FIG. 1 is a front elevational view of an insulation resistance tester, showing our new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a perspective view thereof;
FIG. 8 is a front elevational view thereof, showing a display unit displaying an image;
FIG. 9 is a perspective view thereof, showing a cover slid;
FIG. 10 is a perspective view thereof, showing the slid cover rotated by 90°;
FIG. 11 is a perspective view thereof, showing a front panel covered by a cover;
FIG. 12 is front elevational view thereof, showing the front panel covered by the cover;
FIG. 13 is a rear elevational view thereof, showing the front panel covered by the cover;
FIG. 14 is a left side elevational view thereof, showing the front panel covered by the cover;
FIG. 15 is a right side elevational view thereof, showing the front panel covered by the cover;
FIG. 16 is a top plan view thereof, showing the front panel covered by the cover; and,
FIG. 17 is a bottom plan view thereof, showing the front panel covered by the cover.