Measuring unit for winding goods up to an outer diameter of 40 mm with mechanical counter. Depending on the application we offer various versions to customer specification. These measuring units consist of a solid carcass equipped with guide rollers to which the measuring device is mounted. Measuring scanning by means of measuring wheel. Calibration approval for sheathed round cables with additional inlet and outlet. If requested, also available with stainless steel-counter roller for the measuring of steel ropes.