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Oxygen – O2

Find here the essential information on dioxygen (O2) or oxygen: characteristics, effects on health, detection devices & systems – O2 monitor or rather oxygen depletion sensor – and respiratory protective equipment (self-contained breathing apparatus and supplied air respirator).

O2 monitor portable gas detector and sensors with oxygen respiratory protection

Oxygen properties

Dioxygen (O2) – which is most commonly known as oxygen – is a gas naturally present in the atmosphere at around 20%. It is essential to almost any form of life on Earth. This highly reactive gas can easily produce compounds (particularly oxides) from elements except for noble gases like helium or neon.

CASLSE / LSETWA / STELIPDensity / AirFilter / SCBA
215-629-812.1 eV1.43SCBA

Oxygen effects on health

Oxygen (O2) is a colorless, odorless and tasteless gas that composes breathing air at 10.9%. In contrast to the great majority of gases, the lower the oxygen (O2) concentration is, the higher are the risks for health. In the medicine field, O2 is inhaled primarily in case of asphyxia, intoxication to carbon monoxide, or to treat acute pulmonary edema… This gas is not measured in ppm but in % volume.

Effects of oxygen levels: why use a portable O2 monitor

Effects of oxygen levels (O2) on health

Oxygen gas O2 monitor

As oxygen is colorless and odorless, this gas cannot be detected without proper equipment. Only an O2 monitor (oxygen depletion sensor) can accurately measure concentrations of oxygen in the air. Thus it is recommended to use an oxygen detection device in % volume.

The compact disposable gas detector WatchGas PDM continuously and accurately measures concentrations of carbon monoxide (CO), hydrogen sulfide (H2S), sulfur dioxide (SO2), ammonia (NH3) or oxygen (O2) even in the harshest conditions.

  • Disposable gas detector for CO, H2S, NH3, SO2 or O2 gas monitoring
  • 2 year continuous runtime
  • CO, H2S,NH3 SO2 or O2 detection
  • High performance in a small housing
  • Easy to use with large LCD display
  • Convenient accessories available: docking station and infrared module
  • Additional information
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Disposable gas detector WatchGas PDM

The compact disposable gas detector WatchGas PDM continuously and accurately measures concentrations of carbon monoxide (CO), hydrogen sulfide (H2S), sulfur dioxide (SO2), ammonia (NH3) or oxygen (O2) even in the harshest conditions.

Disposable gas detector for CO, H2S, NH3, SO2 or O2 gas monitoring
  • 2 year continuous runtime
  • CO, H2S,NH3 SO2 or O2 detection
  • High performance in a small housing
  • Easy to use with large LCD display
  • Convenient accessories available: docking station and infrared module
Additional information

The WatchGas PDM disposable gas detector is a single-gas detector that continuously operates for two years. This daily portable gas monitor offers its user high reliability and comfort of use in any environment.

This personal protective equipment operates up to two years maintenance-free and is one of the most cost-effective single-gas detector on the market. Because of its disposable nature, this portable gas detector runs continuously from first start-up and requires no lithium battery charging or electrochemical sensor replacement. This monitor offers great reliability and no maintenance downtime.

The WatchGas PDM disposable single-gas detector is easy to wear thanks to its strong metal crocodile clip and can be worn on a collar, a belt or even a safety helmet. Compact and lightweight with a weight going from 93g up to 104g depending on the sensor, this portable single-gas detector is IP67 certified against dusts and water. Its housing is made of polycarbonate and rubber, making the WatchGas PDM a rugged disposable gas detector that can be used even in the harshest environments.

Once the target gas concentrations in ambient air exceeds alarm thresholds, the powerful 95dB audiovisual alarm of the WatchGas PDM single-gas detector will activate to alert people working in the hazardous area.

Thanks to its optional docking station, it is even easier to calibrate and bump test the WatchGas PDM disposable gas monitor. This docking station can hold up to 4 WatchGas PDM single-gas devices at once for faster testing of several instruments. It can also manage the detectors settings, test parameters and can be used to transfer data stored for further analysis. Moreover, as it can be easily carried and used with rechargeable batteries, the WDS docking station is ideal for in-vehicle or multi-site use.

The WIR – WatchGas IR – infrared module also available as an option enables remote detector configuration (alarm thresholds) and data retrieving of the last 30 alarm events.

