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Nitrogen dioxide (NO2)

This page presents information about nitrogen dioxide (NO2), appropriate detection means – nitrogen dioxide detector – and respiratory protective equipment (self-contained breathing apparatus and supplied air respirator).

nitrogen dioxide detector and NO2 respiratory protection: mask, filter and SCBA

Nitrogen dioxide properties

Nitrogen dioxide (NO2) is considered as responsible of atmospheric pollution. As a consequence, this gas is a major indicator for air quality monitoring agencies. It is notably produced during internal combustion of diesel-powered engines and can be found in any area with these vehicles (mines, garages, car parks…). NO2 is also widely used in the chemical industry for example for nitric acid (HNO3) synthesis.

CASTWA (8 hours)STEL (15 minutes)LELIPDensity / AirFilter / Air
10102-44-03 ppm9.581.59ARI

Nitrogen dioxide effects on health

Nitrogen dioxide is a yellow-brown gas with a pungent smell from 0.2 ppm. This gas is irritating to the eyes (R36) and respiratory system (R37). It is very toxic by inhalation (R26) as well and can cause burns (R34). Non-flammable and non-explosive, nitrogen dioxide is a strong oxidizer that can ignite combustion. Its reactivity with many chemical compounds (chloride compounds, benzene) can produce explosive gaseous mixtures.

Nitrogen dioxide effects on health - NO2

Nitrogen dioxide effects on health (NO2)

Nitrogen dioxide gas detector

Even if NO2 gas can be detected by its color and smell, only a nitrogen dioxide detector can accurately measure concentrations of this particularly toxic gas. Thus it is recommended to use fixed or portable nitrogen dioxide detection equipment.

SIL 2 approved ATEX gas detector to detect the combustible gases (IR or catalytic), CO2 (IR), toxic gases (electrochemical), solvents or freons (semiconductor) and asphyxiating gases (oxygen deficiency).

  • Fixed gas detector OLCT100
  • Detection of hydrocarbons, solvents, toxic gases, freons, VOC, CO2
  • Housing made of aluminium with epoxy paint (optional 316L Stainless Steel version)
  • Outputs: OLC100: Wheatstone bridge – OLCT100: 4-20 mA linear
  • Power supply: 15.5 to 32 VDC
  • ATEX & SIL 2 approved for catalytic and infrared versions
  • Additional information
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Fixed gas detector – OLCT100

SIL 2 approved ATEX gas detector to detect the combustible gases (IR or catalytic), CO2 (IR), toxic gases (electrochemical), solvents or freons (semiconductor) and asphyxiating gases (oxygen deficiency).

Fixed gas detector OLCT100
  • Detection of hydrocarbons, solvents, toxic gases, freons, VOC, CO2
  • Housing made of aluminium with epoxy paint (optional 316L Stainless Steel version)
  • Outputs: OLC100: Wheatstone bridge – OLCT100: 4-20 mA linear
  • Power supply: 15.5 to 32 VDC
  • ATEX & SIL 2 approved for catalytic and infrared versions
Additional information

Thanks to the wide variety of sensor technologies that can be used with this monitor, the OLCT100 fixed gas detector can detect a large range of gases. The combustible gases can be detected with a catalytic or infrared sensor, toxic gases with an electrochemical sensor, freons with a semiconductor sensor and carbon dioxide with an infrared sensor.

Two outputs types are available for this fixed gas detector range. The first one is the 4-20 mA analog output. It can be used to detect combustible, toxic and asphyxiating gases but also solvents, freons or carbon dioxide. The second output version is a Wheatstone bridge for the detection of combustible gases (0-100% LEL only).

Many accessories are available for the OLCT100 gas detector to improve sensor response time or to get optimal implementation.

The OLC/OLCT100 range is available under 5 versions:

  • OLC100 : Wheatstone bridge output detector to detect the combustible gases (0-100% LEL only)
  • OLCT 100 XP: Explosion-proof version equipped with a catalytic, electrochemical or semiconductor sensor to detect the combustible or toxic gases or oxygen.
  • OLCT 100 IS: Extremely reliable version to detect toxic gases or oxygen.
  • OLCT 100 XP IR: Explosion-proof version equipped with an infrared sensor to detect the combustible gases or CO2
  • OLCT 100 XP HT: High temperature explosion-proof version to detect combustible gases up to 200 °C
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Especially designed for use in boiler rooms or parkings, the OLCT10 sensor range is used to monitor presence of explosive vapors and gases or combustion toxic gases in ambient air.

