HOBO Underwater Temperature Data Logger

The HOBO PRO V2 water temperature logger is designed for durable underwater temperature monitoring and recording. The logger features 12-bit resolution, rugged case design and non-volatile EEPROM memory. A protective boot is available for added protection and extremely rugged environments.

Required with the Underwater Data Logger>> HOBOware™ Software Kit
>> Optic USB Base Station or Waterproof Shuttle Data Transporter

NOTE: Large Quantity Discounts Are Available!

Underwater Data Logger Features

  • High-Speed optic USB Interface offloads full logger < 30 seconds
  • Waterproof to 120 Meters ( 400 feet )
  • Factory-replaceable battery lasts typically 6 years
  • Real-time clock for better than ±1 minute per month time accuracy
  • Programmable Start Time/Date
  • Non-volatile EEPROM memory retains measurements even if battery fails
  • Optional Protective Boot for high water flow, flooding, or conditions with debris
  • Requires HOBOware Software and USB Kit (Available in PC and MAC Versions) and USB Optic Station

Underwater Data Logger Specifications

Accuracy ±0.2°C (0°C to 50°C)
±0.36°F (32°F to 122°F)
Resolution 0.02°C at 25°C
0.04°F at 77°F
Measurement Range Water: -20° to 50°C (-4° to 122°F)
Air: -20° to 70°C (-4° to 158°F)
Time Accuracy ±1 Minute/Month
Data Storage Capacity 42,000 12-bit Samples/Readings
Sampling Interval 1 Second to 18 Hours (User-Selectable via Software)
Battery Life 6 Years (Dependant on Sampling Interval and Environment)
Response Time Water: 5 minutes
Air: 12 minutes Moving 2 m/sec, Typical to 90%
Memory Modes Stop when Full
Data Offload < 30 seconds when full
Wetted Materials Polypropylene, Stainless Steel, EPDM O-ring
Standards Compliance CE
Buoyancy Fresh Water at 25°C: +13 g (0.5 oz)
With Optional Boot: +17 g (0.6 oz)
Battery One (1) 3.6 V Lithium; Factory Replaceable Only
Dimensions 11.4 cm x 3.0 cm (4.5" x 1.19") with 6.4 mm (0.25") hole in mounting bail
Weight 42 g (1.5 oz)

Optic USB Base Station

  • Optic USB Base Station offloads full logger in less than 30 seconds
  • Optical interface to logger eliminates unreliable connectors
  • Easy USB connection to PC

Waterproof Shuttle Data Transporter

  • Waterproof to 20 meters (66ft)
  • Can be used as an Optic USB based station for HOBO Pendant loggers,HOBO Water Level Loggers, and HOBO Water Temp Pro V2 Loggers
  • Allows for data readout under water while diving or snorkeling
  • Rugged waterproof construction
  • LEDs show offload and relaunch status

Protective Boot

The optional protective boot is designed for particularly harsh conditions. The thermoplastic elastomer boot is available in black to minimize visibility underwater or white for minimum solar radiation absorption.

Underwater Temperature Logger Applications

  • Underwater Temperature Monitoring

HOBOWare Software Video Tutorials

How to Launch a HOBO Data Logger using HOBOware Pro Software

How to Readout a HOBO Data Logger using HOBOware Pro