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The X-am 2500 portable 4 gas monitor has been especially designed to accurately monitor concentrations of 1 up to 4 gases:  combustible gas (0 - 100% LEL) oxygen (O2), carbon monoxide (CO), hydrogen sulfide (H2S), nitrogen dioxide (NO2) and sulfur dioxide (SO2). The device is guaranteed for 3 years.

  • 4 gas monitor: Drager portable multi gas detector for oxygen O2,CO, H2S, NO2, and SO2 monitoring
  • Large LCD display for easy concentrations reading
  • High capacity battery for over 12 hours operation
  • Ergonomic and robust design, ATEX approved
  • Long-lasting specific sensors
  • Available with optional pump for remote sampling
  • Additional information
Request a quote

Portable 4 gas monitor X-am 2500

The X-am 2500 portable 4 gas monitor has been especially designed to accurately monitor concentrations of 1 up to 4 gases:  combustible gas (0 - 100% LEL) oxygen (O2), carbon monoxide (CO), hydrogen sulfide (H2S), nitrogen dioxide (NO2) and sulfur dioxide (SO2). The device is guaranteed for 3 years.

4 gas monitor: Drager portable multi gas detector for oxygen O2,CO, H2S, NO2, and SO2 monitoring
  • Large LCD display for easy concentrations reading
  • High capacity battery for over 12 hours operation
  • Ergonomic and robust design, ATEX approved
  • Long-lasting specific sensors
  • Available with optional pump for remote sampling
Additional information

Especially designed for use in hazardous atmospheres, the X-am 2500 portable multi gas detector is ATEX approved for zone 0 (permanent explosive atmosphere). This small 4 gas monitor can accurately and reliably detect the presence of up to 4 gases among O2 (oxygen), CO (carbon monoxide), H2S (hydrogen sulfide), NO2 (nitrogen dioxide) and SO2 (sulfur dioxide).

The powerful tiny sensors of the X-am 2500 multi gas detector allow safe and reliable detection of hazardous gases concentrations. Thus these high performance gas detection sensors are ideally well-suited for industrial applications and refineries. Moreover, thanks to their unique design, these gas detection sensors feature a long-lasting shelf life – up to 5 years for O2, CO and H2S sensors. This high sensor durability then enables reduction of gas detection related operating costs.

Thanks to its compact and lightweight design associated to a robust crocodile clip, the X-am 2500 portable 4 gas monitor can be easily and comfortably worn on a belt or on a collar without disturbing the user. Moreover, this portable multi gas  detector features several gas entries on the top and on the front in order to properly operate even if the device is inside a pocket or if one of the entries is accidentally covered. As a safety device against potentially dangerous gas concentrations, the X-am 2500 has a 3 years guarentee to ensure maximum security to its user.

The X-am 2500 portable gas monitor  features a large easy to read LCD display. All of the target gases are simultaneously displayed on the screen and once a gas alarm occurs, the hazardous target gas is highlighted for fast recognition of the hazard. The ultra-bright visual alarm can be seen at 360° and is coupled with acoustic 90 dB at 30 cm and vibrating alarms.

An optional gas sampling pump is available to draw remote samples up to 30 meters in order to get sure of gases concentrations in confined spaces like tanks or pits before any intervention. This gas sampling pump, designed for this 4 gas monitor, automatically triggers upon the device start-up and it is very easy for the user to switch from pump mode to diffusion mode without any tool.

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The Pac 6500 by Dräger is an easy to use single-gas detector that offers a very fast response time and excellent precision.

Monitoring: Carbon monoxide (CO), Hydrogen sulfide (H2S), Oxygen (O2), Sulfur dioxide (SO2)

  • Portable single-gas detector Pac 6500 by Drager for CO, H2S, SO2 and O2 monitoring
  • Operating conditions: -30 °C to 55 °C, 700 to 1 300 hPa
  • Alert signals: audible 90dB alarm , flashing LED lights, vibration
  • ultra resistant housing, waterproof, dustproof, IP68
  • Large backlit screen, no text & clear information display
  • Certifications : cCSAus, IECEx, ATEX, CE
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Portable single-gas detector Pac 6500

The Pac 6500 by Dräger is an easy to use single-gas detector that offers a very fast response time and excellent precision.

