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Onset HOBO - Model U22-001 -Water Temperature Pro v2 Data Logger
The HOBO Water Temp Pro v2 is durable with 12-bit resolution. Complete with a precision sensor for ±0.2°C accuracy, this logger measures temperatures between -40°C and 70°C (-40°F to 158°F) in air and up to 50°C (122°F) in water. Its waterproof, streamlined case allows for extended deployment in fresh or salt water. Moreover, the Water Temp Pro v2’s optical USB interface makes it possible to offload data even while the logger is wet or underwater.
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- Research-grade measurements at an affordable price
- Waterproof to 120 meters (400 feet)
- Data readout in less than 30 seconds via fast Optic USB interface
- Compatible with HOBOware and HOBOware Pro software for logger setup, graphing and analysis
Environment:
The U22-001 Data Logger is for use inOutdoor and Underwater environments
Measurements:
The U22-001 Data Logger supports the following measurements:
Temperature, Water Temp
- Operation range†: -40° to 70°C (-40° to 158°F) in air; maximumsustained temperature of 50°C (122°F) in water
- Accuracy: ±0.21°C from 0° to 50°C (±0.38°F from 32° to 122°F)
- Resolution: 0.02°C at 25°C (0.04°F at 77°F)
- Response time: (90%) 5 minutes in water; 12 minutes in air moving 2 m/sec (typical)
- Stability (drift): 0.1°C (0.18°F) per year
- Real-time clock: ± 1 minute per month 0° to 50°C (32° to 122°F)
- Battery: 2/3 AA, 3.6 Volt Lithium, factory-replaceable ONLY
- Battery life (typical use): 6 years with 1 minute or greater logging interval
- Memory (non-volatile): 64K bytes memory (approx. 42,000 12-bit temperature measurements)
- Weight: 42 g (1.5 oz)
- Dimensions: 3.0 cm (1.19 in.) maximum diameter, 11.4 cm (4.5 in.) length; mounting hole 6.3 mm (0.25 inches) diameter
- Wetted materials: Polypropylene case, EPDM® o-rings, stainless steel retaining ring
- Buoyancy (fresh water): +13 g (0.5 oz.) in fresh water at 25°C (77°F); +17 g (0.6 oz.) with optional boot
- Waterproof: To 120 m (400 ft.)
- Shock/drop: 1.5 m (5 ft.) drop at 0°C to 70°C (32°F to 150°F)
- Logging interval: Fixed-rate or multiple logging intervals, with up to 8 user-defined logging intervals and durations; logging intervals from 1 second to 18 hours. Refer to HOBOware software manual.
- Launch modes: Immediate start and delayed start
- Offload modes: Offload while logging; stop and offload
- Battery indication: Battery voltage can be viewed in status screen and optionally logged in datafile. Low battery indication in datafile.
- NIST certificate Available: for additional charge
- The CE Marking identifies this product as complying with all relevant directives in the European Union (EU).