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DS18B20 Temperature Probe

Waterproof external temperature probe for use in extreme conditions (-55 to 125 ℃)


    $ 12.99 USD
  • Save $ 4.00 USD

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● 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 all 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 any 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. We also offer one variant with flat cable that can be put through the refrigerator door. Please note, the flat cable is unshielded. This SKU is now only available at warehouse in China.

Part Number DS18B20
Size of Stainless Steel Shell 6mm diameter x 50mm long
Cable Length 300cm or 500cm
Port Micro USB
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 over the Range of -10°C to +85°C ±0.5°C ( over the range -10℃ to +85℃)
Output Lead red (VCC), yellow(DATA) , black(GND)

*Free Express Shipping on orders over $79.99 to USA, Canada and UK. For other countries, Free Worldwide Shipping applies on orders over $250. Delivery times and costs will be automatically calculated after you enter your shipping address during checkout. Orders are shipped from our closest international warehouse.
The price you pay doesn't include import duties, taxes or charges as these vary widely between countries. You are responsible for paying all such charges on receipt of the item.


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