The top plates differ in the length of their supports so that different angles are formed between the top plates and the base plate. A wedge angle constant（K）is given to each top plate. These range from the smallest angle K=0.002, K= 0.004, K= 0.007 and the largest K=0 .008, the popular constants being K=0.004 and K=0.008.
Glass Plates for Pfund Cryptometer
A range of glass plates for use with the Ascott Pfund Cryptometer
- K= 0.002 for higher opacity coatings
- K= 0.004 for dark coloured paints.
- K= 0.007 for less opaque coatings
- K=0.008 for light coloured paints
Glass Plates for Pfund Cryptometer - Ref: Glass Plates