When material smaller than minimum sample size is measured, the meter will deliver a higher reading in ohms/square (more resistive) than the material would read if it was equal to or larger than the minimum sample size. Thus, measuring material smaller than sample size is not ideal—but it is possible. To measure smaller-than-minimum sample sizes, users must calibrate the meter to the size and shape to be measured, and must carefully maintain the exact same xyz placement of all subsequent material inserted into the meter.