18 / 60
Ref. No. [UMCES] CBL 2016-016
ACT VS16-07
18
Figure C.
Response of Troll 9000 with Optical DO (sn 51530) to changing dissolved oxygen
concentrations at 15.4
o
C and S=34.20.
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.