Gas detection is no joke. It’s a matter of life and death. That’s why gas detectors are an indispensable tool across various industries. They save lives, prevent explosions, and protect against harmful chemical exposures.
But how can we detect gas leaks and hazards that are practically invisible? There are several types of gas monitors for all types of hazards.
PORTABLE vs FIXES
Fixed monitors: stay put, constantly scanning for gas hazards in specific areas. Portable detectors: move with the user, providing real-time assessments of gas presence. They’re particularly useful in rarely visited areas that may accumulate toxic gases or have low-oxygen environments.
However, it’s not one-size-fits-all when it comes to gas detection. Different gases pose different risks and require different detection methods. Flammable gases, toxic gases, asphyxiating gases, and combustible gases all need specific detection equipment to ensure accurate monitoring and appropriate responses.
TOXICITY SENSORS
Toxicity Sensors sample the air for known toxic gases.
Metal Oxide Semiconductor (MOS): Ideal for gases like (CO) & (HS2). Detect changes in electrical conductivity when gases come into contact with a metal oxide surface. Electrochemical: Designed to detect toxic gases&oxygen deficiencies. Rely on chemical reactions that occur at the electrode surfaces when gas comes into contact with the sensor.
LES Sensors
For combustion hazards and the detection of explosives and flammables
Catalytic Bead Sensors: Great for flammable gases; utilizes a heated wire coated with a catalyst that promotes oxidation of combustible gases.
Infrared (IR) Sensors: Perfect for hydrocarbons and combustible gases, based on absorption of infrared light at specific wavelengths.
Photoionization Detectors (PIDs): Great at detecting multiple threats; utilizes UV light to ionize gas molecules, allowing for the detection of volatile organic compounds (VOCs) and other gases.
Many gas detection systems can be seamlessly integrated with other safety systems, like fire alarms and ventilation systems. This allows for centralized monitoring, coordinated responses, and enhanced safety management.
Don’t forget about calibration! Regular calibration ensures that detectors function correctly, providing accurate readings and timely alerts. It compensates for sensor drift, environmental factors, and aging components. So, stay on top of your calibration game. Learn more about calibration HERE.
Gas detection is serious business, but with the right tools and knowledge, you can protect yourself, your team, and your site. Don’t leave it up to chance – invest in gas detectors and ensure everyone’s safety.
Learn more about common challenges in gas detection HERE.
Learn more about calibration practices here.
Browse our Gas Detection here.
