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Rotronic HL-20D
Humidity and Temperature Data Logger
Specification:
±0.8%RH (10...60%RH)
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
GAMP 4 compliant
UART interface
Long battery life
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.

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