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All prices in US$ - All orders receive free delivery, worldwide - Click here to learn more
All prices in US$ - All orders receive free delivery, worldwide - Touch here to learn more

RS485 DS18B20 Temperature Sensor

SKU 86620114

Now available from PMD Way is the DS18B20 1-wire digital sensor encased in a waterproof enclosure on the end of an 1cm lead.

However unlike the other sensors this has an inbuilt RS485 data interface, ideal for industrial or other long-distance applications.

Great for sensing temperatures of liquids, soil and ... well anything you can get the sensor in. The stainless-steel housing is 6 x 45mm and has a temperature range of -55~+125 degrees Celsius.

Please note that the heatshrink surrounding the sensor is not food-grade. Use the options menu to select your choice of activity LED.


  • Power supply voltage: 4.5~5.2VDC
  • Power supply current: 10ma
  • Communication method: RS485
  • Communication protocol: standard MODBUS-RTU
  • Communication baud rate: 1200~115200 (default 9600)
  • Data bit/stop bit/check bit: 8 bit/1 stop bit/no check
  • Mailing address: 1~254 (default 1)
  • Temperature measurement range: -55.0~100.0℃
  • Temperature resolution: ±0.1℃ (1 decimal place)
  • Measurement accuracy: S±0.5℃
  • Converter working environment: -20~+60℃, waterproof and splash proof

Click here to download RS485 guide for sensor

Free delivery, worldwide.

DS18B20 Stainless Steel Temperature Sensor Probe - RS485 Interface from PMD Way with free delivery worldwide