It is designed according to the standard GB/T5480.3-2004 "Test Methods for Mineral Wool and Its Products Part 3: Dimensions and Density", and is suitable for thickness measurement of mineral wool and its products.

Needle thickness gaugeMain parameters:
1. Measurement range: 0-140mm;
2. Pressure plate size: 200 × 200mm;
3. Pressure plate pressure: 49Pa;
4. Measuring needle diameter: ￠ 3mm;
5. Division value: 1mm

usage method:
Place the test sample flat on a hard flat plate, loosen the tightening nut at the bottom of the measuring needle, gently place the instrument on the test sample, slowly insert the measuring needle into the test sample until it reaches the bottom, and check the thickness indicated by the parallel position of the scale pointer slider, which is the thickness of the test sample.