 

  • Fixed gas detector OLCT10
  • Detection of the combustible gases, CO, NO, NO2
  • Power supply: 15 to 30 VDC
  • 4-20 mA linear output
  • Robust, user-friendly and easy to install
  • ATEX II 3 G / EEx nA IIC T4 approved
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Gas detector – OLCT10 Atex

Especially designed for use in boiler rooms or parkings, the OLCT10 sensor range is used to monitor presence of explosive vapors and gases or combustion toxic gases in ambient air.

 

Fixed gas detector OLCT10
  • Detection of the combustible gases, CO, NO, NO2
  • Power supply: 15 to 30 VDC
  • 4-20 mA linear output
  • Robust, user-friendly and easy to install
  • ATEX II 3 G / EEx nA IIC T4 approved
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The PAC® 8000 portable special gas detector can accurately monitor concentrations of gases like phosgene (COCl2), organic vapors (OV), carbon dioxide (CO2), ozone (O3) and nitrogen oxide (NO).

  • The Drager PAC 8000 portable special gas detector
  • Can detect lower gas concentrations (starting at 0.01 ppm for COCl2).
  • Intuitive operation with large backlit display.
  • Data recording (concentration levels and alarm events).
  • 360° alarm (90 dB signal, LED lights, vibrating alarm).
  • ATEX, CE, IECEx, cCSAus approved.
  • Additional information
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Portable special gas detector PAC 8000

The PAC® 8000 portable special gas detector can accurately monitor concentrations of gases like phosgene (COCl2), organic vapors (OV), carbon dioxide (CO2), ozone (O3) and nitrogen oxide (NO).

The Drager PAC 8000 portable special gas detector
  • Can detect lower gas concentrations (starting at 0.01 ppm for COCl2).
  • Intuitive operation with large backlit display.
  • Data recording (concentration levels and alarm events).
  • 360° alarm (90 dB signal, LED lights, vibrating alarm).
  • ATEX, CE, IECEx, cCSAus approved.
Additional information

Small, compact and lightweight, the PAC 8000 portable special gas detector is a disposable gas detector designed to continuously detect carbon dioxide (CO2), chlorine (Cl2), hydrogen cyanide (HCN), ammonia (NH3), nitrogen dioxide (NO2), phosphine (PH3) organic vapors (OV or OV-A) during two years.

This personal monitor can be equipped as well with specific sensors in order to monitor hazardous concentrations of special gases like ozone (O3) at very low concentrations from 0.02 ppm, phosgene (COCl2) from 0.01 ppm and nitrogen dioxide (NO2) from 0.04 ppm.

 

The PAC 8000 portable special gas detector has been designed for use in any situation, even in the harshest environments. Thanks to its robust housing design, this device is waterproof, impact-resistant and immune to corrosive chemical products. Its two powerful sensors with a low T90 response time ensure ultra fastt reaction and accurate measurement of the target gas. Its filter is protected against water, dust and other foreign bodies and can be easily replaced if clogged without particular technical skills. Thanks to its crocodile clip, it can be easily worn close to the breathing tracts to get even more precise measurements.

 

 

Thanks to its two powerful flashing LED that can be seen at à 360°, its 90 dB audible alarm and its vibrating alarm, the PAC 8000 special gas detector can alert users in presence of hazardous concentrations of the target gas.

 

The large backlit screen of this portable and disposable gas detector clearly indicates gas concentrations even in the darkest areas but also displays other important information such as remaining battery capacity or passed alarm events values. The PAC 8000 portable gas detector also logs concentrations and alarms so that they can be downloaded to a PC via an interface and processed further even if they were already acknowledged.

 

Each version of the special gas detector PAC 8000  is equipped with extremely durable sensors and powerful batteries to provide a continuous runtime over two years.

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The X-am 5000 portable gas detector represents an ideal solution for individual protection and monitoring of combustible and toxic gases as well as oxygen. Small and lightweight, this multi gas detector can simultaneously detect the presence of 1 up to 5 gases.

  • 5 gas monitor Drager X-am 5000 for combustible, toxic gases and oxygen monitoring
  • Ergonomic, compact and lightweight
  • Customizable with interchangeable sensors
  • Powered with alkaline or T4 batteries
  • Water and dust resistant, insensitive to electromagnetic interferences
  • Optional external pump to draw remote samples
  • Additional information
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5 gas monitor X-am 5000

The X-am 5000 portable gas detector represents an ideal solution for individual protection and monitoring of combustible and toxic gases as well as oxygen. Small and lightweight, this multi gas detector can simultaneously detect the presence of 1 up to 5 gases.

