| 摘要 |
A portable tire prep detector is used to detect prep on a tire, when the tire is on a racing vehicle, and when the racing vehicle is on a race track. In one example, the detection of prep using the portable tire prep detector involves a test that takes less than two minutes. Multiple tires can be reliably tested in this way in rapid succession, even if some of the tires tested cause large amounts of prep to be drawn into the portable tire prep detector. In one example, the portable tire prep detector is a portable gas detector involving a catalytic combustion sensor. The portable gas detector is able to detect very low concentrations of hydrocarbons in a sample gas drawn into the detector from the tire surface. If the detector reads above a predetermined threshold value, then the tire is determined to have been prepped.
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