Sensata IRDS devices have both a dual relay and a Modbus RS485 output for simple integration into HVAC and refrigeration equipment. This combination creates a leak detection sensor that fulfills strict OEM criteria such as UL60335-2-40 ed. 4 and UL60335-2-89.
The IRDS has a long lifetime (> 15 years) with no calibration required. It works with R32, R454 series, and R455 series refrigerants and includes temperature and humidity compensating sensors for good accuracy over ambient conditions 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.