The corrosion-free guides of the gantry measuring machine are made of granite and hand-lapped with high precision. The guideways are completely covered and protected against dirt. The control system and PC are integrated into the machine for a minimal footprint. The space requirement is small with an excellent price-performance ratio. Wenzel shopfloor CMMs such as the SF 55 has passive vibration damping and can be optionally upgraded with active vibration isolation. For use in series measurements, the machine achieves a multiple of the usual scanning speed in comparator mode with only slightly worse repeatability values.