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Rotronic HygroLog HL-20 Humidity Data Loggers

[ Rotronic HygroLog HL-20 Humidity Data Loggers ]



Rotronic HL-20 series compact data loggers for humidity and temperature measurement offers high precision and reliability at a reasonable price. They are easy to use and deployable in a wide range of applications, including: warehouses, factory halls, museums, office buildings, clean rooms, shipping, libraries, test facilities.

Thanks to its integrated batteries, the HL-20 works completely independently and offers its users maximum flexibility.

Calibration is optionally available at extra cost.

  • Highest accuracy at 0.8 %RH and 0.2 ˚C
  • Outstanding long term stability
  • 20,000 data point memory with date & time stamps, 5 sec. to 1 hour in 5 sec. increments
  • Programmable alarm limits
  • Programmable recording intervals
  • Psychrometric calculations of dew and frost point values available
  • FDA 21 CFR Part 11 / GAMP 4 compliant
  • UART interface (requires special data cable)
  • Long battery life