Contamination control mat: Correct grouding and EPA zone

Pictures and movie here enclosed shown how an antistatic contaminating control mat can be easily grounded by means of metal button and grounding cord to a main ground.

Opertator's grounding onto a dissipative contamination control mat

In the picture here enclosed is shown own the operator can be safely grounded onto a ESD decontaminating floor mat who is wearing ESD shoes.

Grounding a dissipative contamination control mat : values

In the picture here enlosed is shown the value of the Resistance to Ground RTG of the system “contamination control mat + 2.5 metal probe + ground cord” measured by a digital megaohmet