Onset HOBO UX100-023A External Temperature/Relative Humidity Data Logger

Temperature Sensor

Range: -20° to 70°C (-4° to 158°F)

Accuracy: ±0.21°C from 0° to 50°C (±0.38°F from 32° to 122°F), see Plot A

Resolution: 0.024°C at 25°C (0.04°F at 77°F); see Plot A

Response Time: 6 minutes in air moving 1 m/s (2.2 mph)

Drift: <0.1°C (0.18°F) per year

RH Sensor

Range: 1% to 95% at -40° to 75°C (-40° to 167°F); exposure to conditions
below -20°C (-4°F) or above 95% RH may temporarily increase the
maximum RH sensor error by an additional 1%

Accuracy: ±2.5% from 10% to 90% typical to a maximum of ±3.5% including hysteresis, see Plot B

Resolution: 0.05% at 25°C (77°F)

Response Time: 5 minutes to 90% in airflow of 1 m/s (2.2 mph)

Drift: <1% per year typical

Cable Length: 1.83 m (6 ft)

Logger

Logger Operating Range:
Logging: -20° to 70°C (-4° to 158°F); 0 to 95% RH (non-condensing)
Launch/Readout: 0° to 50°C (32° to 122°F) per USB specification

Logging Rate: 1 second to 18 hours, 12 minutes, 15 seconds

Logging Modes: Normal, Burst or Statistics

Memory Modes: Wrap when Full or Stop when Full

Start Modes: Immediately, Push Button, Date & Time or Next Interval

Stop Modes: When Memory Full, Push Button, or Date & Time

Restart Mode: Push Button

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

Battery Life: 1 year, typical with logging rate of 1 minute and sampling interval of 15 seconds or greater

Battery Type: One 3V CR2032 lithium battery

Memory: 128 KB (84,650 measurements, maximum)

Download Type: USB 2.0 interface

Full Memory Download Time: 20 seconds

LCD: LCD is visible from: 0° to 50°C (32° to 122°F); the LCD may react slowly or go blank in temperatures outside this range

Size: 3.66 x 8.48 x 2.29 cm (1.44 x 3.34 x 0.9 in.)

Weight: 30 g (1.06 oz)

Environmental Rating: IP50

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

Cable

One 184 cm (6 ft.) PVC cable; sensor diameter 1 cm (0.38 in.)