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The Shelly Temperature Sensor (3M) is a high-precision digital probe designed to work seamlessly with the Shelly Plus 1 and Shelly Plus 1PM relays. This 3-metre external sensor allows for the accurate monitoring and control of temperatures in various environments, from domestic HVAC systems to industrial machinery monitoring.

Advanced Monitoring and Protection
Engineered for versatility, the sensor provides 9-bit to 12-bit Celsius temperature measurements. Its IP67 rating ensures complete protection against dust and allows for temporary immersion in water, making it suitable for demanding conditions. The integration with Shelly Plus devices enables users to set custom temperature thresholds and receive automated alerts if levels fall outside acceptable ranges.
Key Features
Extended Reach: The 3-metre cable length provides flexibility for placement in hard-to-reach areas or large equipment.
High Precision: Offers selectable resolution from 9-bit to 12-bit for detailed temperature tracking.
Rugged Design: IP67-rated waterproof and dustproof casing for reliable indoor and outdoor use.
Seamless Integration: Designed specifically for the Shelly Plus series, requiring only a single data line and ground to function.
Automated Safety: Supports alarm functions to trigger home automation scenes or notifications based on real-time data.
Whether you are looking to optimise your building's climate control or monitor critical equipment, this sensor provides the reliable data needed to maintain a safe and comfortable environment. The slim profile and simple wiring allow for easy retrofitting into existing setups without complex modifications.