These easy to clean gauges are manufactured to the highest accuracy. Precision ground stainless steel Bird Film Applicators have a flat edged prismatic body making them suitable for various products applied to a flat and relatively strong substrate.

The Elcometer 3550 Bird Film Applicator has 2 gap sizes, whereas the Elcometer 3540 has 4 gap sizes per applicator.

Both versions are available in a range of film widths and can be used with the Elcometer 4330 and Elcometer 4340 Motorised Film Applicators.