FIG. 1 is a perspective view of a device for measuring velocity and concentration of gases showing our new design;
FIG. 2 is a top view of the device shown in FIG. 1;
FIG. 3 is a bottom view of the device shown in FIG. 1;
FIG. 4 is a first side view of the device shown in FIG. 1;
FIG. 5 is a second side view of the device shown in FIG. 1;
FIG. 6 is a front view of the device shown in FIG. 1; and,
FIG. 7 is a back view of the device shown in FIG. 1.
The broken lines in FIGS. 1 through 7 indicate environmental structure only that forms no part of the claimed design.