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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.

CAS TWA (8 hours) STEL (15 minutes) LEL IP Density / Air Filter / Air
10102-44-0 3 ppm 9.58 1.59 ARI

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.

The Radius BZ1 is a high performance area gas monitor. As it is made with rough materials, it suits in the most demanding ATEX standards and the harshest environments.

  • Industrial scientific area gas monitor Radius BZ1 for workers safety
  • Detection of combustible gases, Cl2, CO, H2, H2S, HCN, NH3, NO2, O2, SO2 and VOC.
  • Duplicate 108 dB audible alarm and red & blue LED visual alarm
  • Runtime: 168 hours without pump (7 days) and 84 hours with pump
  • Dimensions: 29 x 29 x 55 cm – weight 7.5 kg – 11.2 cm LCD display
  • Available with optional LENS wireless technology
  • Additional information
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Area gas monitor – RADIUS BZ1

The Radius BZ1 is a high performance area gas monitor. As it is made with rough materials, it suits in the most demanding ATEX standards and the harshest environments.

Industrial scientific area gas monitor Radius BZ1 for workers safety
  • Detection of combustible gases, Cl2, CO, H2, H2S, HCN, NH3, NO2, O2, SO2 and VOC.
  • Duplicate 108 dB audible alarm and red & blue LED visual alarm
  • Runtime: 168 hours without pump (7 days) and 84 hours with pump
  • Dimensions: 29 x 29 x 55 cm – weight 7.5 kg – 11.2 cm LCD display
  • Available with optional LENS wireless technology
Additional information

Designed in an impact and weather-resistant polycarbonate alloys housing, the Radius BZ1 area gas monitor is an extremely flexible solution to monitor a clearly defined area or a confined space. Moreover, the Radius BZ1 area gas monitor is equipped with the DualSense technology and is available with optional LENS Wireless technology.

 

DualSense technology uses two sensors of the same type to determine the concentration of a target gas in the atmosphere and reduce the risk of instrument failure while improving gas reading accuracy.

 

LENS is the first wireless gas detection solution that allows personal monitors and area monitors to communicate gas readings and alarms with one another. Thanks to the 360-degree gas path and all-weather sensor use, the Radius BZ1 area monitor can accurately detect gases regardless of environmental conditions and avoid false alarms.

 

The special nature of this gas detection area monitoring device lies in its SafeCore® module. This unit concentrates every critical technology pieces such as software, pumps and sensors. this module can be easily removed to be placed in any base in order to have a smaller fleet of instruments, easily dock it on a socking station – to download data logs and alarm events, bump test, calibrate and change settings – or to adapt each configuration to changin environment.

 

In case of anormal concentrations, powerful audible (108 dB at 1 m) and visual (ultra-bright blue and red lights) alarms will alert any operator working in the area, even in high-noise and dark environments. Custom alarm action messages like “EVACUATE” or “VENTILATE” can furthermore be configured in case of emergency situations in order to quickly and safely take corrective actions.

 

Lastly, the Radius BZ1 area gas monitor is equipped with a long-duration battery with 7 days (1168 hours) or typical runtime. An optional external extended battery can extend it over one month.

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The toxic gas detector GasBadge Pro ATEX series with interchangeable sensor. With a competitive price, this ATEX portable gas detector with interchangeable sensor combines power and flexibility.

  • Detection of Cl2, ClO2, CO, HCN, H2, H2S, NH3, NO2, O2, PH3, SO2.
  • Segmented LCD display for easy and direct reading
  • Internal data logging of alarm events and gas concentrations
  • CR2 3V lithium battery; 2,600 hours minimum runtime
  • Polycarbonate robust and waterproof housing
  • Additional information
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Portable toxic gas detector GASBADGE PRO

The toxic gas detector GasBadge Pro ATEX series with interchangeable sensor. With a competitive price, this ATEX portable gas detector with interchangeable sensor combines power and flexibility.

