Campbell Scientific IRS21 Road Weather User Manual
Page 14
IRS21 Lufft Intelligent Road Surface Sensor
FIGURE 3-7. Finished pour, with weights removed.
Above is the finished epoxy around the sensor. There is a dam of backer rod
that prevents epoxy from draining from around the sensor while filling the
sensor hole.
A dam of backer rod also can be used for the sensor cable fill. If there is any
banking on the road, this is an effective way to fill the saw cut and the sensor
hole to the required height.
10
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