Flow into A2L refrigerant gas detection with the new DST GS compact and DST G-series gas sensors by Danfoss Sensing Solutions, built with performance and reliability at the forefront.
DST GS and DST G-series gas detection sensors feature a revolutionary inverted design, which protects the sensor in harsh environments, supporting 5 different A2L refrigerants with the option of additional refrigerants added upon demand. Using Thermal conductivity, a field proven technology, our sensors meet the requirements for HVACR equipment.
With patented top-down design that protects sensors from all common contaminants you can get 15+ years of performance as estimated per our extensive internal testing.
Proven high-speed thermal conductivity sensors delivers excellent response time, ensuring maximum safety for users and equipment. And as a leading tech developer with in-house production, Danfoss offers a resilient supply chain, ensuring to meet your demands and maintain a steady delivery to support your business growth.
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Patented, compact & robust designHigh IP66 rating in a compact casing (DST GS-series only).
VersatilityFlexible design, suitable for applications use with R454B and R32 refrigerants (DST G200 only) and with R454A, R454C and R455A (DST G300 only).
Rapid and Accurate Leak DetectionCompensated over full range of temperature humidity and pressure ranges.
Eliminate False Alarms with Dewpoint AvoidanceDewpoint monitoring and heated enclosure prevents condensation in the housing.
Immune to Dust, Oil and Water SprayStrategic, patent-pending sensor positioning using diffusion flow principles protects sensor from exposure.
UV ProtectedAll exposed materials are impervious to sustained UV exposure.
No Field Service RequirementsPermanent factory calibration. No field adjustments or re-zeroing during 15+ year life as estimated per our extensive internal testing.
Minimized “Silent” FailuresRobust “full signal chain” diagnostics check for faults and integrity of signal chain.
Easy System IntegrationFlexible hardware and software to customer’s application specifications.
CE marked
RoHS compliant
UL 60335-2-40
UL 60335-2-89
The latest addition is the DST GS-series gas sensors, developed to detect R454B, R32, R454A, R454C and R455A refrigerant type that meet the performance and reliability required to carry the company name. These sensors meet the requirements of UL 60335-2-89 for refrigeration equipment and the requirements of UL 60335-2-40 for HVAC equipment.
New addition to the DST G-series is the DST G4ze gas sensor, developed to detect R1234ze refrigerant type, perfect for HVAC&R system builders looking for a reliable and accurate gas sensor. These sensors meet the requirements of UL 60335-2-40 for HVAC equipment.
The latest addition to the DST G-series is the DST G300 tri-refrigerant gas sensor, developed to detect R454A, R454C and R455A refrigerant type, perfect for refrigeration system builders, looking to reduce complexity while gaining flexibility in building A2L refrigerant compatible systems. These sensors meet the requirements of UL standards for refrigeration equipment.
The latest addition to the DST G-series is the DST G200 dual refrigerant gas sensor, developed to detect for R454B and R32 refrigerant type, perfect for coil manufacturers and system builders, looking to reduce complexity while gaining flexibility in building A2L refrigerant compatible systems. These sensors meet the requirements of UL standards for HVAC equipment.
Using field proven technology, Danfoss Sensing Solutions has developed the DST G54A, DST G54C and DST G55A A2L refrigerant gas sensors for R454A, R454C and R455A refrigerant type that meet the performance and reliability required to carry the company name. These sensors meet the requirements of UL 60335-2-89 for refrigeration equipment.
Using field proven technology, Danfoss Sensing Solutions has developed the DST G54B and the DST GR32 A2L refrigerant gas sensor for R454B and R32 refrigerant type that meet the performance and reliability required to carry the company name. These sensors meet the requirements of UL 60335-2-40 for HVAC equipment.
Air conditioning systems with precise close control for high reliability, better humidity and temperature control in IT cooling, in server rooms or data centers.
Danfoss solutions for cold rooms help keep the food fresh and safe for consumption and therefore contribute to reducing food loss and waste.
Reach-in cabinet designed to receive and store fresh, frozen or pre-cooled products. Typically a stainless steel, self-contained unit used in professional kitchens, bakeries, and laboratories.
Accurate temperature and operation control of display cases and cold rooms are vital for high-quality and safe food products. Find your solution here.
Danfoss air conditioners are durable, energy efficient and affordable, you will find solutions for residential and commercial air conditioning applications.
As a leading supplier within commercial refrigeration our extensive product range enables us to support solutions for anything from transport refrigeration to speciality cooling.
The need for supermarkets to improve energy efficiency, reduce food loss and minimize carbon footprint is higher than ever before. In cooperation with a Danish supermarket Danfoss has installed all the lasted technologies and solutions to achieve one of the most energy efficient supermarkets possible.
Components designed to provide the lowest total cost of ownership, while at the same time reducing the carbon footprint of your supermarket refrigeration system.
This whitepaper answers two key questions: why thermal conductivity is the best technology for quickly and accurately detecting A2L gas leaks and how product design impacts a thermal conductivity sensor’s effectiveness and durability.
Download white paper
HVACComputer Room Air Conditioners (CRAC) units, Residential and Commercial Heat Pumps, Rooftops, Transport A/C, and A/C Scroll chillers.
Commercial refrigerationCold rooms, Food retail and Food service, Commercial refrigerators and freezers, display cabinets, compressor racks/packs.
Coil manufacturersSystem builders requiring a dual refrigerant gas sensor.
Other industriesWith applications using A2L refrigerants.