ULTRASONIC INTERFEROMETER (TO MEASURE ULTRASONIC VELOCITY IN LIQUIDS) – GUPTA BRAND Posted on March 1, 2017May 2, 2017 by admin It is simple & direct device to determine the ultrasonic velocity in liquid with a high degree of accuracy. The ultrasonic interferometer consists of the following parts. 1) The high frequency generator (2MHz). 2) Measuring cell (2MHz) (LC=0.01mm)