Shelly DS18B20 Digital Temperature Sensor with 3.5mm Jack and 1 Metre Cable
The Shelly DS18B20 Temperature Sensor is a digital probe designed for accurate air and liquid temperature monitoring in residential and commercial environments. Featuring a 3.5mm jack connector and 1 metre cable, it plugs directly into The Pill by Shelly for real-time temperature tracking. With a wide measurement range of -55°C to +125°C and ±0.5°C accuracy from -10°C to +85°C, it's perfect for monitoring aquariums, pools, boilers, water tanks, server rooms, warehouses, and more.
Key Features
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High Accuracy: ±0.5°C precision in the -10°C to +85°C range
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Wide Measurement Range: Monitors temperatures from -55°C to +125°C (-67°F to +257°F)
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Plug & Play Connectivity: 3.5mm jack connector for easy connection to The Pill by Shelly
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Versatile Applications: Suitable for both air and liquid temperature monitoring
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1-Wire Digital Protocol: Enables multiple sensors to be connected via optional splitter
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Programmable Resolution: 9-bit to 12-bit temperature measurements for flexible precision
Perfect for Smart Home & Commercial Monitoring
Whether you're managing a smart home climate control system, monitoring aquarium or pool temperatures, tracking server room conditions, or ensuring optimal performance of boilers and water heaters, this sensor delivers stable, reliable readings. The waterproof stainless steel probe is built for demanding environments, including underwater and outdoor applications.
Easy Integration with The Pill by Shelly
This sensor is designed to work seamlessly with The Pill by Shelly (sold separately), a compact USB-C powered Wi-Fi and Bluetooth device. Simply plug the sensor into The Pill using the included Micro-USB to 3.5mm adapter cable, and start monitoring temperature data in real time via the Shelly Smart Control app. You can also connect multiple sensors using an optional 1-to-5 splitter for complete environmental monitoring across different zones.
Wide Range of Applications
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Water Temperature Monitoring: Aquariums, pools, boilers, water tanks, and other liquids
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HVAC Environmental Controls: Heating, ventilation, and air conditioning systems
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Building & Equipment Monitoring: Server rooms, warehouses, cold storage, greenhouses
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Process Monitoring: Industrial equipment and control systems
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Home Automation: Smart thermostats and climate management
Technical Highlights
The DS18B20 digital thermometer uses a 1-Wire communication protocol, requiring only one data line for communication with a microprocessor. Each sensor has a unique 64-bit serial code, allowing multiple DS18B20 sensors to function on the same 1-Wire bus. The sensor provides alarm functionality with user-programmable upper and lower trigger points, perfect for automated alerts and smart home automations.
What's in the Box
- 1 × Shelly DS18B20 Temperature Sensor with 3.5mm jack connector
- 1 metre cable length
Full Specifications
| Sensor Type |
DS18B20 Digital Temperature Sensor |
| Connector Type |
3.5mm jack |
| Cable Length |
1 metre |
| Measurement Range |
-55°C to +125°C (-67°F to +257°F) |
| Accuracy |
±0.5°C from -10°C to +85°C |
| Resolution |
Programmable 9-bit to 12-bit |
| Communication Protocol |
1-Wire digital interface |
| Operating Voltage |
3-5.5V (powered via connected device) |
| Probe Material |
Stainless steel (waterproof) |
| Compatibility |
The Pill by Shelly (requires Micro-USB to 3.5mm adapter cable, included with The Pill) |
| Warranty |
2 years (standard Shelly accessories warranty) |
Specifications are sourced from the manufacturer product page and may be updated.
