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The durable HOBO Water Temp Pro v2 has 12-bit resolution and a precision sensor for ±0.2°C accuracy over a wide temperature range. Designed with a durable streamlined case for extended deployment in fresh or salt water, the Water Temp Pro v2 is equipped with an Optic USB interface for data offload in the field, even when the data logger is wet. For accurate ambient air temperature measurement in sunlight a solar radiation shield is required (RS1 Solar Radiation Shield, assembly required; M-RSA pre-assembled Solar Radiation Shield).
The U22-001 Data Logger is for use in Outdoor and Underwater environments
The U22-001 Data Logger supports the following measurements :
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
LoggerReal-time clock: ± 1 minute per month 0° to 50°C (32° to 122°F)Battery: 2/3 AA, 3.6 Volt Lithium, factory-replaceable ONLYBattery life (typical use): 6 years with 1 minute or greater logging intervalMemory (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) diameterWetted materials: Polypropylene case, EPDM® o-rings, stainless steel retaining ringBuoyancy (fresh water): +13 g (0.5 oz.) in fresh water at 25°C (77°F); +17 g (0.6 oz.) with optional bootWaterproof: 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 startOffload modes: Offload while logging; stop and offloadBattery indication: Battery voltage can be viewed in status screen and optionally logged in datafile. Low battery indication in datafile.NIST certificate Available: for additional chargeThe CE Marking identifies this product as complying with all relevant directives in the European Union (EU).
†IMPORTANT: The plastic case will become brittle at temperatures lower than -20°C. If the logger is deployed in a location where the temperature drops below -20°C, make sure the logger remains stationary and is not pulled on or struck. Return the logger to above -20°C before handling.
Learn the features of this water temperature logger, including waterproof depth, degree Celsius temperature accuracy, and memory statistics. Battery details, optical communications for underwater offloading, and HOBOware Pro software compatibility are also covered.
IMPORTANT: This HOBO data logger requires HOBOware software and a communications cable (see related products below) HOBOware Software is a FREE download
Note: This logger also operates with the advanced HOBOware-Pro Software
