U12-008 Outdoor Logger with 4 External Channels

The HOBO U12 Outdoor/Industrial Data Logger provides 4 channels of input from a wide range of external sensors, including temperature, AC current, AC voltage, CO2, 4-20mA, and DC voltage cables. The rugged enclosure is designed for use in harsh outdoor and industrial applications.

Features:

• Weatherproof enclosure for monitoring in condensing environments
• 4 channels of external input allow monitoring of multiple measurements up to 50 feet from data logger
• Accepts Temperature, AC current, AC voltage, CO2 or third-party sensors via 0-2.5 VDC or 4-20 mA cables
• 12-bit resolution provides high accuracy

Onset Hobo Data Loggers

Onset Computer Corporation

Measurement range: External input channels (see sensor manual): 0 to 2.5 DC Volts

Accuracy (logger only):
± 2 mV ± 2.5% of absolute reading
± 2 mV ± 1% of reading for data logger-powered sensors

Resolution: 0.6mV

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

Operating range:
-20 to 70°C (-4° to 158°F)
Weatherproof case tested to NEMA 6 standard

Operating temperature:
Logging: -20° to 70°C (-4° to 158°F)
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: 200 g (7 oz)

Dimensions: 140 x 137 x 32 mm (5.5 x 5.38 x 1.25 inches)