Planer Gauge (Refer Fig. 2.81) (Metrology)

2.21.
This adds to utility of measurements on surface plate. The planer gauge consists primarily
of two triangular shaped blocks whose sloping sides can be clamped. A sliding clamping member
having surfaces S and S parallel to datum base, can be slid along the hypotenuse of the triangle,
and clamped in any position with clamp screw. Thus the surfaces S and S move vertically up down
to the height and always being parallel to the surface plate on which planer gauge stands.