GAS DETECTION 7


Acoustic imaging range expanded with two new camera models for partial discharge and air leak detection


Teledyne FLIR has expanded its acoustic imaging category with two additional models of the FLIR Si124 Industrial Acoustic Imaging Camera: The Si124- LD, specific for compressed air leak detection, and the Si124-PD, for partial discharge detection within high voltage electrical systems. This expansion provides additional, tailored solutions for different end-users needs, from utility infrastructure to plant environments, at a fraction of the cost.


The FLIR Si124-PD and Si124-LD devices also include easy-to-use onboard analytics with access to an online portal through the FLIR Acoustic Camera Viewer cloud service. This software empowers users to perform both quick diagnostics tasks and conduct deeper analysis. With this data, Si124-PD users can determine the severity of partial discharge issues in high voltage equipment, improving electrical grid reliability. Likewise, the Si124-LD model helps users determine the severity of compressed air leaks, potentially saving tens of thousands of dollars in energy costs.


“The FLIR Si124 acoustic imaging family of cameras provides for more precise issue detection by offering an unrivalled number of integrated microphones with improved microphone signal-to-noise ratio as well as a top detection frequency of 35 kHz to help users further pinpoint problem areas,” said Rob Milner, Global Business Development Manager – Condition Monitoring, Teledyne FLIR. “The Si124-PD and LD editions features the same robust artificial intelligence software capabilities of the Si124, but are customised to provide a more economical option for particular uses, such as locating corona at a utility substation or compressed air leaks in a factory setting. Taken together, the family of Si124 devices can help reduce inspection times up to 10x versus traditional methods.”


The new Si124-PD features automatic electrical fault classification for partial discharge issues, including surface, discharge, floating discharge, and discharge into air. With the PD Severity Assessment software feature, users can also input the kind of component, the equipment voltage, and the distance from the component to get a severity assessment specific to those parameters. This feature is included within the FLIR Acoustic Camera Viewer cloud software.


Furthermore, users can safely detect problems from distances up to 130 meters (430 feet) with the flexibility to operate the device with one hand. Operators can also easily review images on-screen, even in bright, outdoor conditions.


The Si124-LD features real-time, on-device leak sizing and cost analytics, allowing users to instantly view the leak rate onscreen as it occurs, either in liters per minute (l/min) or cubic feet per minute (CFM), and to quantify leak size. This feature provides a quick assessment of how much air is being lost and estimated cost savings from fixing the issue. By incorporating the Si124-LD as part of a regular maintenance program, organisations can extend the life and efficiency of existing compressors while reducing the need to install 1/2 new units and lowering electricity costs.


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Technologies for Explosives


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The harm that terrorist attacks bring to humanity, both in the loss of life and the instability to the economy, means that numerous steps have been taken and much time and money invested in researching and evaluating new detection technologies by reliable equipment. Early detection of these substances is one of the most effective ways to prevent attacks using explosives from occurring as this high-level reference book, Field Detection Technologies for Explosives, explores. Written in a style that makes complicated technologies easy to understand, this book covers the principles, instrumentation and applications of current technologies used to detect explosives in the field.


Field Detection Technologies for Explosives (https://


www.labmate-online.com/book/yin-sun/field-detection-technologies-for-explosives/4) traces the discovery of ‘black powder’ 2000 years ago as it marked the beginning of the use of explosives and the large-scale manufacturing processes, transportation links and sophisticated methods of developments that followed. Some powerful explosives can be manufactured with very few chemicals that are readily available on the mass market requiring no government control, meaning they can be manufactured by amateurs as well as the military services and industrial applications. They are also somewhat easier to obtain than chemical and biological warfare agents, the internet provides a wealth of information as to how to make them and they can be easily concealed and carried under clothing and in luggage.


This book, divided in Explosives Trace Detection Technologies and Bulk Detection Technologies, will explore the current field detection technologies for explosives, focusing on the principles and basic instrumentation (rather than complicated equations). Technologies discussed include ion mobility spectrometry, chemiluminescence, mass spectrometry, X-ray, neutron and quadrupole resonance and millimetre wave imaging technologies. Dogs remain the most effective explosives detectors due to their ability to identify explosive vapour at very low levels, lower than any detector equipment. However, dogs tire and can lose their sensitivity over long periods, hence why organisations worldwide have established numerous programmes and invested millions in explosive detector equipment to improve security. A key area of investment is the installation of equipment at airports to screen baggage, but also cargo containers at harbours and border crossings to prevent the transfer of explosives between countries.


Due to the fast-moving nature of this industry with new technologies being discovered and tested daily, some technologies discussed are not commercially available yet.


The author, Dr Yin Sun, who has worked in the fields of analytical and environmental chemistry and analytical instrumentation for more than 20 years and focused on the research and development of anti-terrorism detection technologies for 10 years, has included a list of explosives given by the Bureau of Alcohol, Tobacco, Firearms and Explosives and US Department of Justice for easy reference.


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Field Detection


Cutting edge gas detection instrumentation expected to build on its success and expand global coverage


Gastron is a highly reputable manufacturer of fixed and portable gas detectors, flame detectors, sounders and beacons. Since its foundation on 26th June 1992, Gastron had been a leading provider of safety equipment with their revolutionary self-developed multi-infrared detector, which has become ubiquitous within the semiconductor industry.


The success of the cutting-edge gas detectors has led to Gastron’s enjoying sales increases of over 30% annually, and in 2020, Gastron recorded total sales of US$113 million.


Gastron have acquired SIL / IECEX / ATEX / UL / FM / NEPSI and other major certificates for their detectors, which ensures that operators have complete peace-of-mind about the quality and safety of gastron’s instruments Whilst Gastron’s head office is located in the Republic of Korea, Gastron has become a major player in the global market with partners located all over the world. Gastron has established branch offices in Singapore, Malaysia and more than 30 authorised agents all over the world. Continued growth is expected for Gastron in the future as they look to expand their global distribution network.


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53686pr@reply-direct.com WWW.ENVIROTECH-ONLINE.COM IET NOVEMBER / DECEMBER 2021


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