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
Xem thêm: Máy đo độ rung 3116-3116A ACO