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3M™ Full-Range Markers are a precise, long-lasting solution for identifying deeply buried underground utilities. These durable underground full-range markers work seamlessly with the 3M Dynatel Locator 7000 Series to enable accurate, efficient detection at depths of up to 2.4 metres. Designed with a flat, disc-like profile and sealed in a water-resistant shell, each marker offers excellent performance in extreme environmental conditions. They’re perfect for applications where assets are installed well below the surface.
This underground full-range marker makes it easy to identify critical assets like power, water, gas and telecom lines during installation, maintenance, or excavation work. Available as either passive or programmable, the 3M Full-Range Marker EMS is housed in a chemically resistant polyethylene shell. This ensures long-term durability and data retention in harsh environments. Each marker can be supplied in various utility frequencies and offers a unique serial number for seamless integration with GIS and asset management systems.
Accurate and long-range underground utility detection
Flat, disc design for deep burial up to 2.4 m (8 ft)
Passive or programmable options to suit your data needs
Durable, weather- and chemical-resistant polyethylene casing
Compatible with the 3M Dynatel Locator 7000 Series
Integrates with GIS platforms via unique serial numbers (iD version)
Ideal for utilities such as water, gas, wastewater, power, and telecom
Supplied in cases of 25 for bulk deployment
Operates in extreme underground temperatures
Colour-coded to APWA standards for clear utility identification
From access networks and metro loops to backhaul and long-haul systems, 3M Full-Range Markers (EMS, iD) deliver robust, dependable performance where accuracy and depth are critical. Their maintenance-free design, long detection range, and compatibility with EMS systems make them a cost-effective choice for any utility project requiring precise, deep asset location.
Effective underground asset management starts with tools you can trust. 3M’s locating and marking solutions – including Mini, Near-Surface, and Full-Range Markers – help professionals avoid costly errors and improve long-term infrastructure reliability. Backed by proven EMS technology, these markers make it easier than ever to track and protect your buried infrastructure.
For Additional Information, 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) |
|---|---|
| ApplicationWastewater, Water, Gas, Telephone | Burial Depth (ft)8 |
| Colour | Programmable/Passive |
| ColourGreen, Blue, Yellow, Orange | Programmable/PassivePassive, Programmable |
| DIMENSIONS AND CLASSIFICATIONS | |
| Overall Diameter (in) | Overall Diameter (cm) |
| Overall Diameter (in)15 | Overall Diameter (cm)38.1 |
| INDUSTRY SPECIFICATIONS | |
| Marker Type | Detection/Read Range (m) |
| Marker TypeFull-Range Marker | Detection/Read Range (m)2.4 |
