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 Cylindrical Probes are to be used in conjunction with a resistance meter to measure point-to-point resistance, volume resistance, and resistance to ground in accordance with EN 61340-5. The probe has non-marking highly conductive pads. A cap is supplied with the probes that protects the pad when not in use. The insulating jacket and shape aid grip - insulation resistance is approximately 1 x 106 ohms.
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