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You should regularly check your ultrasonic cleaner’s performance from the very beginning of your ultrasonic cleaner’s life. It can help you set the right benchmarks and determine the highest performance. Maintaining the performance of your ultrasonic cleaner requires regular checks, just as in the case of a new automobile purchase. A liquid cleaning medium is used in ultrasonic cleaners to expose load items to high-frequency waves. 

During cavitation, tiny bubbles quickly form and collapse, causing the liquid to be penetrated and causing the cleaning action. The selection of suitable test loads and test soils should be carefully considered when validating the cleaning process. A method is specifically designed to evaluate cleaning effectiveness during this process, and there are good reasons to do so. You can make your cleaning process better with In Situ Particle Monitoring.

What are In Situ Particle Monitors?

A portable in-situ particle monitor (ISPM) can be used to requalify wet process tools rapidly and cost-effectively following chemical changes. An application of this type involves moving a particle counter from one sample location to another using a cart. The liquid medium of your ultrasonic cleaner needs to be sampled in order to use ISPM. Samples must be taken upstream from the filter and filtration loop. It is advisable to sample while components are being cleaned. 

Having obtained a sample of the cleaning medium, it is necessary to verify the size and amount of contaminants. After passing the liquid through a filtration medium, a simple visual inspection reveals normal particle sizes. To ensure consistency, you should always use a light-coloured or white filtration medium for contrast and make sure that the contaminants are evenly spread out. Microscopy or other validation methods can be used to count particles with smaller sizes.

Tips to Set Ultrasonic Cleaner Performance Benchmark

Foil Testing – This is a widely accepted method of benchmarking ultrasonic cleaner performance. It is simple and very effective and should be conducted as soon as the unit is installed. This provides a baseline that allows you to monitor performance on an ongoing basis.

Ceramic Testing – Graphite is also used on ceramic disks as a testing method. Other types of graphite powder can also be used, including pencils. To perform this test, place the disk in the cleaner to see if it comes out clean. However, this method does have some drawbacks. Employing it only tests a small portion of the tank. According to experts, the foil test is preferred over the graphite on the ceramic test.

Cavitation Meters – They provide the most appropriate results. Your cleaner’s sound wave performance can be measured using this portable device. You should check the performance of your ultrasonic cleaner regularly using any of the above testing methods. Ultrasonic cleaners must be tested properly to ensure they perform at their best.

The bottom line is that ISPM is not the most precise validation method after cleaning. Still, it does provide ultrasonic operators with information that is impossible to obtain after the cleaning cycle ends.

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Also Read:

Beginners Guide To Ultrasonic Cleaning