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. 2019 Feb 22;19(4):936. doi: 10.3390/s19040936

Figure 6.

Figure 6

Additional weight and sensors can be added to the mini-Secchi disk. (ab) Shows how additional weight (a standard fishing weight) can be attached to one of the weight designs of the mini-Secchi disk for operation in currents, or in cases where the platform may be moving (e.g., from a boat). (cd) An iButton housed in a Thermochron waterproof capsule (DS9107) is attached to one of the weight designs of the mini-Secchi disk for measuring water temperature. (ef) An iButton housed in a Thermochron sinking silicon capsule (Th-Silenc) is attached to the weight of the mini-Secchi disk for measuring water temperature.