Danfoss DST G-Series A2L Refrigerant Detection Sensor
by Danfoss
Last updated Mar 29, 2026 · 1 revision
Thermal conductivity A2L refrigerant detection sensor with 15+ year lifespan, no field calibration, and patented inverted sensor design.
6.5 - Good Custom · Contact for pricing 6 Features
1 Integrations
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www.danfoss.com
About This Product
The Danfoss DST G-Series sensors use thermal conductivity technology to detect A2L refrigerants (R-454A, R-454B, R-454C, R-455A, R-32) with fast response time under 15 seconds. Features a patented inverted sensor design resistant to dust, oil, and water spray, dewpoint monitoring to prevent false alarms, permanent factory calibration requiring no field service over an estimated 15+ year lifespan. Designed for HVAC and commercial refrigeration equipment compliance.
FSH Score Breakdown
Ease of Use 7.0
Features 7.0
Support 7.5
Value 7.0
Integrations 6.0
AI Capabilities 2.0
Customer Reviews
Features
6 features confirmed across
4categories· Showing confirmed capabilities only
Equipment & Asset Management3features
Remote Diagnosticsbuilt-in limit supervision self-test diagnosticRemote MonitoringAlertsCustomizable alarm threshold
Hardware Features1feature
IP/Weather RatingDewpoint avoidance with heated enclosure
Compliance & Safety1feature
Refrigerant Compatibility CheckerSupports 5 different A2L refrigerants
Platform & Customization1feature
Third-Party IntegrationMODBus and Dual Output options
Integrations 1 across 1 category
Industry-Specific 1
Modbus
MODBus
Pricing
- Model
- Custom
- Starting at
- Contact for pricing
- Notes
- Pricing not publicly listed — sold via Danfoss direct store (store.danfoss.com) and authorized distributors, likely requires quote. Product family includes DST G54B (R454B), DST GR32 (R32), DST G200 (R454B+R32 dual), DST G300 (R454A+R454C+R455A tri), DST G54A, DST G54C, DST G55A. Thermal conductivity sensing technology. Patented inverted top-down design resists contaminants. 15+ year lifetime. Supply: 24V AC/DC. Alarm threshold: 9 LFL%. Temp range: -40 to 80C. 6-pin Mini Mate-N-Lok connector. Relay output. No field calibration required.
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