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iButton Miniature Data Loggers

  • Measure from -40°C to 140°C
  • Battery Powered
  • Stores Over 2000 Readings
  • 1cm Diameter Stainless Steel Housing
  • USB Connection*
  • Rugged and Waterproof*
  • * accessories required

Product Range

iButton Features

  • Automatically Wakes up, Measures Temperature and Stores Values in 8KB of Datalog Memory in 8- or 16-Bit Format
  • Digital Thermometer Measures Temperature with 8-Bit (0.5°C) or 11-Bit (0.0625°C) Resolution
  • Accuracy of ±0.5°C from -10°C to +65°C (DS1922L), ±0.5°C from +20°C to +75°C (DS1922T) with Software Correction
  • Water resistant or waterproof if placed inside DS9107 iButton capsule (Exceeds Water Resistant 3 ATM requirements)
  • Sampling Rate from 1s up to 273hrs
  • Programmable Recording Start Delay After Elapsed Time or Upon a Temperature Alarm Trip Point
  • Programmable High and Low Trip Points for Temperature Alarms
  • Quick Access to Alarmed Devices Through 1-Wire Conditional Search Function
  • 512 Bytes of General-Purpose Plus 64 Bytes of Calibration Memory
  • Two-Level Password Protection of All Memory and Configuration Registers
  • Communicates to Host with a Single Digital Signal at up to 15.4kbps at Standard Speed or up to 125kbps in Overdrive Mode Using 1-Wire Protocol
  • Operating Range: DS1922L: -40 to +85°C; DS1922T: 0 to +125°C
  • Meets UL 913, 5th Ed., Rev. 1997-02-24; Intrinsically Safe Apparatus, Approved under Entity Concept for use in Class I, Division 1, Group A, B, C, and D Locations
  • Certified to meet EN 12830:1999 standard for Temperature Recorders for use in the Transportation, Storage and Distribution of Chilled, Frozen, deep/quick-frozen food and ice cream.