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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: RMEC
  • Model Number: DS18B20
  • Usage: Temperature Sensor
  • Theory: Current Sensor
  • Output: Digital Sensor
  • Product name: Waterproof DS18B20 Temperature sensor with RJ11 interface
  • Temp Sensor Clips: Original DS18B20
  • Probe/Tube Material: Stainless Steel Head or Plastic ABS Shell
  • Stainless Steel Tube: 6mm*50mm (diameter * Length) or at your requests
  • Wire Type: 22 to 28 AWG
  • Wire Jacket: PVC or Sicone
  • Wire Color: Black or Gray
  • Wire End: RJ11 Male Plug
  • Wire Length: 3ft or at your optional
  • Application: Industrial Level, Home Appliance

Packaging & Delivery

Packaging Details 1.PE bag+Paper Carton
2.Standard Package
3.As customer's requirements.
Delivery Time within 2 weeks after payment confirmed

factory direct temperature sensor waterproof ds18b20 with rj11 

Product Description


please note that while the sensor is good up to 125°C, the cable which is jacketed in PVC will be damaged easily, so we suggest keeping it under 100°C.

Not for use in salt water or other corrosive environments.

Cable specs:

  • Original Sensor Clips: DS18B20
  • Wire End: RJ11 Male Plug
  • Stainless Steel tube: 6mm * 50mm (diameter * Length)
  • Cable type: UL2464 22 to 28 AWG, PVC jacket or as requested
  • Cable Length:1ft long / 100cm, or at your requests
  • Output lead: red (VCC), yellow(DATA) , black(GND)
  • Contains DS18B20 temperature sensor
  • Power supply: 3.0V to 5.5V

  • Wide temperature range: -55°C to +125°C

  • High accuracy: ±0.5°C( -10°C to +85°C)

  • If your sensor has four wires - Red connects to 3-5V, Black connects to ground and White is data. The copper wire is soldered to the wire shielding
  • If your sensor has three wires - Red connects to 3-5V, Blue/Black connects to ground and Yellow/White is data

DS18B20 Technical specs:

  • Measures Temperatures from -55°C to +125°C (-67°F to +257°F)
  • ±0.5°C Accuracy from -10°C to +85°C
  • Programmable Resolution from 9 Bits to 12 Bits
  • No External Components Required
  • Uses 1-Wire interface- requires only one digital pin for communication
  • Unique 64 bit ID burned into chip
  • Multiple sensors can share one pin
  • ±0.5°C Accuracy from -10°C to +85°C
  • Temperature-limit alarm system
  • Query time is less than 750ms
  • Usable with 3.0V to 5.5V power/data
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