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Table 3 Reliability of the devices under test
From: Data accuracy on automatic traffic counting: the SMART project results
Device | MTBF (h) |
|---|---|
Inductive Loops | 5.064 |
Laser Scanner | 1.094 |
Video Image | 1.026 |
Double Technology | 946 |
Triple Technology | 549 |
WIM Piezoelectric | 531 |
WIM Quartz | 85 |