32 Gas Detection


Continuous Monitoring for Cost-Effective Protection


Gas Sensing Company Continues to Commit to Customer Safety and Convenience


Edinburgh Sensors was founded in 1988 and from then have committed themselves to developing gas sensing technology and equipment to the highest levels for all their customers. Since the 1940s Non-dispersive Infrared (NDIR) sensing has become an important, safe, reliable and accurate method for the detection of gases such as CO, CO2


, CH4 and various


A fi xed gas detection system protects your assets whilst helping to fi ne tune your process and improve effi ciency. It is designed to negate the need for labour intensive manual gas monitoring to be completed. Furthermore, it is easier and more cost effective to maintain than portable gas analysis as it is less susceptible to loss and damage.


Geotech’s GA3000 PLUS is a robust fi xed position gas analyser that helps customers do that and more. It monitors CH4


, CO2 and O2 with the additional option to measure H2 S, H2 and CO.


Its multipoint sampling enables users to analyse gas from up to three sample points with various ranges for the H2


S option of


between 50 and 10,000ppm. It also protects the measurement technology by periodically air purging the system and delivers outputs including the industry standard 4-20mA and MODBUS RTU.


Additional communication options include Profi bus DP and Profi net. Model variants include systems specifi cally designed for different applications including desulphurisation effi ciency and CHP engine protection.


The GA3000 PLUS comes equipped with a large and clear backlit display for low light conditions that shows ‘at a glance’ monitoring values, making it easy for busy technicians to monitor levels whilst they are on the go.


The GA3000 PLUS comes in a self-contained IP65 stainless steel enclosure with an optional internal ATEX approved heater avoiding condensation problems, increasing the lowest operating temperature from 0°C to -20°C. The unit contains a moisture fi lter designed to protect the system and prevent damage from moisture ingress as a result of process moisture or condensed water vapour. The automatic drain option is also available to drain the collected moisture automatically, ultimately reducing the need for regular onsite maintenance.


The system is designed to avoid unnecessary downtime as operators can easily install a temporary replacement analyser ensuring service periods are trouble free and allow the user to then have their analyser serviced at Geotech’s worldwide network of approved service distributors. The GA3000 PLUS needs only to be calibrated every six months allowing users to enjoy low service frequency and cost.


Ultimately, the GA3000 PLUS offers 24-hour monitoring that reduces dependency on onsite personnel and provides assurance that process gas is being monitored at all times. Beyond that, it also provides safeguard to your business by detecting anomalies.


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refrigerants. In essence, one version of this equipment, consists of an infrared lamp, a sample chamber or light tube, a light fi lter and an infrared detector. The IR light is directed through the sample chamber towards a dual detector. One element of the detector is covered by an optical fi lter that passes light that is absorbed by the gas being detected the other element is covered by an optical fi lter that passes light that is not absorbed by the gas being detected.


A gas such as sulphur hexafl uoride (SF6) is an extremely potent greenhouse gas and therefore leaks to the environment must be minimised. Inorganic, colourless and odourless it does however absorb strongly in the infrared, so NDIR sensors of the type described above are ideal for detection at very low ppm concentrations of this and other important gases.


NDIR technology has now been widely accepted and standardised by gas sensor manufacturers worldwide and our diverse range of robust OEM Gas Sensors and Gas Monitors enables fast, reliable and continuous gas detection which has given Edinburgh Sensors a truly global reputation for accuracy, safety and reliability. Applications are many and including horticulture, brewing, agriculture, process control, biogas, personal safety and indoor air quality.


Edinburgh Sensor’s’ Guardian NG NDIR gas monitors typify the company’s commitment to your convenience and safety, backed by over thirty years of sensor design and manufacturing experience. They are wall-mounted and easy to install, detecting gases from sampling points up to 30 metres away, using the built in sampling system. Monitors are housed in robust plastic IP54 rated enclosures to prevent the ingress of particulates and water and have an integral LCD display with digital alarm set-point controls and password protection to prevent accidental or deliberate change of settings.


