HOBO TidbiT v2 Water Temperature Data Logger
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Overview
Only 3x4 cm, this tiny data logger measures temperatures over a wide range, providing 12-bit resolution and ±0.2 °C accuracy. Designed for outdoor and underwater environments, this logger is waterproof to 300 m (1000 ft). An optical USB interface lets you offload data in seconds.
Please note: A solar radiation shield is required to obtain accurate air temperature measurements in sunlight (assembly-required RS1 Solar Radiation Shield or pre-assembled M-RSA Solar Radiation Shield).
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Features
- Onset's smallest temperature data logger
- Waterproof to 300 meters (1,000 feet)
- Data readout in less than 30 seconds via fast Optic USB interface
Specifications
Temperature Sensor
Operation Range*
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-20° to 70°C in air;-4° to 158°F in air;maximum sustained temperature of 30°C (86°F) in water*
Accuracy
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±0.21°C from 0° to 50°C , see manual for plot±0.38°F from 32° to 122°F , see manual for plot
Resolution
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0.02°C at 25°C , see manual for plot0.04°F at 77°F , see manual for plot
Response Time
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5 minutes in water; 12 minutes in air moving 2 m/sec;20 minutes in air moving 1 m/sec (typical to 90%)
Stability (Drift)
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0.1°C per year0.18°F per year
Logger
Real-time Clock
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±1 minute per month 0° to 50°C (32° to 122°F)
Battery
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3 Volt lithium, non-replaceable
Battery Life (Typical Use)
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5 years with 1 minute or greater logging interval
Memory (Non-volatile)
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64K bytes memory (approx. 42,000 12-bit temperature measurements)
Weight
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19.6 g0.69 oz
Dimensions
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3.0 × 4.1 × 1.7 cm (1.2 × 1.6 × 0.68 in.); mounting bail 4.6 mm (3/16 in.) diameter hole
Wetted Materials
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Epoxy case
Waterproof
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To 305 m (1000 ft.)
Logging Interval
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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
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Immediate start, delayed start, triggered start
Offload Modes
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Offload while logging; stop and offload
Battery Indication
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Battery level can be viewed in status screen and optionally logged in datafile. Low battery indication in datafile.
Environmental Rating
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IP68
NIST Certificate
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Available for additional charge
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