vLog Validation/Mapping System: Data Loggers

Source: Vaisala, Inc.

vLog Validation/Mapping System: Data Loggers

Designed for the most demanding validation and mapping applications, the Vaisala validation system is a powerful, easy-to-use alternative to thermocouple-based equipment and bulky data acquisition systems. A complete solution, our mapping tools eliminate costly downtime from pre- and post-calibration and deliver accurate, validatable results.

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Our compact, rugged data loggers can be placed easily, minimizing interruptions to normal operations during mapping and validation exercises. The system does not require as many time-consuming pre- and post- calibrations because of the high-stability sensors used in the data loggers.


  • ​Small, thermistor-equipped data loggers are easy to place and won't interrupt normal operations during validation studies.
  • Logger batteries have a 10-year lifespan ensuring reliable, non-stop recording for studies of almost any length.
  • No complex wiring,  probe cables, or lengthy setup required. Simply download the software, place the loggers and begin.
  • All files are encrypted and reports are 21 CFR Part 11 compliant.
  • Easy-to-use vLog VL software provides detailed, customizable reports; combine several data sets into one report, specify report over time, and loggers.
  • Available with comprehensive IQ/OQ protocols to help speed up your validation exercises.

New features in vLog VL 4.5:

  • Localized versions of software in Chinese, Japanese and French.
  • Batch set-up, download, and reporting options.
  • Audit trail filtering.