Portable gas detector GasBadge Pro
  • Detection of Cl2, ClO2, CO, HCN, H2, H2S, NH3, NO2, O2, PH3, SO2.
  • Segmented LCD display for easy and direct reading
  • Internal data logging of alarm events and gas concentrations
  • CR2 3V lithium battery; 2,600 hours minimum runtime
  • Polycarbonate robust and waterproof housing
Additional information

The GASBADGE PRO toxic gas detector is a classic single-gas detector. Its long-duration battery operates for about 2,600 hours and can be replaced when used. As for any other classic single-gas detectors, it is highly recommended to calibrate the GASBADGE PRO twice a year to ensure proper operation.

The GASBADGE PRO toxic gas monitor is a classic single-gas detector with interchangeable sensors and features a large range of electrochemical sensors. This technology is designed to detect toxic gases: Cl2 (chlorine), ClO2 (chlorine dioxide), CO (carbon monoxide), HCN (hydrogen cyanide), H2 (hydrogen), H2S (hydrogen sulfide), NH3 (ammonia), NO2 (nitrogen dioxide), O2 (oxygen), PH3 (phosphine) and SO2 (sulfur dioxide).

The GASBADGE PRO has 3 alarms: a powerful 95 dB audible alarm to alert even in noisy environments, a red LED visual alarm for view alert signals even in the darkest places like confined spaces and a vibrating alarm.

These alarms will be triggered by 4 events: if the lower or the upper limit values are reached, if concentrations get over the occupational exposure limit or if the average value threshold is exceeded. Abnormal gas concentrations and other data can also be saved and downloaded from the device.

Compact and lightweight, the GASBADGE PRO toxic gas detector is made with a strong polycarbonate housing with a robust and waterproof over-mold in compliance with IP67 protection. The GASBADGE PRO is ATEX approved as well for explosive atmosphere under current EU standards.

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MX6 6 gas detector (EXPLO, toxic and/or VOC): very large range of detected gases (IR absorption or electrochemical sensor), volatile organic compounds (VOC) with photoionization (PID) from 0 to 2,000 ppm.

  • Detection of the combustible gases, CL2, CLO2, CO, CO2, H2, HCN, HCl, H2S, NO, NO2, NH3, O2, PH3, SO2, VOC (volatile organic compounds)
  • Colored graphic LCD display for better view on gases concentrations. Simultaneous and continuous display of all gases.
  • Available with optional sampling pump
  • User-friendly multilingual menu for easy operation
  • Additional information
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Multi gas detector – MX6 ATEX – UP TO 6 GASES

MX6 6 gas detector (EXPLO, toxic and/or VOC): very large range of detected gases (IR absorption or electrochemical sensor), volatile organic compounds (VOC) with photoionization (PID) from 0 to 2,000 ppm.

Portable gas detector MX6
  • Detection of the combustible gases, CL2, CLO2, CO, CO2, H2, HCN, HCl, H2S, NO, NO2, NH3, O2, PH3, SO2, VOC (volatile organic compounds)
  • Colored graphic LCD display for better view on gases concentrations. Simultaneous and continuous display of all gases.
  • Available with optional sampling pump
  • User-friendly multilingual menu for easy operation
Additional information

The MX6-iBrid gas detector is an high-tech portable multi gas detector. Thanks to its rechargeable ion-lithium (Li-ion) battery, it can operates around 24 hours continuously. The optional extended battery can replace the standard one and extend the autonomy up to 36 hours. A lighter version with AA battery is also available for 10 hours of operation.

The MX6-iBrid portable multi gas detector can detect up to 6 gases simultaneously according to the configuration (some locations are dedicated to specific sensors). A large range of gases is furthermore available: combustible gases, chlorine (Cl2), chlorine dioxide (ClO2), carbon monoxide (CO), carbon dioxide (CO2), hydrogen (H2), hydrogen cyanide (HCN), hydrogen chloride (HCl), hydrogen sulfide (H2S), nitric oxide (NO), nitrogen dioxide (NO2), ammonia (NH3), oxygen (O2), phosphine (PH3), sulfur dioxide (SO2) and many volatile organic compounds (VOC).

