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. 2017 Sep 8;17(9):2061. doi: 10.3390/s17092061

Figure 9.

Figure 9

Examples of recently reported thermoelectric flow sensors, (a) A high-temperature thermal flow sensor with membrane, heater and thermopiles; (b) Hardware block diagram of the wireless flow sensor developed by Gould et al.; (c) Time of flight thermal flow sensor for large scale containment facility; (d) Top view of a thermal flow sensor showing reference and sample heaters along with five thermopile junctions on each side.