Oxygen (O2)
Oxygen (O2), commonly known as oxygen, is a naturally occurring gas that makes up approximately 20% of the Earth’s atmosphere. It is essential for almost all forms of life on Earth and plays a crucial role in various processes. Highly reactive O2 gases can easily form compounds (particularly oxides) with most elements, except for noble gases like helium and neon.
Oxygen effects on health
Oxygen (O2) is a colourless, odourless and tasteless gas that composes breathing air at 10.9%. In contrast to the great majority of gases, the lower the O2 is inhaled primarily in case of asphyxia, intoxication to carbon monoxide, or to treat acute pulmonary edema. In contrast to most gases, oxygen is not measured in ppm but in % volume.
CAS-number: 7782-44-7.
Oxygen detector
At WatchGas, we provide high-quality O2 gas detectors designed to ensure accurate oxygen detection in various settings. O2 gases play a vital role in many industries, but improper oxygen levels—either too low or too high—can pose serious health and safety risks. Whether you work in confined spaces, laboratories, chemical plants or manufacturing facilities, having a reliable oxygen detector is essential to maintaining safe oxygen levels and preventing hazards such as oxygen depletion or enrichment.
Why is an oxygen detector important?
An oxygen detector continuously monitors O2 gas levels to ensure they remain within a safe range. Oxygen depletion can lead to asphyxiation, while high oxygen levels can increase the risk of fire or explosions. Our gas equipment provide real-time oxygen detection, alerting workers immediately when levels fall below or rise above safe thresholds. This is crucial in confined spaces, where oxygen can be displaced by other gases, creating life-threatening conditions. Our advanced O2 detectors are used in industries such as mining, pharmaceuticals, wastewater treatment and gas production, ensuring compliance with health and safety regulations.
Find the right O2 detector at our company
At WatchGas, we offer multi-gas and single-gas detectors that deliver accurate, real-time readings for optimal workplace safety. Our gas detectors are durable, easy to use and equipped with advanced sensor technology to detect even the smallest fluctuations in oxygen levels. Would you like to learn more about our oxygen detectors and how they can improve oxygen detection in your workplace? Contact us today—our experts are ready to help you find the best O2 gas detector for your specific needs.
Compatible products
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Low costs of Ownership
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Single gas
UNI Disposable 
The UNI Disposable is a disposable and low cost of ownership, version of UNI Sustainable single gas detector. It detects H2S (Hydrogen Sulphide), CO (Carbon Monoxide), and O2 (Oxygen) in your selection of models for operation life of 12-months and 36-months.
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Wide range of sensors
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Versatile
XDI
The XDI-F1 Gas Sensor is capable of utilizing a wide range of sensor cell types offering an unmatched number of gases that may be monitored. Standard 4~20mA signaling with CANbus address enables the sensors to be networked via the WatchGas Combi control system or customer preferred monitoring systems.
