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Temperature-Humidity Data Loggers iButton DS1923L

iButton DS1921G/1922L (Temperature Data Logger)


The iButton temperature loggers DS1921G & DS1922L tough, self-sufficient systems that measure temperature and record the results in a protected memory section at a user-defined rate. They can be programmed to begin data collection immediately, or after a user-defined delay or after a temperature alarm. Access to the memory and control functions can be password protected.

Salient Features:-

  • High Accuracy, Full-Featured Digital Temperature Logger Simplifies Temperature Data Collection and Dissemination of Electronic Temperature Record.
  • Quick Access to Alarmed Devices Through 1-Wire Conditional Search Function.
  • Simple Serial Port Interfaces to Most Microcontrollers for Rapid Data Transfer.
  • Survives Harsh Environments.


  • High-Temperature Logging(Process Monitoring, Industrial Temperature Monitoring) Temperature Logging in Cold Chain, Food Safety, Bio Science, and Pharmaceutical and Medical Products