3M Mini-Marker (EMS)
Product overview
3M Mini-Marker EMS is a compact, low-maintenance solution for marking and locating underground utilities at depths up to 1.8 metres. This powerful underground mini marker works seamlessly with the 3M Dynatel Locator 7000 Series, enabling easy, reliable asset detection without external power sources. Its small form factor and durable design make it ideal for areas with limited installation space or where standard-sized markers aren’t practical.
3M Mini-Marker EMS – Underground Mini Marker for Long-Term Utility Identification
Built to withstand the elements, each 3M Mini-Marker EMS features a passive antenna encased in a rugged, water-resistant polyethylene shell, offering dependable location data for up to 50 years. Available in multiple utility colours and frequencies, these markers suit a wide range of applications including water, gas, power, wastewater, and telecoms. Whether you’re mapping new networks or safeguarding legacy infrastructure, 3M Mini-Markers deliver dependable performance in a lightweight, easy-to-install format.
Key Features & Benefits
- Accurate, reliable detection at depths up to 1.8 m (6 ft)
- Small, round design ideal for confined or space-limited areas
- Tough polyethylene shell resists harsh environmental conditions
- 50-year design life for long-term utility marking
- Passive marker requires no batteries or external transmitters
- Compatible with 3M Dynatel Locator 7000 Series
- Multiple frequencies for utility-specific identification
- Utility colour options: Red, Yellow, Blue, Green, Orange
- Supplied in cases of 50 for efficient bulk deployment
- Suitable for water, gas, power, telecom, and wastewater applications
3M Mini-Marker EMS – Discreet, Durable Markers for Underground Networks
From long-haul fibre installations to urban gas lines, 3M Mini-Markers EMS offer a cost-effective and compact solution for accurately marking critical underground infrastructure. Their dependable performance and simple installation make them a go-to for contractors and engineers seeking to streamline underground asset management.
Stress-free management and maintenance of underground assets requires tools you can rely on. 3M’s Electronic Marking System (EMS) is engineered to help you accurately identify and locate buried infrastructure – quickly, easily and with confidence. Choose 3M Mini Marker EMS to reduce the risk of accidental strikes and improve network safety on every job site.
For Additional Information on 3M Mini-Markers (EMS), please consult the Technical Data Table or PDF File below.
*Technical Data subject to change without notice.
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+44 (0)1744 762 929Technical Data
| Application | Burial Depth (ft) |
Burial Depth (m) |
EMS Caution Tape Finding Capability |
Marker Depth (ft, m) |
Marker Dimension (in) |
Marker Finding Capability | Marker Type |
| Gas, Water, Telephone, Wastewater, Power | 6 | 1.8, 1.83 | N/A | 6 ft (1.8 m) | 8.25 (diameter) x 1.25 (thick) | Yes | Mini-Marker, Mid Range |
| Colour | Programmable/Passive | Smallest Saleable Unit | Solution For | Transmitter Output | Units Per Case | Utility Type |
| Yellow, Blue, Orange, Green, Red | Passive | Each | Access Network: xDSL, Longhaul/Metro Loop Network: Outdoor, Wireless Network: Backhaul, Access Network: FTTX | N/A | 50.0 | Gas, Potable Water, Telephone, Wastewater, Power |
DIMENSIONS AND CLASSIFICATIONS |
| Overall Diameter (in) | Overall Diameter (cm) | Overall Height (cm) |
| 8.25 | 21 | 3.2 |
INDUSTRY SPECIFICATIONS |
| Marker Type | Detection/Read Range (m) | Type | Telephone | Power | CATV | General Purpose | Water | Wastewater | Gas |
| Mini-Marker | 1.8 | EMS | 1255 | 1256 | - | - | 1257 | 1258 | 1259 |