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

• Highest accuracy at 0.8 %RH and 0.3 ˚C
• Outstanding long term stability
• 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

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