Resonix RGD Series Refrigerant Leak Detection Sensor

Sensata Technologies announced the launch of the Sensata Resonix RGD sensor, the first leak detection sensor with UL certification for multiple A2L refrigerant gases used in heating, ventilation, and air conditioning (HVAC) equipment. The new leak detection sensors support HVAC manufacturers’ transition to refrigerants with a lower global warming impact.

Sensata’s Resonix RGD sensors leverage patented gas detection technology to meet the needs of HVAC manufacturers using new hydrofluoroolefin (HFO) refrigerants as part of a global shift away from hydro-fluorocarbon (HFC) refrigerants.

HFC gases have been widely used in air conditioning and refrigeration equipment for decades due to their performance characteristics. However, HFC gases have a high global warming potential (GWP) – often hundreds of times more potent than carbon dioxide (CO2). This issue was the driving factor behind the recent Kigali Amendment to the Montreal Protocol, which targets an 85% reduction in HFCs in the United States and other developed countries by 2036, and globally by 2047.

While HFOs have a far lower GWP, they are classified as slightly flammable (A2L categorization), and new leak detection design requirements mandate mitigation features to prevent a potential gas buildup. Sensata’s Resonix RGD sensors feature a unique, patented technology that measures the acoustic resonance of the surrounding air in real-time.

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