A2L gas sensors
DST G and GS-series gas sensors by Danfoss Sensing Solutions are used to detect A2L refrigerant gases and support safety, compliance, and system reliability in refrigeration and HVAC applications. In cold room systems, they are relevant where A2L refrigerants are used and gas detection is needed to support safe system design and operation.
This category is also used outside cold rooms across HVAC, commercial refrigeration, food retail, heat pump, rooftop, chiller, and other refrigeration applications.
Features and benefits
- Rapid and accurate leak detection
- Compact and robust sensor design
- Long service life with no field recalibration requirement during normal product life
- Reliable self-diagnostics to reduce the risk of silent failures
- Resistance to harsh environments, including dust, oil, water spray, condensation, and UV exposure, depending on the product family
- Built-in flexibility for easier customization and system integration
- Support for multiple A2L refrigerants across the category
- A2L-specific design for both HVAC and commercial refrigeration applications
Product types shown: 6
DST G200
The new Danfoss Dual refrigerant sensor DST G200 is designed for use in the HVAC market with a specific focus on Residential, Heat Pump, Rooftop, & Chiller applications.
Our thermal conductivity technology offers rapid & accurate leak detection, min. 15-year lifetime, immunity to poisoning, automated self-calibration, and reliable self-diagnostics to avoid silent failures.
Our unique design is optimized to ensure performance over system lifetime even in harsh application environment as it is robust against oil, water spray, dust, and UV light. Additionally, we have built-in flexibility in terms of hardware and software allowing for easy customization and system integration.
DST G300
The DST G300 gas sensor is expertly crafted for the refrigeration and food retail markets, offering unparalleled precision and reliability. Leveraging advanced thermal conductivity technology, this sensor guarantees accurate measurements throughout its impressive minimum 15-year lifetime.
Its robust design is certified for use with R454A, R454C, and R455A refrigerants, ensuring compatibility and performance in diverse systems.
Engineered to withstand harsh environments, the DST G300 is resilient against condensation, dirt, dust, and UV light, maintaining optimal functionality over time. Its unique design incorporates both hardware and software flexibility, facilitating seamless customization and integration into existing systems.
The DST G300 sensor is the intelligent choice for those seeking a simplified, hassle-free solution that delivers dependable results across three refrigerant types.
DST G54A / DST G54C / DST G55A
The new A2L gas sensor is designed for use in the refrigeration and food retail market. Our thermal conductivity technology ensures precise measurements min. 15-year lifetime, and robust design approved for systems using R454A, R454C and R455A. Our unique design is optimized to ensure performance over the lifetime even in harsh application environment as it is robust against condensation, dirt, dust, and UV light. Additionally, we have built-in flexibility in terms of hardware and software allowing for easy customization and system integration.
DST G54B / DST GR32
The new A2L gas sensor is designed for use in the HVAC market with a specific focus on Residential, Heat Pump, Rooftop, & Chiller applications. Our thermal conductivity technology offers rapid & accurate leak detection, min. 15-year lifetime, immunity to poisoning, automated self-calibration, and reliable self-diagnostics to avoid silent failures. Our unique design is optimized to ensure performance over the lifetime even in harsh application environment as it is robust against condensation, dirt, dust, and UV light. Additionally, we have built-in flexibility in terms of hardware and software allowing for easy customization and system integration.
Cold Rooms
A2L gas sensors help refrigeration and HVAC systems detect A2L refrigerant leaks and support safe, compliant system operation. In cold room systems, they are relevant where A2L refrigerants are part of the refrigerant strategy and refrigerant monitoring is needed as part of the wider safety layer of the installation. The category also extends beyond cold rooms because the same sensor ranges are used in HVAC, commercial refrigeration, food retail, heat pumps, rooftops, data centers, transportation systems, and chillers.