Shelly DS18B20 Temperature Probe with Lead

DS18B20 1-Wire Waterproof Temperature Sensor – Stainless Steel Probe for Shelly Uni & Plus Add-On

The DS18B20 is a high-precision, waterproof digital temperature sensor designed for seamless integration with the Shelly Uni and Shelly Plus Add-On Sensor Interface. Using a single data pin for communication, this 1-Wire sensor allows up to three units to connect to a single microcontroller, streamlining cable management for distributed or multi-zone sensing applications.

Its durable stainless steel probe and water-resistant cabling make it ideal for demanding environments, including cold storage monitoring, greenhouses, HVAC systems, food-grade operations, and industrial equipment. With no need for external power and compatibility with a variety of automation platforms, the DS18B20 is a versatile solution for smart temperature tracking.

Key Features

• 1-Wire digital communication for easy multi-sensor setup
• Connect up to 3 sensors per microcontroller
• Waterproof stainless steel probe with robust cable insulation
• Integrates with Shelly Uni and Shelly Plus Add-On modules
• Accurate temperature monitoring for mission-critical zones
• Requires no external power source for operation
• Suitable for indoor/outdoor and industrial applications

Technical Specifications

Temperature Performance

• Measurement Range: –55°C to +125°C (–67°F to +257°F)
• Accuracy: ±0.5°C from –10°C to +85°C

Probe & Cable Details

• Probe Diameter: 7 mm
• Probe Length: 26 mm
• Cable Length: 0.9 m / 3 ft
• Waterproof Rating: Yes

Power Requirements

• External Power: Not required
• Interface Type: 1-Wire digital data

Compatibility

• Works with: Shelly Uni, Shelly Plus Add-On Sensor Interface
• Use Cases: Freezers, fridges, greenhouses, HVAC units, automation systems, industrial sensing