ESD protected area products should be tested:
1. Prior to installation to qualify product for listing in user's ESD control plan.
2. During initial installation.
3. For periodic checks of installed products as part of IEC 61340-5-1 Edition 1 2007-08 clause 5.2.3 Compliance verification plan.
As ESD floor and working surface matting get dirty which can increase their resistance. It is therefore recommended to check ESD surfaces regularly using a resistance checker.
The Vermason Surface Resistance Checker is a portable battery powered tester fitted with built in parallel electrodes that allows a quick test of material surface resistivity. Two 4mm plug sockets and an electrode selection switch allow the connection of external 2.27 kilogram electrodes measure surface resistance point to point (Rp-p) or resistance to protective earth ground (Rg). Watch our video to see how to use the Vermason Surface Resistance Checker.
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