Dissolved Oxygen Logger
HOBO U26

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Product Description

Affordable, high-performance dissolved oxygen monitoring

The HOBO U26 Dissolved Oxygen Logger measures concentrations of dissolved oxygen in lakes, streams, rivers, estuaries, and coastal waters. Used by aquatic biologists, hydrologists, and other research professionals to monitor water quality, the U26 is ideal for climate change and environmental impact studies as well as ecological and oceanographic research.

The HOBO U26 combines the high-accuracy, robust performance of industry-leading RDO® Basic (Rugged Dissolved Oxygen) sensor technology with an easy-to-maintain design, all at a fraction of the cost of other monitoring options.

Affordable, high performance DO monitoring
Optical DO sensor technology for long-lasting calibration, less
Software corrects for measurement drift from fouling; provides salinity-adjusted DO concentration and percent saturation (Salinity adjustment requires salinity meter reading or data logger file. Percent saturation requires barometric pressure data file.)
Optic USB interface for high-speed, reliable data offload
Easy-to-replace DO sensor cap lasts six months

Product Features

Communicates to HOBO MX data loggers using Bluetooth (LE) technology
No internet connection required
Set data logger’s name, password, logging rate, alarm threshold, start and stop time
Automatically upload data to Onset’s cloud-based HOBOlink software to store and merge data files
Configure and clear audible alarms
Page the data logger
Quickly download and view data
Export and share data as CSV, TXT, XLSX, or HOBO files