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Weld Field Immune sensors are used in MIG welding areas where conventional sensors can flicker and produce false outputs. These sensors are reliable for use in robotic MIG welding areas, spot welding areas, and other assembly areas with high magnetic noise. These sensors have an Extended Range, the cylindrical sensors with a Polytetrafluoroethylene (PTFE) Coating and a thick housing with wrench flats for everyday use in welding areas. For more difficult areas with harsh environments, try MetalHead WFI sensors, or TitanProx sensors made of 1-piece of Titanium.