Máy đo độ rung ACO 7144, 3348D, Thiết bị đo độ rung ACO 7144, 3348D
Infrasonic Meter TYPE 7144/3348D is ultralow-frequency sound pressure level meter to measure infrasonic or aerial vibration generated by explosive eruption of volcanoes.Measurement of ultralow-frequency sound pressure is possible in the range 2Pa~632Pa and 0.1~100Hz.
Thông số kỹ thuật
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