The Guardian NG infrared gas monitors provide near-analyser quality, offering continuous sampling, measurement and display of target gas concentrations for either CO2


or CH4 gases, where


detection level ranges of between 0 – 3000 ppm and 0 – 100% by volume are required. Data can be easily transferred via an on board RS232 I/F with optional Ethernet I/F and relay outputs for control of external devices. Graphical display of historic readings is also possible over a period defi ned by the user.


The Guardian NG DC infrared gas monitor also offers near- analyser quality continuous sampling, measurement and display of CO2


concentrations between 0 – 3000 ppm by volume


but from low voltage DC (18-30V) supplies. Like the AC Guardian NG these monitors offer long-term stability plus low maintenance, all part of our commitment to their customers that has helped make Edinburgh Sensors a leader in the fi eld of gas sensing.


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Real Time Multigas Detector : Safety at the Speed of Now


The new MSA ALTAIR 4XR Multigas Detector provides real time event notifi cation using Bluetooth connectivity. This tough and reliable 4-gas monitor with proven MSA XCell Sensors is among the fastest in the world, and when paired with the MSA ALTAIR Connect app, can text alarm notifi cations to supervisors, team members or other users. Maintenance, operational support and compliance are quickly and reliably enhanced; real-time alarm and event notifi cations let you deliver an entirely new level of safety. ALTAIR 4XR Multigas Detector is MSA’s most rugged gas detector yet, including the ability to survive a 7.5 m drop, an IP68 rating, a Military Grade Rating (MIL-STD-810G) and a comprehensive 4 year warranty.


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MSA XCell Sensors are unequaled in today’s market, enabling faster response, shorter span calibrations and longer life, saving you time and money. ASIC sensor technology provides greater control, higher performance, plug-and-play capability, greater RF immunity, and end-of-sensor-life warning to minimize downtime and inventory replacement. This is not by chance that the ALTAIR 4XR was a fi nalist of “The Speedy Innovation Award”!


“The Speedy Innovation Award” is for the product that could demonstrate improvements in areas such as Health and Safety, regulatory compliance, ease of use or cost saving – through the application of new technology, design or service processes. The products entered for “The Speedy Innovation Award” had to show real end user benefi ts and tangible advantages over similar products or services.


AET Annual Buyers Guide 2017 www.envirotech-online.com


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Intrinsically Safe Gas Detection Camera for Use in Potentially Explosive Atmospheres


FLIR Systems has announced the FLIR GFx320, an optical gas imaging (OGI) camera for the oil and gas industry that is designed for use in potentially explosive atmospheres. The FLIR GFx320 detects and visualizes invisible hydrocarbon gas emissions, such as methane, and common volatile organic compounds (VOCs) found at oil and natural gas facilities. It carries certifi cations to global standards and is recognized as Intrinsically Safe, explosion-protected equipment by the International Electrotechnical Commission.


As a certifi ed Intrinsically Safe OGI camera, the FLIR GFx320 represents groundbreaking technology for surveying critical and potentially dangerous work zones. Instead of scanning for fugitive and non-fugitive gas emissions from outside hazardous areas, with the FLIR GFx320 workers can assess potential risks from afar and, once the area is deemed safe, enter with the camera to continue scanning. The fi rst FLIR camera with the Intrinsically Safe designation, the GFx320 allows surveyors to improve their safety and work with more confi dence on the job site.


Like FLIR’s existing GF320 model, the FLIR GFx320 is calibrated to measure temperature, allowing users to achieve optimal thermal contrast between the gas compound and the background scene. The camera is also verifi ed to meet sensitivity standards defi ned in the U.S. Environmental Protection Agency’s (EPA) OOOOa methane rule, and tags each recording with GPS data to meet additional regulatory requirements for reporting.


“With the recent tightening of methane regulations both in the United States and globally, oil and gas producers need a fast and safe way to fi nd and image gas emissions,” said Andy Teich, President and CEO at FLIR. “With the ability to keep workers safe and identify greenhouse gases such as methane, the GFx320 represents another critical example of FLIR’s technology helping to protect lives and preserve the environment.”


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