Manufacturer: Microplan   Model: Rotating Table on air bearings   Comprises two granite disks moving on a pressure/vacuum air bearing to obtain the maximum rigidity and even for changing loads for testing. The upper disk rotates round the vertical axis. This unit is supplied with a compressed air filtering/regulator unit and controlling device. Table diameter is 295mm, weight is 36kg with maximum load of 60 kg. Compressed air 4.5 BAR. Rotating axis and horizontal plate tolerance is 2µm.