Onset Hobo temperature and Humidity Data Logger Thermometer and Hygrometer

Overview
The HOBO UX100-011 Temperature/Relative Humidity data logger records temperature and relative humidity (within 2.5% accuracy) in indoor environments with its integrated sensors. This data logger is ideal for monitoring occupant comfort in office buildings, tracking food storage conditions in warehouses, logging temperature trends in server rooms, and measuring humidity levels in museums.
 1. Easy-to view LCD display
 2. Large memory capacity
 3.Visual high & low alarm thresholds
 4.New Burst and Statistics logging modes
 5.User-replaceable Relative Humidity sensor

In what environment does this data logger operate?
This data logger operates in an indoor environment.

What measurements does this data logger support?
The UX100-011 data logger supports the following measurements: Relative Humidity and Temperature

Peecification:
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)
Resolution:      0.024°C at 25°C (0.04°F at 77°F); see Plot A
Response time:      4 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% (non-condensing)
Accuracy:     ±2.5% from 10% to 90% typical to a maximum of ±3.5% including hysteresis at 25°C (77°F); below 10% and above 90% ±5% typical
Resolution:      0.05%
Response time:      11 seconds to 90% in airflow of 1 m/s (2.2 mph)
Drift:      <1% per year typical
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)