This HOBO Pendant® data logger is a miniature, waterproof two-channel temperature and relative light level data logger. The 8K model comes at a great value and is suitable for indoor, outdoor, and underwater applications. This logger holds approximately 6.5K of 10-bit readings. Use a solar radiation shield for accurate temperature measurement in sunlight.See RS1 Solar Radiation Shield (assembly required) and M-RSA (pre-assembled) Solar Radiation Shield. Note that using a solar radiation shield prevents the use of the light sensor. Supported Measurements: Light Intensity, Temperature and Water Temperature Key Advantages: • Low-cost temperature with alarm indication or light intensity • Waterproof housing for wet or underwater use • Data readout in less than 30 seconds via fast Optic USB interface

Measurement Range Temperature: -20° to 70°C (-4° to 158°F) Light: 0 to 320,000 lux (0 to 30,000 lumens/ft2) Accuracy Temperature: ± 0.53°C from 0° to 50°C (± 0.95°F from 32° to 122°F), see Plot A in manual Light intensity: Designed for measurement of relative light levels, see Plot D in manual for light wavelength response Resolution Temperature: 0.14°C at 25°C (0.25°F at 77°F), see Plot A in manual Drift: Less than 0.1°C/year (0.2°F/year) Response Time Airflow of 2 m/s (4.4 mph): 10 minutes, typical to 90% Water: 5 minutes, typical to 90% Time accuracy: ± 1 minute per month at 25°C (77°F), see...

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