Specifications Unit parameters Reading range of 0 to 999 gloss units Indication error gloss units ± 2; ± 2% Measurement spot mm2 36 × 18 Projection angle Deg. 60 Physical product (Length × width × height) mm3 130 × 40 × 80 Weight 430 grams Application: Coating of metal material and its surface gloss measurement. Measurement of the surface gloss of all kinds of metallic materials and their coatings. Description: # Palm-sized, easy to carry. # Built-in rechargeable battery pack. Sustainable use of a boot full charge for more than 24 hours.