Ultrasonic Cleaner Sweep Frequency

Here are the khtds series dual frequency ultrasonic cleaner they are the high end lab ultrasonic cleaners with a variable frequency of 28khz and 40khz.

Ultrasonic cleaner sweep frequency.

These are the same boards i have demonstrated in my other videos but with one additional board added. This frequency range is well suited to the vast majority of cleaning tasks. All modern ultrasonic units are characterized by the center frequency at which the unit operates effectively the average frequency of operation as well as what is called the sweep bandwidth and sweep frequency. It works best when the grime is on the surface of the item and needs a little more punch to remove it.

This sweeping controls the creation of standing waves allowing no single frequency to resonate in the tank eliminating the root cause of standing waves and tank dead spots. Ultrasonic sweep cleaning sweeps multiple ultrasonic frequencies through a single ultrasonic tank. Take note that the tank and basket size should be considered when buying an ultrasonic machine. So it is an ideal sonicator bath for both lab instruments cleaning and sonicating.

Sample prep is often accomplished with ultrasonic cleaners operating at 37 khz one of the best ultrasonic cleaners for this application is the microprocessor controlled elma s150. At the lowest end of the ultrasonic cleaner frequency range a 25 khz ultrasonic cleaner is used with larger mass items such as cleaning cast iron blocks used for injection molding massive steel cutting tools or large stainless steel plates. The bottom line to ultrasonic cleaners is those little vacuum bubbles that bash the cleaning fluid against the surfaces that need to be clean it. These sweep frequency circuits are intended to eliminate the areas of in activity between neighboring standing waves.

Most ultrasonic cleaning systems today including those manufactured by zenith manufacturing include a circuit which sweeps the output frequency to the transducers by 2 3khz. Ultrasonic cleaning is a process that uses ultrasound usually from 20 40 khz to agitate a fluid the ultrasound can be used with just water but use of a solvent appropriate for the object to be cleaned and the type of soiling present enhances the effect. Most ultrasonic cleaners operate between 35 and 45 khz. In ultrasonic cleaning sweep is defined as a purposeful deviation from the center frequency during operation as a function of time.

Then again it would be fun to try just to see if set frequency cleaner could be changed to a sweep type. A circuit that will sweep the frequency up and down th.