Paper and cardboard thickness meter Use a contact measurement technique, the TP-E20 gauges paper thickness for corrugated materials. A false weight is used to mount the analog (pointer type) gauge display at the top in order to create a consistent, uniform pressure on the anvil through the foot. It is used in the packaging, paper, and printing industries.Measuring range-0 to 4 mm;Accuracy-0.01 or 0.001 mm;Gauge-Analogue gauge display;Contact diameter-16.0 ± 0.5 mm for more visit labtron.us