Monitoring: Carbon monoxide (CO), Hydrogen sulfide (H2S), Oxygen (O2), Sulfur dioxide (SO2)

Portable single-gas detector Pac 6500 by Drager for CO, H2S, SO2 and O2 monitoring
  • Operating conditions: -30 °C to 55 °C, 700 to 1 300 hPa
  • Alert signals: audible 90dB alarm , flashing LED lights, vibration
  • ultra resistant housing, waterproof, dustproof, IP68
  • Large backlit screen, no text & clear information display
  • Certifications : cCSAus, IECEx, ATEX, CE
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The PointGard 2100 oxygen controller is a stand-alone, ready-to-use fixed oxygen depletion monitor. Simple to install and to use, this device is equipped with a powerful oxygen sensor, audible and visual alarm systems in an ultra-resistant case.

  • PointGard 2100 oxygen controller, monitoring device by Drager
  • Autonomous oxygen detection system 
  • Integrated audible and visual alarms 
  • Class 4X / IP66 (warterproof & dustproof) protection ingress 
  • 5 years sensors life (annual calibration required) 
  • Entirely ready to use device 
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Self-contained oxygen controller – PointGard 2100

The PointGard 2100 oxygen controller is a stand-alone, ready-to-use fixed oxygen depletion monitor. Simple to install and to use, this device is equipped with a powerful oxygen sensor, audible and visual alarm systems in an ultra-resistant case.

PointGard 2100 oxygen controller, monitoring device by Drager
  • Autonomous oxygen detection system 
  • Integrated audible and visual alarms 
  • Class 4X / IP66 (warterproof & dustproof) protection ingress 
  • 5 years sensors life (annual calibration required) 
  • Entirely ready to use device 
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Poorly oxygenated area respiratory protective equipment - O2

As any air purifying respiratory protective device is inefficient in case of oxygen deficiency, it is advised to wear a self-contained breathing apparatus or a supplied air respirator for long-term interventions.

The M20.2 is the world’s smallest emergency escape breathing device (or EEBD). Compact, lightweight and ergonomic, it can be easily belt-mounted.

  • emergency escape breathing device M20.2
  • On use / stand-by duration : 15-20 minutes / 32 minutes
  • Donning time : less than 10 seconds.
  • Compact and lightweight: 18.3 x 16.5 x 7.9 cm – less than 1 kg.
  • Can be refurbished after use.
  • Compressed oxygen air supply.
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Emergency escape breathing device M20.2

The M20.2 is the world’s smallest emergency escape breathing device (or EEBD). Compact, lightweight and ergonomic, it can be easily belt-mounted.

emergency escape breathing device M20.2
  • On use / stand-by duration : 15-20 minutes / 32 minutes
  • Donning time : less than 10 seconds.
  • Compact and lightweight: 18.3 x 16.5 x 7.9 cm – less than 1 kg.
  • Can be refurbished after use.
  • Compressed oxygen air supply.
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Especially designed for industrial applications, the self-contained breathing apparatus R-Pas combines reliability, performance and comfort of use. Composed by an SCBA mask, a compressed air cylinder and a harness, the R-Pas complete set is provided in its carrying case.

  • complete SCBA set R-pas kit by Dräger: a full self-contained breathing apparatus in its carrying case
  • Efficient weight balance
  • Air supply hose and manometer integrated to the harness
  • Full face respiratory protective mask
  • Provided with high visibility orange carrying case
  • Well suited for use in ATEX zones
  • Additional information
Request a quote

R-Pas complete SCBA set with carrying case

Especially designed for industrial applications, the self-contained breathing apparatus R-Pas combines reliability, performance and comfort of use. Composed by an SCBA mask, a compressed air cylinder and a harness, the R-Pas complete set is provided in its carrying case.

complete SCBA set R-pas kit by Dräger: a full self-contained breathing apparatus in its carrying case
  • Efficient weight balance
  • Air supply hose and manometer integrated to the harness
  • Full face respiratory protective mask
  • Provided with high visibility orange carrying case
  • Well suited for use in ATEX zones
Additional information

Especially designed for use in industrial applications, the R-Pas set is a self-contained breathing apparatus with reduced maintenance needs. It combines performance, reliability and comfort of use.

