The Senseair Refrigerant Detection System R290 is a leak detection sensor module for HVAC applications using the low GWP refrigerant R290 (propane). It is engineered for precise, reliable detection in demanding environments and ease of installation.

Defining attributes

• Fast response time
• High accuracy
• Wide temperature range
• Maintenance-free
• Compliant with IEC & UL 60335-2-40
• Factory calibrated
• Long term stability
• Long lifetime
• Immunity to poisoning
• LED-based light source

Engineered with a standardized connector pinout and robust IP66 and IP67 enclosure, the RDS R290 offers flexible power supply options and multiple output configurations—simplifying installation and integration into diverse systems.

A protective housing with a high-quality gas diffusion vent safeguards the sensor element from dust and condensation. Thanks to the built-in heating element, the Senseair RDS R290 can operate in cold environments. Using Modbus protocol, the measured data is digitally transmitted to the control system. A digital output signal is activated when the gas concentration reaches a configurable threshold, and the output can be set as a digital PWM signal or an analogue linear output reflecting the measured concentration.

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