3M offers equipment ground monitors that provide monitoring of tool ground connections.
Features
· ANSI/ESDA S20.20 compliant.
· Alarm threshold adjustable from 1–20 ohm.
· Each ground connection is protected by individual fuse in case of incorrect wiring.
· EMI monitored on each ground.
· Output to data acquisition or facility monitoring system (depending on model).
· Logic signal output to the tool shuts tool down if ground fails (depending on model).