The caliper module measures the thickness (caliper) of paper and board and reports the result in micrometers (μm).

Caliper [μm] | 20–650 |
Caliper [mil] | 0.79–25.6 |
Measurement according to standards: ISO 534, TAPPI T411, JIS P8118, DIN EN 20534, SCAN.P 7:96. Related standards: APPITA P426, BS 3983, CPPA D.4