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Sensirion SGD43S-M3-Sx A2L refrigerant leakage detection system is based on the thermal conductivity measurement principle and features a dual dry-contact relay output.
Official Journal of the European Union, 2014. [3] Xu, S., Wang, J., & Zhao, L. Development of an A2L refrigerant leakage detection sensor based on a quartz-enhanced photoacoustic spectroscopy system. Sensors and Actuators B: Chemical, 2020, 307, 127628....
A more relevant test may be the hot surface ignition test (HSIT), where the 2L refrigerant is released onto a hot surface and monitored for subsequent ignition or non-ignition under dynamic conditions (6). HSIT data was presented in earlier papers using Annex KK of the IEC 60335-2-40 ...
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AHRI to host A2L refrigerant webinar9th January 2021 USA: The Air-Conditioning, Heating and Refrigeration Institute (AHRI) is to host a free webinar looking at how A2L refrigerants may behave in a structure fire. The free webinar will discuss preliminary findings from AHRTI Project 8028, ...
A2L refrigerant piping is mandated by code to be enclosed in 2-hour assemblies that protect in the event of fire and contain refrigerants in the event of leaks. The Flamebar solution saves space and reduces costs compared to other rated solutions. Learn more about the solution for A2L refriger...
The DST Gxxx A2L refrigerant detection sensors are the only first step on Danfoss’ gas sensing journey, asMark R. Otten, Segment Manager for Cooling & Heating at Danfoss Sensing Solutions points out. “The next step will take us t...
The A2L refrigerant answers HVACR professionals need. An interactive chat that leverages AI to produce accurate and real-time guidance on unique A2L questions. LEARN MORE
A2L refrigerant characteristics A2Ls are considered “mildly flammable” and consist of HFCs, hydrofluoroolefins (HFOs), and various blends of the two synthetic refrigerants. Many of the emerging lower-GWP refrigerants fall into this category and will be used to comply with emerging environmental reg...