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 D. Response of the Onset HOBO logger with RDO (sn 10603120) to changing dissolved
oxygen concentrations at 5.4oC and S=0.00. Top Panel: Time series of instrument readings and
Winkler reference samples drawn at level of sensor foil in well-mixed test tanks. Bottom Panel:
Corresponding offset between instrument reading and Winkler DO reference sample during
exposure trial. Dotted line represents zero offset from reference.