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Software - Thermo23


Thermo23 software explores and initializes iButton data loggers from Maxim/Dallas. This software supports the whole family of Thermochron and Hygrochron iButtons. (DS1921, DS1922, DS1923)

You may download an evaluation version of Thermo23. However, measuring intervals of this test version are set at a random value..

System requirements are standard Windows PC (2000/XP/Vista) with an attached 1-Wire Adapter.


- User Interface

- Extended Features

- Screenshots

- Download Test Version

Main features of Thermo23

  • Manages all Thermochron and Hygrochron iButtons in a user-friendly way. Three different screen modes facilitate the exploration of all Thermochron parameters with varying degrees of detail.
  • Clearly structured user interface that avoids invalid device settings.
  • A highlighted status field indicates device status at all times.
  • Real-time clock may be set to stop automatically when mission is completed.
  • Allows to enter scheduled start time, no need to calculate mission delay time in minutes.
  • Supports Overdrive communication.
  • Allow password protection for DS1922/3-series of loggers.
  • Display the temperature log as a graphic or table. (temperature scale °C, °F or °K)
  • Summary reports displayed as a graphic, table or via print preview.
  • Offers export header and log data as CSV-File.

Extended Features

  • Thermo23 provides the option to store user information permanently in the device general-purpose memory, e.g. marking of the iButton, measuring point, remark or position.
  • The capacity management for the iButton battery is equally outstanding. A software controlled capacity-protocol allows to pre-plan the use of Thermochron and Hygrochron iButtons. This feature requires only a one-time adjustment in the basic settings.

This on-screen translation of Thermo23 version 4.5c is still a work in progress. However, we hope to release a final English version soon.