These instruments are designed for the rapid determination of the planarity of ceramic tiles, measured along the diagonal.
They consist of a hard-anodized aluminum alloy bar, equipped with two pointed calibrated feet with adjustable distance, two cylindrical calibrated feet, a spherical level bubble, and a digital hundredths comparator with a precision of ±0.015 mm. They are supplied complete with a rectified rod for zero acquisition.
Various sizes are available, up to 1600 mm.
Also available in a version for bricks.