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