detectors are designed for safety monitoring, not emissions analysis.
What is a hydrogen-compensated CO sensor and when do I need one?
Standard electrochemical CO sensors can produce false readings when hydrogen gas is present. The ToxiRAE Pro CO-H2 Compensating ($50/day) uses a specialized sensor that filters out hydrogen interference. Use H2-compensated sensors in battery charging areas, refineries, or any environment where hydrogen may be present alongside CO.
How do CO detectors work?
CO detectors use electrochemical sensors that produce an electrical current when exposed to carbon monoxide. The monitor interprets this current to determine the gas concentration and displays real-time readings, triggering alarms if unsafe levels are detected.
Where should CO detectors be placed?
Placement depends on your application. In confined spaces, detectors should be positioned near the breathing zone for personal protection. For area monitoring, units should be placed where air circulation is limited or CO buildup is most likely to occur.
How much does it cost to rent a CO detector?
CO detector rentals from RAECO Rents start at $50/day for the ToxiRAE Pro CO single-gas monitor, $65/day for the QRAE3 multi-gas detector, and $210/day for Testo combustion analyzers. All rentals include calibration certificates and technical support.
RENT PROFESSIONAL CO MONITORING DEVICES FROM RAECO RENTS
Our factory-trained rental team is standing by, ready to help you with your project. Get in touch today to learn more!