U12-011
HOBO Temperature/Relative Humidity Data Logger
Discontinued
Important Information
Requires HOBOware software (USB interface cable included w/CD purchase) and a communications device. See compatible items below.
Compatible with
Overview
A 2-channel data logger for high-accuracy monitoring of temperature and humidity.
Features
- 12-bit resolution provides high accuracy
- Large memory for long-term deployments or fast sampling
- Five models to choose from, with flexible measurement options
- Programmable and push-button start
Specifications
Measurement range:
Temperature: -20° to 70°C (-4° to 158°F)
RH: 5% to 95% RH
Accuracy:
Temperature: ± 0.35°C from 0° to 50°C (± 0.63°F from 32° to 122°F), see Plot A
RH: ±2.5% from 10% to 90% RH (typical), to a maximum of ±3.5% including hysteresis, see Plot B.
Resolution:
Temperature: 0.03°C at 25°C (0.05°F at 77°F), see Plot A
RH: 0.03% 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: 6 minutes, typical to 90%
RH: 1 minute, typical to 90%
Time accuracy: ± 1 minute per month at 25°C (77°F), see Plot C
Operating temperature:
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
Battery life: 1 year typical use
Memory: 64K bytes (43,000 12-bit measurements)
Weight: 46 g (1.6 oz)
Dimensions: 58 x 74 x 22 mm (2.3 x 2.9 x 0.9 inches)
The CE Marking identifies this product as complying with all relevant directives in the European Union (EU).
Compatible items
Compliance Certificates
NIST Setup & Certifications
Communication Cables
Batteries
Graphing & Analysis
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