... , phacoemulsification, ultrasonic cleaning, ultrasonic motors and so on all use of ultrasound equipment. Impedance Analyzer is characterized ... be calculated. Many manufacturers use our products to replace the Agilent 4294A, including the Institute of Acoustics, Chinese Academy of Sciences ... , Qinghua University, Panyu Dewey, which is identical to the detection of targets, but also has low cost, ...