A Base Clearance Tester is a device used to gauge how far a bottle or jar's base extends from the surface it is resting on. In order to make sure that containers are correctly formed and adhere to industry standards for quality control, this measurement—also known as "base clearance" or "skirt height"—is required.

The base clearance tester typically consists of a measuring arm, gauge, or indicator that is pressed up against the base of the container, and a digital readout, indicator, or readout that shows the measurement. The tester can be used manually by an operator or automatically as part of a production line.

In order to measure the base clearance of containers before they are filled with products, the base clearance tester is frequently used in the bottling, packaging, and canning industries. The stability of the container and the ability to properly seal the container can both be impact