This single channel precision grind gauge is used to determine particle size and fineness of grind for many materials including paints, pigments, inks, coatings, chocolates and other similar products.
Manufactured out of hardened stainless steel each gauge is graduated in microns on the top to an accuracy of ±1μm (0.04mil). The groove width is 12mm (0.47") and the groove length is 200mm (7.87").
The High Precision Grindometer has a single groove.