Item description from the seller

USB Datalogging ULT freezer thermometer that can be used in 21 CFR 11 environments raw data is locked and may not be cleared/changed on base unit.

  • Meets current CDC requirements for vaccine storage and monitoring
  • Rolling memory structure, maintains most recent one million (1,048,576) temperature observations
  • Smart-Alarmâ„¢ features a visual/audible alarm that continues to alarm even if the unit returns to non-alarm conditions
  • Stores up to ten unique alarm events
  • Memory can be cleared on unit after downloading data to USB stick
  • Hassle-free retrieval of data - unit can remain in use while downloading and analyzing data
  • Status indicators - Low battery, memory full, USB data transfer and active alarm state