Particularly lightweight and multifunction, this open-circuit SCBA is an ideal solution in presence of toxic gases or for use in poorly oxygenated environments. As it is compliant with the EN 137-2 standard, the R-Pas set is also recommended for fire interventions. Thus it is widely used by firefighters all around the world.

Delivered complete in its high visibility orange carrying case, the R-Pas is part of the latest generation of self-contained breathing apparatus. It is composed by an SCBA mask, a compressed air cylinder and a harness.

The harness is lightweight and easy to don. It is equipped with a factory pre-set flow regulator and a demand flow regulator. Thanks to its lightweight, antistatic and shock resistant design and rubber protection for the manometer, this harness is especially made for use in the harshest environments. Its harness is made of lightweight flameproof buckles, adjustable straps and rubber backplate highly resistant to chemical products. This way, the R-Pas SCBA is well-suited for fire situations. Moreover air supplying and manometer hoses are directly mounted into the harness backplate for better comfort.

The SCBA mask included in the R-Pas set is made of elastomer for easy adjustment and perfect fit with any shape of face. Thanks to its dual airtight seal and a 180° visor, this respiratory protective mask offers an outstanding comfort of use and a large distortion-free field of view for an excellent peripheral view. Furthermore this mask is provided with a specific bag in order not to be damaged or scratched during transport in the carrying case.

The compressed air cylinder that is also included in the R-Pas set is lightweight and robust. Made of lightened steel, this cylinder is equipped with an EN tap. Thanks to its 6 liters capacity at 300 bars, this compressed air cylinder provides clean air for approximately 40 minutes for safe interventions.

The high visibility orange carrying case has been especially designed to carry the full SCBA R-Pas set, including the connected cylinder and is ready for use.

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As it is lightweight yet rugged and robust, the PSS® 3000 is a next generation SCBA respirator especially designed for industrial applications and firefighters.

  • Drager SCBA Respirator PSS® 3000 for better safety in industrial applications
  • Excellent pneumatic performance
  • Easy to use
  • Integrated air supplying hoses
  • Comfortable and ergonomic harness
  • Large choice of available configurations
  • Additional information
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SCBA respirator PSS® 3000 self-contained breathing apparatus

As it is lightweight yet rugged and robust, the PSS® 3000 is a next generation SCBA respirator especially designed for industrial applications and firefighters.

Drager SCBA Respirator PSS® 3000 for better safety in industrial applications
  • Excellent pneumatic performance
  • Easy to use
  • Integrated air supplying hoses
  • Comfortable and ergonomic harness
  • Large choice of available configurations
Additional information

The PSS® 3000 self-contained breathing apparatus is a high performing device that has been especially designed for firefighters and operators evolving in fire situations. As ease of use and efficiency are key elements in this kind of situations, the PSS 3000 has been engineered to be lightweight and easy to use. To date, this self-contained breathing apparatus is one of the most advanced device of this category on the market.

As it is one of the world lightest SCBA respirator, the PSS 3000 is a combination of the best air supplying respiratory protection technologies. The harness and the backplate are particularly robust and resistant to mechanical, chemical or thermal wear and tear.

Especially designed to be versatile the PSS 3000 maintenance is easy and fast. This way, all the key components of this device can be easily and swiftly removed and replaced. Moreover, medium pressure air supplying and manometer hoses are directly integrated into the backplate in order not to clutter up the user. This system also enables the device to be less cumbersome for interventions on confined spaces or difficult access areas for example. Lastly, in order to provide the best user experience, the hoses can be re-routed from one side to the other in order to fit the user’s preferences.

The harness, key element of this SCBA respirator was thought to perfectly fit around the body of its user in order to reduce fatigue, back strain and stress. Very resistant, this harness features lightweight and flameproof buckles and adjustment straps that are resistant against wear and tear and rubber cover protections against potential schocks and impacts.

The PSS 3000 self-contained breathing apparatus is available with a large range of respiratory protective accessories including the FPS 7000 panoramic SCBA mask that offers comfort and a large field of view. This range also includes compressed air cylinders equipped with TN type taps; rotating on-demand valve that follows the user’s movements or even the Bodyguard 1000 personal alert safety system also down as man down detector.

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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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