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3M™ Near-Surface Markers are an accurate, low-maintenance solution for marking and locating underground utility lines. These compact underground utility markers work seamlessly with the 3M Dynatel Locator 7000 Series to offer consistent and precise asset location, even in densely congested areas. A cylindrical shape and waterproof casing makes it easy to install these markers near the surface – ideal for asphalt or concrete environments without requiring extensive excavation.
3M Near-Surface Marker – Underground Utility Marker for Accurate Asset Identification
This underground marker allows fast and reliable identification of underground assets during construction and maintenance work. With a passive or programmable antenna sealed in a rugged, water-resistant polyethylene shell, 3M Near-Surface Markers deliver exact location data even in harsh outdoor conditions. Available in multiple utility frequencies, they’re perfect for mapping water, power, wastewater and telecommunications infrastructure. Whether you’re marking new networks or legacy systems, each marker features a unique serial number for integration with GIS and mapping platforms.
Accurate and reliable underground utility marking
Cylindrical shape for near-surface installation in asphalt or concrete
Durable, water-resistant shell for long-term field use
Passive or programmable antenna for flexible utility identification
Unique serial numbers integrate with GIS and asset management systems
Compatible with 3M Dynatel Locator 7000 Series
Multiple depths: 2 ft (0.6 m) and 3 ft (0.9 m) options
Suitable for power, wastewater, water, and telecom applications
Withstands temperatures from -20°C to 50°C (-4°F to 122°F)
Supplied in cases of 50 for efficient deployment
Whether you’re working on metro loops, long-haul networks or local access systems, 3M Near-Surface Markers deliver a robust and easy-to-use solution for locating buried assets. Their rugged construction and maintenance-free design ensure long-term performance across utility sectors.
Stress-free management and maintenance of underground assets requires tools you can depend on. 3M’s integrated locating and marking solutions are engineered to help bring you peace of mind as you take on your toughest challenges. Save time and money by quickly pinpointing the location of buried assets with 3M™ Point and Path Markers and our Electronic Marking System (EMS) technology. Designed to be placed in various ranges of burial depths, our markers protect your critical assets wherever they are.
For Additional Information on 3M Near-Surface Markers (EMS, iD), please consult the Technical Data Table or PDF File below.
*Technical Data subject to change without notice.
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| Application | Burial Depth (ft) |
|---|---|
| ApplicationPower, Wastewater, Water | Burial Depth (ft)0.6, 2, 3 |
| Programmable/Passive | Smallest Saleable Unit |
| Programmable/PassiveProgrammable, Passive | Smallest Saleable UnitEach |
| DIMENSIONS AND CLASSIFICATIONS | |
| Overall Diameter (in) | Overall Diameter (cm, mm) |
| Overall Diameter (in)3, 5.029 | Overall Diameter (cm, mm)1.98 cm, 7.6 cm, 7.6 mm |
| INDUSTRY SPECIFICATIONS | |
| Marker Type | Detection/Read Range (m) |
| Marker TypeNear-Surface | Detection/Read Range (m)0.6 |
