ULTRASONIC INTERFEROMETER FOR LIQUIDS

Home Electronics Physics & Material Science Lab ULTRASONIC INTERFEROMETER FOR LIQUIDS
ULTRASONIC INTERFEROMETER FOR LIQUIDS
ULTRASONIC INTERFEROMETER FOR LIQUIDS
ULTRASONIC INTERFEROMETER FOR LIQUIDS

ULTRASONIC INTERFEROMETER FOR LIQUIDS

Category: Electronics

Model No:SP-F-80

The principle used in the measurement of velocity (?) is based on the accurate determination of the wavelength (?) in the medium. Ultrasonic waves of known frequency (f) are produced by a quartz crystal fixed at the bottom of the cell. These waves are reflected by a movable metallic plate kept parallel to the quartz crystal. If the separation between these two plates is exactly a whole multiple of the sound wavelength, standing waves are formed in the medium. This acoustic resonance gives rise to an electrical reaction on the generator driving the quartz crystal and the anode current of the generator becomes a maximum.

Product Description

If the distance is now increased or decreased, and the variation is exactly one-half wavelength ( ? /2), or multiple of it, anode current becomes maximum. From the knowledge of wavelength ( ? ) the velocity (v) can be obtained by the relation:  Velocity = Wavelength x Frequency

Scope of Learning:

  • To determine the velocity of ultrasonic waves in liquids

Technical Specifications:

  • High Frequency Generator
  • Single & Multi Frequency

Measuring Cell

  • Max. displacement of the reflector  : 20 mm         
  • Required Quantity of liquid              : 10 c.c.         
  • Least Count of micrometer               : 0.01mm/0.001 mm
  • SHIELDED CABLE                           :    Impedance : 50 O
  • Input Mains                                       :    220-230V AC 50Hz
  • Weight                                               :    5 Kg Approx

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