产品描述：
Disc Micrometers - Enamelled Frame
For measuring a displacement over a given number of gear teeth, closely spaced sections, ribs, keys and fins etc. Measurable gear pitch: 0.5-6 module. Graduation: 0.01mm (.001"). Accuracy: Parallelism: 0-50mm 4 mu m, 50-100mm (4L/50) mu m. Flatness: 1 mu m. Instrument Error: 0-50mm /-4 mu m, 50-100mm /-6 mu m. L maximum measuring length
123 Series