The MX6-iBrid combines the highest sensor technologies for accurate measures. Oxygen and toxic gases are detected with an electrochemical sensor. Combustible and explosive gases are on the other hand detected with a catalytic sensor or through infrared absorption. This IR technology is also used to detect carbon dioxide. Lastly, volatile organic compounds are detected with a photoionization sensor (<10,6 eV).

This portable multi gas detector is considered as a high-technology device as it is the first portable gas detector featuring a colored display. This allows users to easily read events curbs of every gas without misunderstanding. The MX6-iBrid is compliant with the most demanding ATEX standards and with the IP67 ingress protection level thanks to its shock-resistant polycarbonate overmolded housing.

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The Satellite XT is a fixed gas detector with interchangeable sensors. It is especially designed to continuously monitor hazardous concentrations of gases.

Detected gases: AsH3, BBr3, B2H6, BCl3, BF3, Br2, C2H4O, Cl2, ClF3, ClO2, CO, COCl2, F2, GeH4, H2, H2S, H2Se, HBr, HCl, HCN, HF, HMDS, MCF, MMH, N2H4, NH3, NO, NO2, O2, O3, PH3, POCl3, SiCl4, SiHCl3, SO2,TBA, TBP, TDMAT, TEOS, TMB, TMP, UDMH, WF6.

  • Fxed gas detector Satellite XT
  • Pyrolysis module detection: C4F6, C5F8, CH3F, DCE 1.2, NF3, SF6
  • Pre-calibrated interchangeable sensors, easy maintenance
  • 4-20mA linear output
  • 3 optional single-pole relays
  • Optional remote measure (up to 3 meters)
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Toxic corrosive & combustible gas detector – satellite xt

The Satellite XT is a fixed gas detector with interchangeable sensors. It is especially designed to continuously monitor hazardous concentrations of gases.

Detected gases: AsH3, BBr3, B2H6, BCl3, BF3, Br2, C2H4O, Cl2, ClF3, ClO2, CO, COCl2, F2, GeH4, H2, H2S, H2Se, HBr, HCl, HCN, HF, HMDS, MCF, MMH, N2H4, NH3, NO, NO2, O2, O3, PH3, POCl3, SiCl4, SiHCl3, SO2,TBA, TBP, TDMAT, TEOS, TMB, TMP, UDMH, WF6.

Fxed gas detector Satellite XT
  • Pyrolysis module detection: C4F6, C5F8, CH3F, DCE 1.2, NF3, SF6
  • Pre-calibrated interchangeable sensors, easy maintenance
  • 4-20mA linear output
  • 3 optional single-pole relays
  • Optional remote measure (up to 3 meters)
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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.

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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Sigma self-contained breathing apparatus from SCOTT Safety combines highest respiratory protection levels to a cost-effective and user-friendly equipment to meet industrial and marine sectors requirements.

  • High performance pneumatic system
  • Ultra-compact demand valve triggered from first breath
  • Lighweight and ergonomic backplate and fireproof harness
  • Possibility to switch to demand constant flow
  • Large range of full face masks: Vision 3, Promask PP and Panaseal
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Self-contained breathing apparatus – SIGMA

Sigma self-contained breathing apparatus from SCOTT Safety combines highest respiratory protection levels to a cost-effective and user-friendly equipment to meet industrial and marine sectors requirements.

Self-contained breathing apparatus SIGMA
  • High performance pneumatic system
  • Ultra-compact demand valve triggered from first breath
  • Lighweight and ergonomic backplate and fireproof harness
  • Possibility to switch to demand constant flow
  • Large range of full face masks: Vision 3, Promask PP and Panaseal
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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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FLITE respiratory protective equipment is well-suited for many industrial applications where the oxygen rate cannot be guaranteed.

  • Compressed air supply
  • Lightweight user-friendly harness with safety belt
  • Tempest positive pressure demand valve
  • Constant flow bypass function
  • Optional escape cylinder
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Airline respirator – FLITE

FLITE respiratory protective equipment is well-suited for many industrial applications where the oxygen rate cannot be guaranteed.

Airline system FLITE
  • Compressed air supply
  • Lightweight user-friendly harness with safety belt
  • Tempest positive pressure demand valve
  • Constant flow bypass function
  • Optional escape cylinder
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