Flow units = GPM, gallons per minute
Pressure units = psi, pounds per square inch
error units = %, percent, example, 8.35 = 8.35%

Figure 1: diagram of rig, illustrational
Figure 2 & 3: in "figure_data.xlsx", sheetname = fixture. ("F3_digitized.xlsx" has the digitized information from the manufacturer or that fixture)

Figure 4: Data is in "Skeleton_1home.xlsx" and "Skeleton_4home.xlsx" for subfigures b and c, respectfully.