3M™ EMS Ball Marker
Description
3M EMS Ball Markers provide an effective way of marking underground facility and utility lines at depths up to 5 feet.
Features
- Unique self-leveling design to ensure the markers are always in an accurate position
- Passive antenna encased in chemical- and water-resistant polyethylene shell
- Frequency- and color-coded to help identify specific utility
- Operates without any external power source
- Available in passive or RFID configurations
- RFID markers can be programmed to contain GPS coordinates, installation dates, and other installation information