Digital Portable Colorimeter

1. Built-in white plate parameters. No need to calibrate each time.
2. Double locating: illuminating locating and precise cross locating.
3. Switchable double measurement end face: large area stable end face and small area measurement for concave-convex end face.
4. New integrating sphere optical path design: eliminating the stray light of main optical path and auxiliary optical path.
5. Equipped with rechargeable-capacity Li-ion battery.
6. Hand-head structure, small and convenient