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26 78-8130-6741-6 Rev G
15. Locator Specifications: 1420E-iD
Item Specification
Frequencies / Markers Telephone, Power, Gas, Water, Waste Water,
Communication (CATV), General Purpose
Maximum Writing Range
3M iD Markers:
Near-Surface
Ball Marker
Full-Range
15 cm (6 in)
30 cm (12 in)
61 cm (24 in)
Maximum Read Range
3M iD Markers:
Near-Surface
Ball Marker
Full-Range
60 cm (24 in)
1.2 m (48 in) (Telephone, Gas, Waste Water,
Communications (CATV), General Purpose)
1.0 m (40 in) (Power, Water)
2.0 m (78 in)
Maximum Detection Depth
3M Passive Markers:
Near-Surface
Ball Marker
Mid-Range
Full-Range
60 cm (24 in)
1.5 m (60 in)
1.8 m (72 in)
2.4 m (96 in)
Marker Depth Accuracy +/- 15% +/- 5 cm (2 in)
Dual Marker Locate Mode Any two markers types
Weight w/batteries 1.8 kg (4 lbs)
Average Battery Life 20 hours*
Regulatory CE
Environmental Standard IP54
* Note: The battery life is measured at 73ºF / 23ºC, with 5% usage of the backlight
at normal level and audio at medium level. The ratio of Marker Read operations to
Marker Locate is assumed to be 1:1..
16. Environmental and Regulatory Specifications
Item Specification
Regulatory CE
Environmental Standard IP54
Operating Temperature -20°C to 50°C (-4°F to 122°F)
Storage Temperature -20°C to 70°C (-4°F to 158° F)