Variants
Buried power lines up to a depth of 1.5 metres can be marked very easily with 3M ball markers. Ball markers have a unique self-levelling feature that ensures the marker is always aligned with the surface so that accurate location can be achieved. Passive sphere markers provide accurate identification of buried power lines, reducing the risk of accidentally exposing other buried facilities. All markers can be operated without an external power source. Their water-resistant polythene housings are impervious to minerals, chemicals and the extreme temperatures normally found underground. Locates new frequency for power lines in Europe.
- Localisation range 1.5 m
- Self-levelling design for precise and horizontal positioning
- For easy marking of concealed power lines
- Diameter 101.6 mm
- Passive antenna in red water-repellent polyethylene housing
- Withstands temperatures in the range from -20° to 50° C
- Operation without external power source possible.
- New frequency for EU 134 kHz
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