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Ultrasonic Cleaners

Ultrasonic cleaning uses high frequency sound waves within a solution or solvent. These sound waves cause microscopic gas bubbles to expand to their limit and then collapse or implode causing a pressure wave.This process is called cavitation and when used together with a solution or solvent seperates the contamination from parts and instruments.

There is more information on ultrasonic cleaners below the product range.

Ultrasonic Cleaner FXP12 - capacity 5.3 litre	Ultrasonic Cleaner FXP10 - capacity 3.0 litre
Ultrasonic Cleaner FXP14 - capacity 10.7 litre	Ultrasonic Cleaner FXP20 - capacity 22.0 litre
Ultrasonic Blind Cleaners	Ultrasonic Cleaner FXP40 - capacity 60.0 litre
Ultrasonic Cleaner FXP8 - capacity 1.5 litre	Ultrasonic Cleaner FXP4 - capacity 1.0 litre
Ultrasonic Cleaner Stainless Steel Basket	Medical Equipment Cleaner
Ultrasonic Cleaner Insert Trays	Ultrasonic Cleaner Injector Racks
Ultrasonic Cleaner FXP16 - capacity 14 litre	Ultrasonic Cleaner Beaker Holder
Ultrasonic Cleaning Fluid

The operating frequency is an integral part of the ultrasonic cleaning process. A lower frequency generates a larger gaseous bubble which produces a much stronger shock wave.

At a higher frequency the microscopic bubbles will grow to a collapsible size at a more rapid rate causing many more times the number of implosions per unit time.

The temperature of the ultrasonic cleaning liquid also has a significant impact on performance levels. Maximum cavitation intensity occurs at a temperature range of between 50degC - 60degC in aqueous solutions with a decline in efficiency in temperatures above this.

Heating helps to degas as well as increase the chemical action of the liquid. A proper combination of temperature and the gaseous condition of the liquid helps to achieve the best cavitation and overall cleaning results.

Liquids also play a significant role with two broad classifications being aqueous and solvent. The type of soil to be removed determines the type of liquid. Aqueous systems are best for inorganic soils, however by adding a detergent to the liquid many light greases and oils can be removed. Solvents best serve heavy organic grease, oil or waxy soils.

The following are the 10 major factors that influence ultrasonic cleaning efficiency:

Size and shape of ultrasonic cleaning tank - depth of the liquid in the tank
Amount of dissolved soil in the liquid
Trays or basket used to contain parts
Number, size and shape of parts
The density + composition of the cleaning fluid
Type of liquid
The temperature of the liquid
The position of larger parts
The operating frequency

Our new 2011 catalogue is now available - click here to see a pdf version

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Telephone 0800 436 324
Facsimile 04 238 4316
Email sales@emech.co.nz

New Zealand, Wellington, Upper/Lower Hutt Valley, Kapiti Coast, Christchurch, Dunedin, Nelson, Invercargill, Palmerston North, Wanganui, Napier, Gisborne, Hamilton, Taupo, Rotorua, Tauranga, Auckland, Whangarei.