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NITROGEN DIOXIDE (NO₂) DETECTOR RENTALS

Nitrogen dioxide (NO₂) is a reddish-brown gas with a sharp, pungent odor produced during combustion processes. It is commonly found in diesel exhaust, power plants, welding operations, parking garages, tunnels, and chemical manufacturing facilities. Exposure to NO₂ irritates the respiratory system, causing coughing, wheezing, and shortness of breath. Prolonged or high-level exposure can lead to reduced lung function and increased susceptibility to respiratory infections. Our NO₂ monitors support compliance with OSHA exposure guidelines.

RAECO Rents offers single-gas and multi-gas NO₂ monitors from trusted industry leaders. Our rental fleet includes personal detectors like the ToxiRAE Pro NO₂ and multi-gas units such as the MultiRAE series. For emissions testing and combustion analysis, we provide Testo 340 and 350 analyzers. All equipment ships calibrated and ready to use.

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FREQUENTLY ASKED QUESTIONS ABOUT NO₂ DETECTORS & MONITORS 

What is the difference between NO and NO₂?

Nitric oxide (NO) and nitrogen dioxide (NO₂) are both nitrogen oxides produced by combustion. NO is colorless and converts to NO₂ in the presence of oxygen. NO₂ is reddish-brown with a sharp odor and is more toxic. Combustion analyzers like the Testo 340 and Testo 350 can measure both gases for emissions testing.

Why is monitoring nitrogen dioxide important?

Exposure to nitrogen dioxide can cause respiratory irritation, decreased lung function, and long-term health effects. Monitoring ensures safe working conditions, regulatory compliance, and early warning of dangerous gas levels.

Can I use an NO₂ detector for diesel emissions testing?

For emissions compliance testing, use the Testo 340 ($210/day) or Testo 350 ($275/day) combustion analyzers. These measure NO₂ along with NO, CO, O₂, and other combustion gases with the accuracy and documentation needed for regulatory compliance. Personal NO₂ monitors are designed for safety, not emissions analysis.

Where should NO₂ detectors be placed or worn?

For personal protection, wear detectors within the breathing zone. For area monitoring, place units near combustion sources, exhaust outlets, or other NO₂ generation points to capture accurate readings.

What industries require NO₂ monitoring?

NO₂ monitoring is common in diesel fleet operations, parking garages, tunnels, power plants, welding shops, chemical manufacturing, and any facility with combustion equipment or vehicle exhaust. Workers in these environments face elevated NO₂ exposure risks.

What type of NO₂ detector do I need? 

The type of NO₂ detector you need will depend on your specific project and goals. When selecting a monitor, consider:

  • Is it for personal exposure or area monitoring?
  • Do you need single-gas NO₂ detection or multigas monitoring?
  • Are advanced features required for your project?

If you’re unsure about what type of NO₂ monitor you need, contact us today and our staff will be happy to help!

How much does it cost to rent an NO₂ detector?

NO₂ detector rentals from RAECO Rents start at $95/day for the ToxiRAE Pro NO₂ personal monitor, $105-130/day for MultiRAE multi-gas detectors, and $210-275/day for Testo combustion analyzers. All units ship calibrated with technical support included.

RENT RELIABLE NITROGEN DIOXIDE MONITORS 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!