Figure 11.

A side view of the sensor of the BPro system (1 – a transducer; 2 – the diaphragm; 3 – a plunger; 4 – a layer of gel). Diagram modified from reference (79).

A side view of the sensor of the BPro system (1 – a transducer; 2 – the diaphragm; 3 – a plunger; 4 – a layer of gel). Diagram modified from reference (79).