Genuine Maxim1-WireHome AssistantIP68 Waterproof
DS18B20 Temperature Sensor
Genuine Maxim 1-Wire digital temperature sensor with ±0.5°C accuracy (vs ±2.0°C for the China clones). Perfect for heating circuits, water tanks, pipelines and integration with Home Assistant automation systems.
Technical Specifications
Specs
−55/+125°C
Measuring range
±0.5°C
Accuracy
1-Wire
Protocol
3.0–5.5V
Power Supply
9–12 bit
Resolution
IP68
Ingress protection
Features
- Genuine Maxim chip — ±0.5°C accuracy (−10°C to +85°C) vs ±2.0°C for the China clones
- Digital 1-Wire signal — no ADC
- 100 cm cable length
- Waterproof, encapsulated in 6×50mm stainless steel
- Power supply 3.0V–5.5V
- Operating range −55°C to +125°C
- Output leads: Yellow (DATA), Red (VCC), Black (GND)
- Up to 5 sensors on the same bus (30m)
- ESPHome & Home Assistant ready · Unique ROM address per sensor
- 2-year warranty
Applications
- Boiler temperature measurement
- Solar tank monitoring
- Return temperature control
- Heat pump automation
- Pipe temperature sensing
Interested in the DS18B20?
Contact us for pricing, availability and technical questions.