IS 7554 Height Gauge GT-KB30

The height gauge includes:
A. A flat plate equipped with a clamping ring that meets the required specifications and has a treated lower surface.

B. A hole located at the center of the plate, with a diameter smaller than the clamping ring but large enough to allow the thickness gauge spindle to move freely through it.

C. A thickness gauge that:

1. Features a spindle with a spherical lower surface having a radius of 1.5 ± 0.2 mm;
2. Applies a force of 0.55 ± 0.10 N to the spindle;
3. Can measure with an accuracy of 0.05 mm;
4. Is positioned so that the spindle passes vertically through the hole in the flat plate.