Onset HOBO - Model U12-015-03 -Deep Ocean Temperature Logger

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 and temperature.

• 11,000m depth rating (36,080 ft)
• Extended temperature range:- -40 to 125C
• Titanium housing for use in saltwater
• Fast readout via direct USB interface
• Compatible with HOBOware and HOBOware Pro software for logger setup, graphing and analysis

Environment:
The U12-015-03 Data Logger is for use inOutdoor and Underwater environments

Measurements:
The U12-015-03 Data Logger supports the following measurements:

• 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
• NIST Certificate: Available for additional charge; temperature range -30° to 120°C (-22° to 248°F)
• The CE Marking identifies this product as complying with all relevant directives in the European Union (EU).