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Part Number:  UTBI-001
Price:   $125.00

TidbiT V2 Temperature Data Logger

Tidbit Temp Logger

The tiny TidbiT v2 is a temperature data logger with 12-bit resolution and a precision sensor for ±0.2 °C accuracy over a wide temperature range. Its durable, waterproof case is designed for extended deployments measuring temperature in streams, lakes, oceans, coastal habitats, and soils. The TidbiT is waterproof to 300m (1000 ft). Data readout is available in less than 30 seconds via the Optic USB interface

The logger requires HOBOware software and a base station or compatible shuttle for operation.


Accuracy0.2°C over 0° to 50°C (0.36°F over 32° to 122°F)
Operation range*-20° to 70°C (-4° to 158°F) in air; maximum sustained temperature of 30°C (86°F) in water*
Accuracy 0.2°C over 0° to 50°C (0.36°F over 32° to 122°F)
Resolution 0.02°C at 25°C (0.04°F at 77°F)
Response time 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) 0.1°C (0.18°F) per year
Real-time clock 1 minute per month 0° to 50°C (32° to 122°F)
Battery 3 Volt lithium, non-replaceable
Battery life (typical use) 5 years with 1 minute or greater logging interval
Memory (non-volatile)64K bytes memory (approx. 42,000 12-bit temperature measurements)
Weight 23 g (0.8 oz)
Dimensions 3.0 4.1 1.7 cm (1.2 1.6 0.65 in.); mounting bail 4.6 mm (3/16 in.) diameter
Wetted materialsEpoxy case
WaterproofTo 305 m (1000 ft.)
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, delayed start
Offload modes Offload while logging; stop and offload
Battery indication Battery level can be viewed in status screen and optionally logged in datafile. Low battery indication in datafile.
CE CompliantThe CE Marking identifies this product as complying with all relevant directives in the European Union (EU).
*To guarantee accuracy, the TidbiT v2 Temp must not be used in condensing environments and water temperatures higher than 30C (86F) for more than eight cumulative weeks over the life of the logger. Frequent or prolonged exposure will lead to measurement drift and eventual failure.
Ordering Information
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Description Part Number Qty 1-9 Qty 10+  
Data Logger
TidbiT v2 Underwater Temperature Data Logger UTBI-001 $125.00 contact us Contact us to order
Communications (One required)
Universal Optic USB Base Station BASE-U-4 $110.00 contact us Contact us to order
HOBO Waterproof Shuttle U-DTW-1 $219.00 contact us Contact us to order
Software Starter Kit (One required)
HOBOware Pro for Windows and USB interface cable BHW-PC $99.00 contact us Contact us to order
HOBOware Pro for Mac and USB interface cable BHW-MAC $99.00 contact us Contact us to order
HOBOware Lite for Windows/Mac and USB interface cable BHW-LITE $39.00 contact us Contact us to order
Optional Accessories
HOBO U-Shuttle Data Transporter U-DT-1 $249.00 contact us Contact us to order
Note: Optic base station required when using U-DT-1 Shuttle

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