3M™ Ball Marker 1421-XR/ID, 5 ft Range, Telephone
3M™ EMS Extended Range Ball Marker is specially designed for locating flush mounted facilities that are covered by backfill. It is affixed to the underside of non metallic lids or covers over flush mounted facilities. This self align marker offers positive identification of facilities.
Product Additional Description3M™ EMS Extended Range Ball Marker provides an effective way of marking underground facility lines. It withstands a temperature range of 4 to 122 °F ( 20 to 50 °C). This passive underground marker with a water resistant polyethylene shell does not react with any chemicals or minerals. This ball marker effectively operates without the need for any external power source.
Product Tech Data Sheet
Product FeatureSelf-leveling design for precise and horizontal positioning, Offers easy marking of buried power lines, Passive antenna encased in water-resistant polyethylene shell, Withstands a temperature range of -4 to 122 °F (-20 to 50 °C), Works without any external power source, Works without any external power source
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