5 gas monitor Drager X-am 5000 for combustible, toxic gases and oxygen monitoring
  • Ergonomic, compact and lightweight
  • Customizable with interchangeable sensors
  • Powered with alkaline or T4 batteries
  • Water and dust resistant, insensitive to electromagnetic interferences
  • Optional external pump to draw remote samples
Additional information

The X-am 5000 5 gas monitor is the world’s smallest handheld multi gas detector. This personal safety equipment has been especially designed to accurately and reliably detect the presence of combustible and toxic gases, amines and organic vapors but also to monitor the presence of oxygen in ambient air.

With its ultra-compact size and its low weight, the X-am 5000 monitor is easy to wear, attached to a pocket or directly on a collar in order to measure concentrations inhaled by its users. This device features two buttons to navigate the intuitive and user-friendly menus.

The interchangeable Ex catalytic sensors used in this detector can be easily replaced for use in a large number of applications. These sensors are engineered for measures from the lower explosive limit (LEL) up to 100% of the volume. Because they are interchangeable, these catalytic gas detection sensors can be easily replaced. The user can also add sensors to upgrade a detector in order to detect new gases. Moreover, these sensors feature excellent stability and enhanced resistance against poisons like hydrogen sulfide or silicon. Their lifetime can exceed 4 years.

In compliance with the IP67 standard, the X-am 5000 5 gas monitor is airtight to dust and water. Thanks to its rubber housing, this detector is also resistant to shocks, vibrations and impacts in order to be used in the most difficult environments.

Thanks to an optional external pump, the X-am 5000 can also be used to draw remote samples up to 30 meters away. This pump can be easily and quickly mounted and removed and requires no tool. This way, operators can easily switch from diffusion mode to pump mode in order to control the presence of hazardous concentrations of gases before any intervention in confined space – for applications in tanks for example).

Lastly, the X-am 5000 portable multi gas detector is available with two power supply opportunities: either with alkaline batteries or with a rechargeable T4 battery. Furthermore, its integrated data logger can store up to 1,000 hours of data per interval of one minute.

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NO2 respiratory protection (nitrogen dioxide)

Nitrogen dioxide is a toxic and asphyxiating gas with important suffocation risks. It is recommended to use an opened-circuit self-contained breathing apparatus (SCBA) or an air supplying respirator for long-term applications.

Designed for use in harsh conditions, the PAS Micro short duration self-contained breathing apparatus combines ease of use, durability, flexibility and robustness. Particularly resistant, it is an ideal solution for short duration interventions.

  • self-contained breathing apparatus – Pas Micro by Drager
  • Ergonomic design
  • Robust and resistant system
  • Integrated manometer
  • Possibility to add and external air supply
  • Compatible with Panorama Nova and FPS7000 masks
  • Additional information
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PAS Micro short duration self-contained breathing apparatus

Designed for use in harsh conditions, the PAS Micro short duration self-contained breathing apparatus combines ease of use, durability, flexibility and robustness. Particularly resistant, it is an ideal solution for short duration interventions.

self-contained breathing apparatus – Pas Micro by Drager
  • Ergonomic design
  • Robust and resistant system
  • Integrated manometer
  • Possibility to add and external air supply
  • Compatible with Panorama Nova and FPS7000 masks
Additional information

Especially designed for short duration intervention in extreme conditions, the PAS Micro self-contained breathing apparatus is particularly lightweight (2 kg). Composed by a harness, a belt and a backplate, the device is designed to enhance the comfort of the user. Made from flexible, robust and antistatic materials, this breathing device suits perfectly in any morphology. The innovative material of this SCBA is resistant to extreme temperatures – from -30 up to +70°C. The backplate and shoulder straps are padded with foam. The device is also machine washable.

 

This self-contained breathing apparatus can use 2 or 3 liters compressed air cylinders made of aluminium, steel or composite material under 200 or 300 bar. The user is able to check cylinder pressure at any time thanks to an accurate manometer integrated to the belt for easy reading.

 

Initially made for use with a compressed a air cylinder, the PAS Micro can also be used with an external air supply thanks to an airline connection. It can then be connected to a compressed air network or a breathing air cart for example. An optional automatic reverser can easily and automatically switch between an external air supply to a cylinder.

 

The PAS Micro SCBA is compatible with Panorama Nova masks and the FPS7000 range of full face masks.

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Especially designed for emergency situations, the Saver CF emergency escape breathing apparatus is the ideal solutions to evacuate environments that rapidly deteriorated. This device provides up to 15 minutes of breathing air for safe evacuation.

