Compact Loggers HygroLog

HygroLog HL-20D-SET1

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.

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

• Range of application: -10…60 °C, 0…100 %rh
• 20'000 data point memory
• Freely selectable logging interval, 5 s…1 h
• Integrated clock enables timestamp for every measurement
• Adjusted at 10, 35, 80 %rh and 23 °C
• Programmable alarms
• Battery operation
• Interface (UART) for connection to PC
• No software

The set consists of: 
• HL-20D
• Battery
• Cable AC3006

More Information
Long-term stability <1 %rh / year
Accuracy at 23 ±5 °C ±0.8 %rh @ 10...60 %rh / ±0.3 K
±1.3 %rh @ 60...100 %rh / ±0.3 K
Response time t 63 3 min. (typically)
Power consumption 3x AA (1.5 V) alkali battery
Dimensions 130 x 72 x 32 mm
Operating range -10…60 °C / 0…100 %rh
Psychrometric calculations Dew or frost point
IP protection rating IP40
FDA/GAMP compatibility FDA 21 CFR Part 11 and GAMP compatible
Status indicator LED 5 sec.: Green flash when recording data, red flash for out-of-limit value or logger problem
Measuring range with integrated probe -10…60 °C / 0…100 %rh
Measurement interval 5 sec. to 1 hour in 5 sec. increments
Memory size 20000 data values (%rh/°C, Date, Time)
Communication interfaces Mini USB (UART)
Enclosure material ABS

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+65 6376 2107


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