Posted in | Leak Detection

A2L Refrigerant Detection System with Modbus RS485 Output

The Sensata IRDS leak detection sensor satisfies strict OEM criteria UL60335-2-40 ed. 4 and UL60335-2-89. It includes a dual relay and Modbus RS485 output, enabling easy integration into HVAC and refrigeration systems.

The R32, R454, and R455 series refrigerants are compatible with the IRDS, which offers a long lifespan without the need for calibration. Temperature and humidity compensation sensors are included for excellent accuracy throughout environmental extremes, even up to +85 °C.

Source: Sensata Technologies, Inc.

Part Number Refrigerant Input Voltage Range Output Type
RGD-00RH00 R32 9-30 VDC* Modbus RS485 + Relay
RGD-02RH00 R454B 9-30 VDC* Modbus RS485 + Relay
RGD-03RH00 R454C 9-30 VDC* Modbus RS485 + Relay
RGD-04RH00 R454A 9-30 VDC* Modbus RS485 + Relay
RGD-10RH00 R455A 9-30 VDC* Modbus RS485 + Relay
RGD-20RH00 R32+R454B 9-30 VDC* Modbus RS485 + Relay
RGD-30RH00 R454A+R454C+R455A 9-30 VDC* Modbus RS485 + Relay

*Note: Relay output is only available with a supply voltage > 9 VDC.

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