Performance Verification Statement for the HOBO U26 Dissolved Oxygen Sensors

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Ref. No. [UMCES] CBL 2016-013
ACT VS16-04
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Figure 8. Top panel: Time series of DO measured by HOBO U26 deployed during the 18 week HIMB field trial.
Continuous DO recordings from instrument (blue line) and DO of adjacent grab samples determined by Winkler
Titrations (red circles.) Bottom Panel: Time series of the difference between the HOBO and reference
measurements for each matched pair in the range of ± 2mg/L DO (n=108 of a total possible 129
observations).