GAS DETECTION


advancEd monitoring for dangErous lEaks


in inclEmEnt WEatHEr new Honeywell searchline Excel plus and searchline Excel Edge use advanced optics and infrared technology to help worksites achieve site monitoring in fog, rain, snow and other weather conditions


inclement weather, helping facilities keep their oil and gas, petrochemical, chemical and other workers and industrial sites safe. The new Honeywell Searchline Excel Plus and


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Searchline Excel Edge are the next generation of open path gas detectors that use advanced optics and high-powered infrared technology, allowing the devices to stay online in weather conditions with worse visibility and at longer distances than before. The new gas detectors also feature Bluetooth connectivity that allow quicker and easier device maintenance and calibration for plant personnel. "Protecting worksites and workers is the


Number One priority for any business," says Jason Winburn, senior product manager, Honeywell Gas Analysis and Safety. "Honeywell's Searchline Excel Plus and Searchline Excel Edge can continuously monitor for leaks even in poor weather, giving plant operators peace of mind knowing that their gas detection system can withstand various outdoor conditions." Many traditional open path, fixed gas


detectors and monitors can be vulnerable to weather conditions such as fog, rain, snow and mist. In these instances, open path detector signals can be blocked, bringing devices offline and unable to monitor for harmful flammable hydrocarbon gases. With Honeywell's advanced optics and Near Band Infrared absorption technology built into the Searchline devices, they have the ability penetrate through thick fog with minimal visibility. Additionally, both the


Searchline Excel Plus and Edge feature Bluetooth connectivity. These gas detectors can be paired with the Honeywell Fixed Platform App, offering simplified maintenance and testing procedures, which in turn means more efficient and safer performance checks. For example, because workers can use


30 WintEr 2021 | industrial compliancE


oneywell has announced the release of two new Bluetooth-connected gas detectors that can deliver continuous monitoring for dangerous gases even in fog, rain, snow and other


their mobile devices from up to 20m away to conduct maintenance checks, they do not need to regularly climb on high ladders and risk falling to check devices located high off the ground. Open path gas detectors play an important


role in a facility's fixed gas detection system, creating an invisible line that senses gases passing between the device's transmitter and receiver. The Searchline Excel Plus monitors short and mid-range applications from two to 120m, allowing workers to monitor specific areas or equipment for continuous safety applications. The Searchline Excel Edge provides long


range perimeter or fence line monitoring from 60 to 330m. Along with wind direction and speed, worksite employees can both monitor whether their facility could be emitting harmful gases into neighboring areas or if neighboring plants may have leaks of their own that are crossing onto the facility's property and need to be addressed. In both instances, monitoring for gas emissions shows environmental due diligence and can be a factor in avoiding or reducing costly fines and litigation.


Honeywell www.honeywell.com


gas dEtEctors triggEr alarms for toxic and combustiblE gasEs


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merson has introduced two new open path gas detectors to increase


safety and reduce downtime by offering performance reliability over wide areas in extreme environments and an easier, faster installation and commissioning process. Extreme environments include both heavy vibration conditions and operating temperatures ranging from -55°C up to 65°C degrees commonly found in the oil and gas, refining, chemical, mining and large-scale refrigeration system operations. The Rosemount 935 Open Path Combustible


Gas Detector uses infrared technology to detect a wide range of highly combustible hydrocarbon gases, including methane, propane and ethylene. In the oil and gas industry alone, 22 per cent of all fatalities come from explosions (combustion or fire) and exposure to hazardous gases, according to the latest statistics from the CDC’s (Centers for Disease Control and Prevention) National Institute for Occupational Safety and Health. The Rosemount 936 Open Path Toxic Gas


Detector uses ultraviolet technology to detect hydrogen sulphide and ammonia, two of the most common toxic gases in industrial facilities. The US Occupational Safety and Health Administration considers hydrogen sulphide immediately dangerous to life and health at 100 ppm. Ammonia irritates skin, eyes, nose and the respiratory tract at 130 ppm. Both gases are fatal after exposure at certain levels. Leveraging xenon flash technology, the


Rosemount 936 enables greater installation flexibility versus the tunable diode laser (TDL) technology which needs perfect alignment between beam and receiver for high reliability. With nearly twice the tolerance for misalignment than TDL, users can save up to 30 per cent of installation time and streamline project schedules.


Emerson www.emerson.com


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