The compact data logger for humidity and temperature measurement offers high precision and reliability at a reasonable price. The HL-20 series is easy to use and
deployable in a wide range of applications. Thanks to its integrated batteries, the HL-20 works completely independently and offers its users maximum flexibility.

Applications
Warehouses, factory halls, museums, office buildings, clean rooms, shipping, libraries, test facilities

Features
• Highest accuracy at 0.8 %RH and 0.3 ˚C
• Outstanding long term stability
• 20,000 data point memory with date & time stamps
• 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
• Long battery life

Measured quantity : temperature and humidity
Connector type : USB, with PC interface
Display : with screen
Applications : for monitoring, storage, for logistics
Other characteristics : programmable, compact, with connector, battery-powered, portable, cost-effective
Memory capacity : 20,000 unit