Why degassed water instead of regular clean water used in ultrasound wattmeters?
Most ultrasound standards specify water as the test media, since water approximates soft body tissues and fluids in propagation velocity and can be readily distilled, filtered, or degassed. Removal of some of the oxygenpreferably around 5 ppmis necessary for accurate measurements. Small air bubbles cause secondary reflections and attenuation of beam radiation force, which causes lower power readings. Where to get degassed water for the UPM 2000 – ultrasound wattmeter? You may order Degassed water from Netech (PN: 1204) or any other source. The following information is gathered from various public domains and is presented for general information only. What is Therapeutic Ultrasound? Therapeutic Ultrasound is a method of stimulating tissue beneath the skin’s surface using sound waves. It is a very high frequency massage that can penetrate up to 5″ below the surface of your skin. The sound waves are of a very high frequency, typically between 800,000Hz and 2,000,000Hz. The sound can not b
