DS18B20 TEMPERATURE PROBE for WS1 & WS1 Pro 5 Meter

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UbiBot DS18B20 Temperature Probe, Waterproof External Probe for Refrigerator,Remote Temperature Monitor for Hot Tub,Swimming Pool,-55 to 125 C,USB Connector

Matches with Ubibot WS1,WS1 Pro only(5m)


  • DS18B20 temperature probe
  • external temperature probe for fridge, greenhouse, hot tub, swimming pool
  • waterproof temperature monitor
  • wireless temperature sensor● Stainless steel material
    ● Suitable for extremely hot or cold environment
    ● Works with all our IoT devices
    ● Ready to use straight from the box



The DS18B20 is a waterproof external temperature probe designed to operate in extreme conditions (-55ºC to 125ºC). The Micro USB connector is compatible with our smart monitoring devices, including the WS1 and WS1 Pro.

The probe is made from high quality stainless steel, so it won’t rust in high humid conditions. The different cable lengths are designed to offer you maximum flexibility. The ready-to-use Micro USB connector allows you to deploy this probe in one second.


Part Number: DS18B20

Size of Stainless Steel Shell: 6mm diameter x 50mm long

Cable Length: optional 300cm or 500cm

Port: Micro USB

Devices matched: WS1 (supports only one probe), WS1 Pro (supports 2 probes)

Power Supply Range: 3.0V to 5.5V

Operating Temperature Range: -55°C to +125°C (-67°F to +257°F)

Storage Temperature Range: -55°C to +125°C (-67°F to +257°F)

Accuracy: ±0.5°C (over the range of -10℃ to +85℃)

Output Lead: red (VCC), yellow(DATA) , black(GND)

Comparison of two types of external probes

IFTTT temperature alert