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8. Intrusion Testing
Upon the successful installation of a TD100 system, testing for intrusions and adjustment of
sensitivity thresholds follows. This chapter provides information on intrusion testing only. For
WUI interaction and setting parameters that affect the systems alarm thresholds, please see the
WUI Manual.
Basic Tests
There are two standard tests that every installation should capture. These are walking and
running. As a buried line sensor is ideally hidden from the average intruder these are the
two most likely scenarios to occur.
Walk Testing:
Using a typical walking pace of roughly 5 – 6.5 kph (3 – 4 mph), cross each sensor run at a
minimum of 10 times per 100 m (328 ft) length. For sectors smaller than 100 m (328 ft), 10
crossings are still required. Begin the walk 3 m (10 ft) from the closest TX or RX sensor
line. Cross the sensor ending the test 3 m (10 ft) from the opposite sensor line. Verify an
alarm was received, ideally before crossing both sensor lines.
Walking intrusions may be done perpendicular to the sensor or at an angle. The test
intrusions should be relative to what an actual intruder might do, i.e., crossing the sensor at
an angle leading to the closest structure to the sensor line. The WUI alarm log will show the
location where the intruder enters the sensing field and exits.
Allow 30 seconds to pass between each test intrusion.
Run Testing:
Very similar to walk testing, however, the running pace should be 16 – 24 kph (10 – 15
mph) as safety, work attire, and athleticism permits. Other than the increased running pace,
all the same other criteria from walking should be followed.
Basic Testing Reference Table:
Intrusion Type
Walk Speed
Run Speed
Page 69
Walking or Running
5 – 6.5 kph (3 – 4 mph)
16 – 24 kph (10 – 15 mph)
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