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The HOBO U12 Deep Ocean Water Temperature Logger is a single-channel water temperature logger with 12-bit resolution that can record up to 43,000 measurements. With its robust titanium housing, this logger is designed to withstand ocean extremes of depth (11,000m) and temperature.
IMPORTANT: The Hobo software needs to be purchased with this logger. Please order via the Recommended Products section (below).
| Measurement Range: | -40° to 125°C (-40° to 257°F) |
| Accuracy: | ±0.22°C at 25°C (±0.4°F at 77°F), see Plot A below |
| Resolution: | 0.025°C at 25°C (0.045°F at 77°F), see Plot A below |
| Drift: | 0.05°C/year + 0.1°C/1000 hrs above 100°C (0.09°F + 0.2°F/1000 hrs above 212°F |
| Response Time in Water: | < 4 minutes, typical to 90% |
| Time Accuracy: | ±2 minute per month at 25°C (77°F), see Plot B below |
| Operating Environment: | Air, water, steam, 0 to 100% RH |
| Operating Temperature: |
Logging: -40° to 125°C (-40° to 257°F) Launch/Readout: 0° to 50°C (32° to 122°F), per USB specification |
| Battery Life: | 3 years typical use, factory replaceable |
| Memory | 64K bytes (43,000 12-bit measurements) |
| Construction | Titanium with O-ring seals and backup rings |
| Weight | 105 g (3.7 oz) |
| Size: | 114 x 20.6 mm diameter (4.5 x 0.81 in. diameter) |
| Depth Rating: | 11,000 m (36,080 ft) |
| Pressure Rating: | 1110 bar (16,000 psi) |
| Vibration Rating: | Navy spec: NAVMAT P-9492 |
Deep Ocean Temperature Monitoring
The HOBO U12 Deep Ocean Water Temperature Logger is a single-channel water temperature logger with 12-bit resolution that can record up to 43,000 measurements. With its robust titanium housing, this logger is designed to withstand ocean extremes of depth (11,000m) and temperature.
IMPORTANT: The Hobo software needs to be purchased with this logger. Please order via the Recommended Products section (below).
| Measurement Range: | -40° to 125°C (-40° to 257°F) |
| Accuracy: | ±0.22°C at 25°C (±0.4°F at 77°F), see Plot A below |
| Resolution: | 0.025°C at 25°C (0.045°F at 77°F), see Plot A below |
| Drift: | 0.05°C/year + 0.1°C/1000 hrs above 100°C (0.09°F + 0.2°F/1000 hrs above 212°F |
| Response Time in Water: | < 4 minutes, typical to 90% |
| Time Accuracy: | ±2 minute per month at 25°C (77°F), see Plot B below |
| Operating Environment: | Air, water, steam, 0 to 100% RH |
| Operating Temperature: |
Logging: -40° to 125°C (-40° to 257°F) Launch/Readout: 0° to 50°C (32° to 122°F), per USB specification |
| Battery Life: | 3 years typical use, factory replaceable |
| Memory | 64K bytes (43,000 12-bit measurements) |
| Construction | Titanium with O-ring seals and backup rings |
| Weight | 105 g (3.7 oz) |
| Size: | 114 x 20.6 mm diameter (4.5 x 0.81 in. diameter) |
| Depth Rating: | 11,000 m (36,080 ft) |
| Pressure Rating: | 1110 bar (16,000 psi) |
| Vibration Rating: | Navy spec: NAVMAT P-9492 |
Deep Ocean Temperature Monitoring
