πŸ†” Overview of RFID Utility Markers Systems

πŸ“Ά Radio Frequency (RF) Electronic Marker System (EMS) utility markers and locators embody advancement in the field of underground utility management and infrastructure maintenance.


These specialized devices are engineered to accurately locate and identify buried utilities and other features without the need for intrusive digging, thus mitigating the risk of damaging existing infrastructures during excavation or construction activities.

πŸ“– Theory of Radio Frequency RFID Electronic Marker Systems.

How do Radio Frequency RFID Electronic Marker System work?


🏷️ RF EMS utility markers and locators operate by detecting specific frequencies emitted by electronic markers or "tags" that are attached to, or placed near, underground utilities.


These markers can be programmed to emit unique frequencies that correspond to different types of utilities (e.g., gas, water, telecommunications, electricity).

Utility Locating Technology Comparison Questions and Answers

RFID Electronic Marker System Q&A.


Can find ferrous objects? No

Can find non-ferrous objects? No

Works in silty soil? Possible

Works in clayey soil? Possible

Works in organic soil? Possible

Works in sandy soil? Yes

Min frequency (KHz): 0.05

Available frequencies: ~

Max frequency (KHz): 170

Effort, training for data interpretation: Low. manufacture training, online course training recommended.

Relative cost: Medium (Price ranges are $3500-$8500, upto $9,000)

Max depth: 1.5m-3.5m

Specific Applications: For locating all six standard marker frequencies.

Specific Utilities that can be located: 

What are the Radio Frequency (RF) Electronic Marker System (EMS) utility markers that can be located with RFID utility locators?


Here is the list of the ten global standard utility marker frequencies.


French/Power (Tan) 40.0kHz
General Non-drinkable water (Purple) 66.35kHz
Cable TV Black (Orange) 77.0kHz
Gas (Yellow) 83.0kHz
Gas marker tape* 59.9kHz
Telephone/Telecoms (Orange) 101.4kHz
Sanitary (Green) 121.6kHz
Euro Power (Blue/Red) 134.0kHz
Water (Blue) 145.7kHz
Electrical Power (Red) 169.8kHz

βœ… Advantages  of RFID Technologies

RFID tags are used for subsurface utility location marking, because they are passive, so they do not require a battery or power source.


They also have a unique ID as well as a small amount of memory that can contain data such as the utility type, depth, pipe size and owner. 

🎯 Applications of RFID Utility Markers Systems

The primary applications of RF EMS utility marker locators are as follows.

πŸ—ΊοΈ Utility Mapping: Utility providers, owners use RFID to mark locations of there utility assets, Usually indicated by one-call services, onsite signs/ground-markers, maps or reporting.

πŸ”§ Infrastructure Maintenance: Regular maintenance of underground utilities requires accurate location data. RF EMS locators facilitate the identification of utility lines without the need for extensive excavation.

πŸ•— Efficiency: These locators speed up the process of utility location and identification, making infrastructure projects more efficient.

🏁 Conclusion of RFID Tag Markers Systems

RF EMS Utility Marker Locators, are involved in the management, construction, and maintenance of utility infrastructure.


They help ensure the safety and efficiency of these operations but also contribute to the cost-effectiveness of managing subsurface utilities.


With the ongoing expansion and complexity of underground infrastructure, the importance of development of these devices may continue to grow.

πŸ“šπŸŽ“ RFID Utility Locating Knowledge Quiz

🧠 Test you knowledge about RFID utility locating.
Click the link to take you to a google form quiz. πŸ‹οΈ Its free and you can get the questions and answer sent to your email. πŸ“§

https://forms.gle/88mvL8vnjg2i1fjF7

🎞️ RFID Utility Markers Systems Video Training.

What is RFID? How RFID works? RFID Explained in Detail

▢️ https://www.youtube.com/watch?v=Ukfpq71BoMo


Electronic Marker installation Principles

▢️ https://www.youtube.com/watch?v=9HmvSgBFtW0


3Mβ„’ Locating and Marking Solutions

▢️ https://www.youtube.com/watch?v=PuSUqBzMZyA

https://www.youtube.com/watch?v=46GNepsMGBU


InfraMarker by Berntsen RFID

▢️ https://www.youtube.com/watch?v=vgU6BMC3X1M


InfraMarker RFID System

▢️ https://www.youtube.com/watch?v=K2V5WRquTpA

Successful Case Studies

Completed Project case studies using RF EMS Utility Marker Locators that were successful.

RF EMS Utility Marker Utility Locators

Best Radio Frequency (RF), Electronic Marker System (EMS), utility marker Product Reviews, Comparisons and Specifications.

Other RF Marker Locators: Radiodetection RD7100 RF Marker Locator, RD7100DL-M