Features a weatherproof enclosure for operation in indoor and outdoor environments, direct USB interface for fast data offload, and accepts multiple energy and environmental sensors, ranging from amps to temperature. Memory stores 43,000 measurements of 12-bit resolution readings.
Features a weatherproof enclosure for operation in indoor and outdoor environments, direct USB interface for fast data offload, and accepts multiple energy and environmental sensors, ranging from amps to temperature. Memory stores 43,000 measurements of 12-bit resolution readings.
Discontinued!
This product has been discontinued and is no longer available. There are no replacement options.
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The HOBO U12 4-External Channel Outdoor/Industrial data logger has a 12-bit resolution and can record up to 43,000 measurements or events. The four external channels accept a wide range of Onset and third-party sensors/transducers with a 0-2.5 VDC output, including external temperature, AC current, pressure, air velocity, and kW sensors.
Features
Applications
| Analog channels | 0 to 2.5 Vdc (with CABLE-2.5-STEREO) 0 to 5 Vdc (with CABLE-ADAP5) 0 to 10 Vdc (with CABLE-ADAP10) 0 to 24 Vdc (with 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), See Plot A in Manual |
| Operating Range | -20 to 70°C (-4 to 158°F) |
| Weatherproof Case | Tested to NEMA 6 Standard |
| Operating Temperature | -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. The Logger Requires One 3-Volt CR-2032 Lithium Battery. |
| 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") |
Click on a category to view a selection of compatible accessories with the Onset HOBO U12-008 4-Channel Energy/Environmental Data Logger.
| Analog channels | 0 to 2.5 Vdc (with CABLE-2.5-STEREO) 0 to 5 Vdc (with CABLE-ADAP5) 0 to 10 Vdc (with CABLE-ADAP10) 0 to 24 Vdc (with 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), See Plot A in Manual |
| Operating Range | -20 to 70°C (-4 to 158°F) |
| Weatherproof Case | Tested to NEMA 6 Standard |
| Operating Temperature | -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. The Logger Requires One 3-Volt CR-2032 Lithium Battery. |
| 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") |
Click on a category to view a selection of compatible accessories with the Onset HOBO U12-008 4-Channel Energy/Environmental Data Logger.