3M™ Dynatel™ Electronic Marker System (EMS) Marker Locators 1420 series is microprocessor-based systems that quickly and efficiently locate underground markers—years after construction or maintenance.
• Locate, read and write to 3M iD markers
• Pinpoint the depth and location of all existing models of properly installed underground passive EMS markers
• Conduct direct depth reading of markers
• Locate two different marker frequencies simultaneously