Test & measurement
Warming Potential (GWP) above 2,500 to service or refill refrigeration systems with a refrigerant charge size
of 40 tonnes of CO2 equivalent or more. Furthermore, to prevent the risk of ignition, operators are required to ensure in-room concentration levels remain below the lower flammability level. This obligation is covered by safety legislation and standards, such as ISO 5149 and EN 378, while regular gas leakage checks are mandatory, with penalties for non-compliance reaching up to £200,000. With significant revisions to these regulations anticipated by 2025, understanding and adhering to these rules becomes a key consideration for all industry stakeholders.
GAME-CHANGING ADVANCED GAS LEAK DETECTION SYSTEMS Detecting gas leaks in HVAC systems has always been a complex and often overlooked issue. Since refrigerant gas is odourless and colourless, traditional methods of detection have proven woefully inadequate. On average, a staggering 60 per cent of the gas is lost before leakages are detected. The advent of intelligent gas sensors offers a comprehensive and groundbreaking solution to this long-standing problem. These cutting-edge sensors identify the refrigerant, toxic and combustible gases related to HVAC units with precision, actively countering risks
Instrumentation Monthly September 2023
and providing an array of real-time safety features, including audio/visual signalling alarms and LEDs that highlight the presence and status of each sensor.
Investing in these innovative gas detection systems offers a plethora of advantages. Early detection ensures optimal functioning of HVAC systems, preventing efficiency loss whilst delivering significant financial savings. In addition, they stop minor gas leaks from turning into major problems, ensure corrective measures can be implemented quickly, mitigate the risk of combustion, and alert employees and occupants to evacuate the area, reducing their exposure to risk. At the same time, they improve compliance and foster sustainability. Aside from making systems safer and more efficient, these sensors have demonstrated a return on investment in just two years. Overall, the HVAC industry faces an evolving range of challenges and
opportunities
in order to balance the demands of comfort, safety, efficiency and sustainability. Advanced gas leak detection systems stand as a robust solution to many of these challenges, bridging the gap between operational necessities and environmental obligations. By adopting these innovative technologies, commercial and residential spaces can deliver human comfort and be respectful towards the planet. Furthermore, they can do it in a way that is safe, efficient and cost-effective.
Stonegate Instruments
www.stonegate-instruments.com
85
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