Wire Mesh Hole Measuring – Ruler

Measuring opening of Coarse Mesh Cloth:

With a ruler, check the distance from the inner edges of two adjacent, parallel wires.

Or count the openings in one linear inch, starting at the center of any wire.

Wire Mesh Hole Measuring – Counting Glass

Measuring the mesh No. of Medium Mesh Cloth:
Beginning about 20 mesh, use a counting glass to count the openings per linear inch from wire center to center both horizontally and vertically (or count openings in 1/4 inch slot and multiply by four).

Wire Mesh Hole Measuring – Micro-meter Caliper

Measuring the Wire Diameter:
Always check with a micrometer caliper. Measure both Warp and Shute. Use a magnifying glass to see if wires are parallel (both Warp and Shute). Check quality of crimping.

Wire Mesh No. Measuring – Mesh No. Counting Instrument

Measuring the Mesh No. of Fine Wire Mesh Cloth:
Beginning about 50 mesh, use a Mesh No. Counting Instrument to read the mesh numbers per inch.