  • Saver CF emergency escape breathing apparatus, short interventions SCBA by Drager
  • Easy to don
  • Hood with large field of view
  • Provides from 10 to 15 minutes of breathing air depending on the model
  • Complies with current standards
  • Reduced maintenance
  • Additional information
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Saver CF emergency escape breathing apparatus

Especially designed for emergency situations, the Saver CF emergency escape breathing apparatus is the ideal solutions to evacuate environments that rapidly deteriorated. This device provides up to 15 minutes of breathing air for safe evacuation.

Saver CF emergency escape breathing apparatus, short interventions SCBA by Drager
  • Easy to don
  • Hood with large field of view
  • Provides from 10 to 15 minutes of breathing air depending on the model
  • Complies with current standards
  • Reduced maintenance
Additional information

The Saver CF is a compressed air evacuation breathing apparatus especially designed for emergency situations. Available in two different versions, the Saver CF provides its user 10 or 15 minutes of breathing air autonomy in order to evacuate any hazardous and contaminated area that could affect health.

Easy to don and operate, the Saver CF emergency evacuation breathing apparatus can easily been carried either as a chest bag or over the shoulder. Its flameproof hood has been especially engineered to fit in any morphologies and face shapes including people wearing glasses and/or a beard. Compact and lightweight, the Saver CF breathing can be easily mounted on a wall or any strategic location to ease evacuations from hazardous areas. Featuring a large visor, this hood provides wearer a large field of view.

Regardless the selected model – Saver CF10 or Saver CF15 – this emergency breathing apparatus provides user a pressure of 200 bar for an airflow in the hood of 35 to 37 liters per minute. The 10 minutes version is equipped with a compressed air cylinder made of aluminium that contains 2 liters at 200 bar while the 15 minutes version includes a steel cylinder of 3 liters at 200 bar.

Thanks to advanced technologies, the Saver CF self-contained breathing apparatus is compliant with current standards and regulations on compressed air emergency respiratory protective devices. Moreover, because of its unique design, this device requires hardly no maintenance. A lateral transparent window enables user to quickly and safely control the cylinder manometer without opening the device.

Available in standard orange version with a soft bag, the Saver CF also fateures a black antistatic version that meets even the most demanding requirements for use in explosive atmospheres (ATEX zone 0). An integrated alarm whistle alerts wearer in case of low autonomy of the cylinder for even safer evacuation.

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Well-suited for emergency evacuation from confined spaces, the OXY 3000/6000 is a SCSR self-contained self-rescue device that chemically produces breathable air. Different versions offer from 30 up to 60 minutes autonomy.

  • drager SCSR oxy 3000 6000 oxygen self rescuer for emergency escape
  • Up to 60 minutes autonomy.
  • Shock absorbent shell to protect the device.
  • Safety Eye for easy visual safety check.
  • Dimensions: 265 x 217 x 125 mm for less than 4 kg.
  • Approved in compliance with SA 89/686/CEE DIN EN 13794 standards and Australian coal mining.
  • Storage shelf life up to 10 years.
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Self-rescuer SCSR OXY 3000/6000

Well-suited for emergency evacuation from confined spaces, the OXY 3000/6000 is a SCSR self-contained self-rescue device that chemically produces breathable air. Different versions offer from 30 up to 60 minutes autonomy.

drager SCSR oxy 3000 6000 oxygen self rescuer for emergency escape
  • Up to 60 minutes autonomy.
  • Shock absorbent shell to protect the device.
  • Safety Eye for easy visual safety check.
  • Dimensions: 265 x 217 x 125 mm for less than 4 kg.
  • Approved in compliance with SA 89/686/CEE DIN EN 13794 standards and Australian coal mining.
  • Storage shelf life up to 10 years.
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CEN-PAQ is very convenient and ideal for short interventions (15, 20 or 30 minutes), highly polluted environment applications or for emergency rescue in confined space or stale environment.

  • High visibility fireproof jacket with VELCRO fastener
  • Warning whistle and pressure gauge
  • Vision3, Promask or Panaseal full face masks
  • Stainless steel or composite compressed air cylinder
  • Compliant with EN137, EN136; EN139 standards
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Self-contained breathing apparatus – CEN-PAQ

CEN-PAQ is very convenient and ideal for short interventions (15, 20 or 30 minutes), highly polluted environment applications or for emergency rescue in confined space or stale environment.

Self-contained breathing apparatus CEN-PAQ
  • High visibility fireproof jacket with VELCRO fastener
  • Warning whistle and pressure gauge
  • Vision3, Promask or Panaseal full face masks
  • Stainless steel or composite compressed air cylinder
  • Compliant with EN137, EN136; EN139 standards
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