Onset HOBO - Model U12-008 -4-Channel External Data Logger

• Weatherproof enclosure
• 12-bit resolution provides high accuracy
• Programmable and push-button start
• Direct USB interface for fast data offload
• Compatible with Onset’s HOBO U-Shuttle for convenient data transport
• Compatible with HOBOware and HOBOware Pro for logger setup, graphing and analysis

Environment:
The U12-008 Data Logger is for use inIndoor and Outdoor environments

Measurements:
The U12-008 Data Logger supports the following measurements (sensors sold separately):

Temperature, 4-20mA, AC Current, AC Voltage, Air Velocity, Carbon Dioxide , Compressed Air Flow, DC Current, DC Voltage, Gauge Pressure, Kilowatts (kW), Volatile Organic Compoun

Analog channels:

• 0 to 2.5 Vdc (w/CABLE-2.5-STEREO); 0 to 5 Vdc (w/CABLE-ADAP5); 0 to 10 Vdc (w/ CABLE-ADAP10); 0 to 24 Vdc (w/CABLE-4-20MA)

Accuracy (logger only):

• ± 2 mV ± 2.5% of absolute reading
• ± 2 mV ± 1% of reading for data logger-powered sensors
• Resolution: 0.6mV
• Sample Rate: 1 second to 18 hours, user selectable
• Time accuracy: ± 1 minute per month at 25°C (77°F)

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