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QUIXOTE PASSIVE PAVEMENT SENSOR DISTRIBUTED BY SURFACE SYSTEMS INC SURFACE TEMP. -60DEG F TO +176 DEG F (-52 TO 80 C) DEPTH OF SOLUTION 0.01"TO 0.50" (0.03cm TO 1.27cm) OPERATING TEMPERATURE -40DEG F TO 176DEG F (-40DEG C TO 80 DEG C) WEIGHT (WITHOUT CABLE)2.75LBS (1.25KG) MEAN TIME BETWEEN FAILURES 40,000 HOURS |