Leak Sensor Measures Air Resonance

| Information and Communication Technology

The Resonix RGD sensor detects modern refrigerant leaks in HVAC equipment using acoustic resonance

The Resonix RGD sensor detects leaks of refrigerant gases used in heating, ventilation, and air conditioning (HVAC) equipment.

It has been designed to detect leakages of hydrofluoroolefin (HFO), a new set of refrigerants that are being used as the industry shifts away from hydro-fluorocarbon (HFC) refrigerants, which have high global warming potential. The disadvantage of HFOs is that they are slightly flammable and so leak detection design requirements mandate mitigation features to prevent a potential gas buildup.

The Resonix RGD sensors feature patented technology that measures the acoustic resonance of the surrounding air in real-time. Typically mounted near the evaporator coil, the sensors can trigger mitigation, such as a fan, when gas is detected – venting it before it reaches unsafe levels.

The sensors deliver a fast response time with a life expectancy of more than 15 years and because the sensors do not require field calibration or re-zeroing, they reduce service costs for both installers and end users.

Jonathan Newell
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