Traffic is collected with portable sensors that are attached to the road and record traffic data typically for 2 - 14 days.

If they had portable sensors, as she figured, they would probably go after three life-forms instead of one.

Having a small, portable sensor could help in emergency situations for first responders and others where there may be respiratory concerns.

He watched while portable sensors and repairs began restoring the big screen's overview of the Redoubt's operation.

The Arvanian squatting before the portable sensor looked up and nodded.

Have the station people use portable sensors to test calibration of the reaction emitters.

As for local coverage, the base station also interfaced with the portable multispectral sensors worn by the team.

They had brought only their own portable sensors, nothing like the equipment the subcommander had been trying to set up for more than half an hour.

But except for the physician, they all had their portable sensors out, scanning-upward?

"Send some volunteers out with portable sensors, then," Lewis said.