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T-Sense® - Temperature Sensor

by iButtonLink


We currently have 351 in stock.


The T-Sense® provide a easy to use temperature senor at a great price point.  Just use any RJ-45 patch cable to connect the T-Sense® to a 1-Wire® master and add your favorite software.

The T-Sense® has these great features:

  • Easy to install and daisy chain using standard RJ-45 patch cables.  You can put more than 100 on a single 1-Wire® master!
  • The 1-Wire® address barcode provides an easy way to identify an individual sensor and an accurate way to log the address.
  • Compatible with most 1-Wire software including:  1-Wire Viewer, DigiTemp, owfs, and IBM Active Energy Manager (through a LinkHub-E).
  • High accuracy and resolution for such a low cost sensor.
  • Very rugged construction with a fully molded sensor body.

The T-Sense® is based on the DS18B20 and has the following specification:

  • Range of -55 degrees C to +125 degrees C  (-67 to +257 degrees F)
  • Accuracy of +/- 0.5 degrees C from -10 to +85 degrees C
  • 12 bit resolution readings in 0.75 seconds

Built to be easy to daisy-chain, this sensor is the best selling product in the iButtonLink sensor line.  It is also easy to use in complex 1-Wire® networks by combining the T-Sense®, T-Box and RJ-45 patch cables.  No expensive 1-Wire® hubs or splitters are normally required with an iButtonLink 1-Wire master like the LinkUSBLink45, or LinkHub-E.

The free 1-Wire Viewer software from Maxim Integrated works great with the T-Sense®.
The T-Sense® User Manual provides a pin out and and additional information about the T-Sense®.
The T-Sense® is a replacement for the Digitemp DT1A.


The molded product provides excellent environmental tolerance and physical durabiltiy, resulting in a wider temperature range. Size: 1-3/4"L x 3/4"W x 3/4"H


T-Sense is a registered trademark of iButtonLink.  1-Wire® is a registered trademark of Maxim Integrated.

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