HOBO 4-Channel External Data Logger
- 12-bit resolution provides high accuracy
- Large memory for long-term deployments or fast sampling
- 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 software for logger setup, graphing and analysis
In what environment does this data logger operate?
This data logger operates in an indoor environment.
What measurements does this data logger support?
The U12-006 data logger supports the following measurements: 4-20mA, AC Current, AC Voltage, Air Velocity, Carbon Dioxide, Compressed Air Flow, DC Current, DC Voltage, Gauge Pressure, Kilowatts (kW) and Temperature
The country of origin for this product is the United States. To see the full specifications for this product, please see our product manual found under the documentation tab if available.
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); 4-20 mA (w/CABLE-4-20MA)
Accuracy (logger only): ± 2 mV ± 2.5% of absolute reading; ± 2 mV ± 1% of reading for logger-powered sensors
Sample Rate: 1 second to 18 hours, user selectable
Time accuracy: ± 1 minute per month at 25°C (77°F), see Plot A
Operating range: -20 to 70°C (-4° to 158°F)
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
Humidity range: 0 to 95% RH, non-condensing
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).

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Detailed Specifications
HOBO 4-Channel External Data Logger
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); 4-20 mA (w/CABLE-4-20MA)
Accuracy (logger only): ± 2 mV ± 2.5% of absolute reading; ± 2 mV ± 1% of reading for logger-powered sensors
Sample Rate: 1 second to 18 hours, user selectable
Time accuracy: ± 1 minute per month at 25°C (77°F), see Plot A
Operating range: -20 to 70°C (-4° to 158°F)
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
Humidity range: 0 to 95% RH, non-condensing
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).