Air, Water & Soil Temperature by Onset
These loggers are manufactured by Onset Computer Corporation, also known as HOBO Loggers.
HOBO Pendant Loggers
The Pendant logger is an economical, weatherproof and waterproof temperature data logger that is designed for short or long-term monitoring applications. These loggers will record the temperature and allow you to download a file to your computer for further review and analysis. They communicate using USB through an infrared base station (model Base-U-1). There are also data shuttles that allow you to collect data in the field without a laptop. The UA-002 models also record light, it is a light intensity measurement.
There are a variety of models available:
HOBO Water Temp Pro v2 Logger (Model: U22-001)
The HOBO PRO V2 water temperature logger is designed for durable underwater temperature monitoring and recording. Some features include, 12-bit resolution, rugged case design and non-volatile EEPROM memory. A protective boot is available for added protection and extremely rugged environments.
These loggers also use an infrared base station (Base-U-4). The loggers are water proof to 120 meters (400 feet).
Temperature Range: -40° to 122° F in Water or -40° to 158° F in Air.
HOBO U12 Temperature Logger (Model: U12-015-03)
The HOBO U12 Deep Ocean temperature data logger is designed to track water temperatures in the most extreme ocean environments. Built with a virtually indestructible Titanium housing, the logger can withstand corrosive water and exposure to extreme temperature and pressure at depths of up to 11,000 meters (36,000 feet).
Requires HOBOware Pro Software (BHW-PRO-CD)