HOBO U10 Temperature Relative Humidity Data Logger - U10-003

The HOBO U10 Temperature Data Logger is an economical choice for indoor temperature and relative humidity monitoring. Its small size and large memory capacity make it a great multi-purpose logger.

Measurement range
Temperature: -20° to 70°C (-4° to 158°F)
RH: 25% to 95% RH

Accuracy
Temperature:+/- 0.54°C from 0° to 50°C (0.97°F from 32° to 122°F), see Plot A
RH: ± 3.5% from 25% to 85% over the range of 15° to 45°C (59° to 113°F), see Plot B; ± 5% from 25% to 95% over the range of 5° to 55°C (41° to 131°F), see Plot B

Resolution
Temperature: 0.1°C at 25°C (0.2°F at 77°F), see Plot A
RH: 0.07% @ 25°C and 30% RH

Sample Rate
1 second to 18 hours, user selectable

Drift
Temperature: 0.1°C/year (0.2°F/year)
RH: <1% per year typical

Response time in airflow of 1 m/s (2.2 mph)
Temperature: 10 minutes, typical to 90%
RH: 6 minutes, typical to 90%

Time accuracy: Approximately ± 1 minute per month at 25°C (77°F), see Plot C

Operating range:
Logging: -20° to 70°C (-4° to 158°F); 0 to 95% RH (non-condensing)

Battery life: 1 year typical use

Memory: 64K bytes (52,000 10-bit measurements)

Weight: 26 g (0.82 oz)

Dimensions: 45 x 60 x 20 mm (1.8 x 2.38 x 0.77 inches)

The CE Marking identifies this product as complying with the relevant directives in the European Union (EU).

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