... probe technology, the circuit is highly integrated and digitized.The instrument has a detection capability, good linearity, high accuracy, good ... as: metals, ceramics, plastics, nylon, glass and so on. The instrument is suitable for petrochemical industry (oil fields, refineries, chemical ... ;5) Velocity Range: 100m / s ~ 9990m / s;6) Zero calibration block: 5.0mm7) Power consumption: 0.3W;8) Auto off ...