Dallas DS18B20

Digital Temperature Sensor

Alternative names

1-Wire DS18B20
Wired DS18B20 Sensor
DS18B20 Contact Sensor
DS18B20 Digital Thermometer

Typical applications

Monitoring the boiler temperature (boiler sensor)
Monitoring the buffer temperature (buffer sensor)
Monitoring the solar temperature (solar sensor, collector sensor)

Monitoring the aquarium temperature
Monitoring the terrarium temperature
Monitoring the animal habitat temperature
Monitoring the pool temperature (water temperature)

Monitoring the flow temperature of heating systems (flow temperature, return temperature)
Monitoring the flow temperature in ventilation systems (flow temperature, return temperature)

All this is possible with our App for Android and iOS without any programming including rules and automatic notifications on the smartphone.

Technical data

Power supply: 3V (min) – 5.5V (max)
Supported Bus Voltage Levels: 3-5.5V
Max current during conversion: 1.5mA
Max current during standby: 1µA

Temperature measuring range -55 to +125°C with ± 0.5°C accuracy (from -10°C to +85°C)
Max. sampling rate: 1.33Hz (once every 750 milliseconds)

Sensor (without sleeve):
Body size: 4.58mm x 4.58mm x 3.86mm
3 pins with 1,27mm (0.05″) spacing