Planning the cable path
OmniTrax Product Guide Page 43
Separation distances from existing buried leaky sensor cable systems
If you are installing OmniTrax cables near an existing buried cable system (i.e., Sentrax or
Perimitrax) you must keep the OmniTrax cables a minimum of 10 m (33 ft.) from the installed
sensor cables. Otherwise, the OmniTrax RF signals can interfere with the existing buried cable
system. If you are installing an OmniTrax system near an existing OmniTrax system, there are also
minimum separation distances between cable sets (see OmniTrax cable set separation
on page
40).
Installation near drainage culverts
Cover concrete or plastic pipes that cross under the sensor cable location with a metal shield plate
or non-degrading metal foil. Treat the pipe as a metal pipe when determining separation distances.
Using a metal shield plate or foil:
• For a non-metal pipe lying parallel to the cable path, the foil should be wrapped around the
pipe for the full length of the cable path. The pipe must be at least 60 cm (24 in.) away from the
cable location.
• For a non-metal pipe carrying drain water or sprinkler lines and lying perpendicular to the
cable path, wrap the foil around the pipe such that the foil extends for at least 1 m (3.3 ft.)
beyond the cable path, on both sides.
Pipe/cable, orientation and size Minimum separation distance
Metal pipe or electrical cable up to 10 cm (4 in.)
diameter parallel to the cable path
60 cm (24 in.) from sensor cable or 60 cm (24 in.) below
the cable burial depth for pipe or cable located between
the cable pair
Metal pipe or electrical cable up to 10 cm (4 in.)
diameter perpendicular to the cable path
5 cm (2 in.) from sensor cable (above or below)
Metal pipe more than 10 cm (4 in.) diameter parallel or
perpendicular to the cable path
60 cm (24 in.) from sensor cable (above or below)
Non-metal pipe or conduit up to 10 cm (4 in.) diameter
may contain wires or running water
60 cm (24 in.) from sensor cable (above or below)
60 cm (24 in.) below the cable burial depth for pipe or
cable located between the cable pair
Non-metal pipe more than 10 cm (4 in.) diameter
containing wires or running water
1 m (3.3 ft.)
(shielding recommended)
Non-metal pipe carrying water (non-draining sprinkler
pipes) parallel to cable path
30 cm (12 in.)
Non-metal pipe carrying water (non-draining sprinkler
pipes), perpendicular to cable path
5 cm (2 in.) from sensor cable (above or below)
(shielding recommended)
Aerial pipes or wires suspended over detection field 2 m (6.5 ft.) from sensor cable
Pipes or electrical wires on the ground surface parallel
to the sensor cable path
2 m (6.5 ft.) from sensor cable
Buried leaky sensor cables that are not being used
(Sentrax, Perimitrax)
3 m (10 ft.) from sensor cable
Buried leaky sensor cables that are being used
(Sentrax, Perimitrax)
10 m (33 ft.) from sensor cable
Note Contact Senstar Customer Service for details on required separation
distances for buried cable systems from other manufacturers.
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