Description
The 3M 7100178427 1421-XR/ID EMS Extended Range Ball Marker provides reliable identification of buried utilities and flush-mounted facilities. Designed for precise horizontal positioning, this self leveling underground marker uses a passive antenna encased in a chemical resistant polyethylene shell to ensure long term performance without external power. The 3M underground ball marker withstands temperatures from -4 °F to 122 °F (-20 °C to 50 °C) and is suitable for marking power lines, communication lines, and other critical underground installations.
Product Features and Benefits
Self-leveling design for accurate placement
The 3M EMS Extended Range Ball Marker automatically aligns horizontally, ensuring precise identification of buried power lines and underground facilities.
Durable polyethylene shell
This polyethylene shell ball marker resists chemicals, moisture, and minerals, maintaining performance in harsh soil conditions.
Passive underground facility marker
Functions without any external power source, reducing maintenance requirements and ensuring consistent signal detection.
Temperature resistant construction
Withstands extreme conditions from -4 °F to 122 °F (-20 °C to 50 °C), making it a dependable buried power line marker in varied environments.
Product Specifications
Manufacturer Part Number | 7100178427 |
Legacy SKU | 80611628993 |
Overall Height (cm) | 10.4cm |
Color Family | Multi-color |
Marker Finding Capability | Yes |
Marker Type | Ball |
Range | 0 to 5 Linear Foot |
Frequently Asked Questions
Is the 3M 7100178427 a self-leveling underground marker?
Yes, it features a self-leveling design for accurate and consistent placement.
Does the 3M ball marker 1421-XR/ID require an external power source?
No, this passive underground facility marker operates without power.
Is the polyethylene shell ball marker resistant to chemicals?
Yes, the shell is chemical resistant and durable in soil exposure.
Can this buried power line marker operate in extreme temperatures?
Yes, it withstands -4 °F to 122 °F (-20 °C to 50 °C) temperature ranges.

Warning:
This product can expose you to materials and/or chemicals including arsenic, lead, and other materials and/or chemicals which are known to the state of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov