Opis
Very accurate glass rulers, made from clear glass with a 0.1 or 0.5 mm graduation. Ideal for chacking the magnification accuracy of profile projectors and microscopes, as well as the table feed accuracy of measuring wquipment.
- Graduation: 0.1 or 0.5 mm.
- Accuracy: (1.5 + 2L/1000) micrometers; L = measuring lenght in mm.
- Material: sodium glass.
- Expansion coefficient: 8.6×10^-6/celsius.
- Thickness: 5 mm.
- Width. 30 mm.
- With serial number.
- Delivery in an alluminum carrying case with a manufacturer measuring report.