DeFelsko STDZSTLL Zero Plates Large Square, Diameter: 180 mm x 180 mm x 6 mm (7" x 7" x 0.25"), Steel, for use with the PosiTector 6000 FLS, FJS, FNGS probes

The DeFelsko STDZSTLL Zero Plates Large Square, Diameter: 180 mm x 180 mm x 6 mm (7" x 7" x 0.25"), Steel, for use with the PosiTector 6000 FLS, FJS, FNGS probes is used to provide a substrate where none exists. Large sheets of material such as paper, plastic, fabric and rubber can be measured with a coating thickness gage by placing the material over the zero plate. This is useful when the measured item is too large to access with a micrometer or other device. For example the screen printing industry uses zero plates to measure the thickness of the "substrate" being printed.