Made of perforated aluminium, the Elcometer 4900 keeps a wide range of test pieces absolutely flat (2.3μm variation over a 100mm length), including glass, plastic sheets, contrast charts etc. ideal for thicker, more substantial test pieces.

Elcometer vacuum tables are engineered to be flat and precise with little variation for “perfect” flatness.  All Elcometer standard tables, channelled and perforated vacuum tables are 5 times flatter than glass.