General

There are 3 main ways of testing for ultrasonic agitation within the tank.  These are the protein residue test, foil test and the Brownes soil test. The foil test involves suspending strips of [...]

The more items that you place in your cleaning bath the less efficiently it will clean.  It is not advised to overlap items.  Always allow plenty of clear space between the items.

When a Cavitation bubble implodes enormous amounts of energy is released into the cleaning solution. Walker Electronics limited have designed their ultrasonic cleaners to take full advantage of [...]

Another commonly asked question with no definitive answer! It will depend on the type of contamination, the quantity, the temperature of the cleaning fluid, how many items are in the unit, the [...]

When cleaning medical and dental instruments it is good practice to change the fluid twice a day – 1st thing in the morning and then at lunchtime. The NDAC (National Dental Advisory [...]

The contamination ‘sticks’ to the surface of an item. This adhesion needs to be broken. Water alone has no cleaning properties and is not sufficient to break down the bond. The most [...]

With thousand of microscopic implosions every second you would have thought so. Ultrasonic cleaning is a very powerful way of removing contaminates from surfaces, however, the Cavitation is [...]

Degassing is the removal of gases present in the cleaning solution. Mains water contains a surprising large amount of air. It is essential to remove this air before effective cleaning can take [...]

The range of the human ear (depending on age) is about 16 Hertz to 16 kilo Hertz, Middle C is 216 Hertz, a grasshopper call around 7 kilo Hertz and a bat signal about 70 kilo Hertz.  Beyond human [...]