Solution: Application of a highly conductive conveyor belt
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Conveyor Type GL-HM 010 with special belt (highly conductive). The surface resistance of the belt is 185 Ohm and it also has an ATEX certificate according to category 2, KEMA 05ATEX2164 U (for comparison: a "normal" PU or PVC belt has a surface resistance of approx. 1 x 10 to the power of 15, EN-ISO 284 defines a value of maximum 3 x 10 to the power of 8 as antistatic).
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The conveyor frame and the carriages have an electrically conductive interconnection and are additionally earthed
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The conveyor is equipped with special, electrically conductive rolls at the carriage