HygroLog HL-20 Data Logger

Offers high precision and reliability at a reasonable price

Starting at

$722.00CAD

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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.

• 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

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