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Omni Marker Electronic Ball Marker

Electronic Ball Marker

The Tempo Omni Markers provide an improved method to electronically mark and locate underground facilities. Unlike other passive electronic marking devices that use just a single coil, the Omni Markers contain three orthogonal tuned circuits. When excited by any standard marker locator, these passive circuits produce a uniform, spherical RF field in every direction. Because of their unique patented design, the Omni Marker electronic cable marker offers benefits that are superior to any other electronic marking system

Easily located up to five feet away - The Omni Marker provides 25% greater range than traditional 4-inch ball markers.  It produces a wider field that is easy to find months or years later, with a signal peak directly above the marker for precise location within inches. This wider field and better range means faster and more reliable locates in any terrain.

No need to stay level when buried - Because it produces a spherical field, the Omni Marker does not require any particular orientation when buried. As a result, there's no need for the Omni Marker to be level in the ground like flat-style electronic markers. Just toss the Omni Marker in the trench or excavation and cover it up with normal backfill. Additionally, the Omni Marker’s unique shape allows it to fit easily into a standard 4 - inch trench with no extra digging. 

Lightweight, with no hazardous chemicals - The Omni Marker contains no floating or moving parts or chemicals.  This eliminates the need for material safety data sheets. Plus, the Omni Marker's durable, lightweight design keeps your shipping and storage costs low while giving you years of reliable service.  

Passive, high reliability design assures many years of service - The Omni Marker contains no batteries or active  components, and the proven high reliability design means these markers will last as long as your buried plant.  

Compatible with all marker locators- Because Omni Markers use industry standard frequencies, they will work with any electronic marker locating devices.   

Ideal for use in:

  • Buried splices and load coils
  • Buried service drops
  • Pipe ends
  • Conduit stubs
  • Road crossings
  • Cable paths
  • Fiber optic facilities
  • Manholes under pavement or grade changes
  • Snow-covered installations
  • Military caches
  • Survey points
  • Septic installations
  • Repair points
  • Non-metallic lines

Product Specification

5 feet typical (1.5 meters)

Field Type  Spherical
Size 4.5 inch diameter (11.4 cm) Max.
Weight  0.14 kg
Package Material  High-density polyethylene


Application Color Frequency Model Number Frequency Model Number
Power Red 169.8 kH  Model 160 60765
Water Blue  145.7 kHz Model 161 60766
Sanitary Green 121.6 kHz  Model 162 60767
Telephone Orange  101.4 kHz Model 163 60768
Gas Yellow 83.0 kHz  Model 164 60769
Cable TV NoN Portable Orange/Black 77.0 kHz Model 165 60770
Water Purple 66.35 kHz  Model 168 11050


  • Easily locatable up to five feet
  • Unique shape allows it to fit easily into a standard 4- inch trench with no extra digging
  • The spherical field produced enables the marker to be buried in any orientation
  • Lightweight, with no hazardous chemicals
  • Passive, high reliability design assures long years of service
  • Industry standard frequencies make them compatible with all marker locators
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