3M EMS Near Surface Marker provides an effective way of marking underground facility lines during construction or maintenance applications. It withstands a temperature range of 4 to 122 ° F( 20 to 50 degree C). This waterproof near surface marker has a long lasting passive antenna, encased in a waterproof shell to identify underground facilities with its exact location, even in congested areas. When mapping new and legacy assets, the pre programmed unique serial number integrates with back office mapping and GIS systems.

• Provides an accurate, long-lasting method of marking underground facilities
• Offers easy marking of buried power lines
• Passive antenna encased in a water-resistant polyethylene shell
• Withstands a temperature range of -4 to 122 ° F(-20 to 50 degree C)
• Locates the exact position of the marker