Ronnie Brown

By: Ronnie Brown on July 7th, 2020

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3 Particle Size Analysis Instruments Used in the Food Industry

Particle Analysis



The food industry is arguably one of the most regulated industries in the world, as the mishandling of food products can have detrimental side effects. One of the key elements to these standards and regulations is food quality control.

To ensure a quality control level suitable for mass production of food goods is achieved, food quality control technicians must implement a reliable means of particle size analysis. 

So what equipment options are currently available to ensure food safety and quality control is handled with precision and care?

With over 140 years of particle size analysis experience, W.S. Tyler is here to ensure you implement the best solution for your particular needs.

In this article, we will discuss everything you need to know about particle size analysis in the food industry, explaining how the food industry fits into the particle size analysis industry, what instruments are used to carry out and providing insight into some of the equipment used to analyze the particle size of your material.

How Does the Food Industry Fit Into the World of Particle Size Analysis?

When talking food safety and quality control, there are several ways particle size analysis comes into play. The two main ways the size of particles in a food product are analyzed are final product sizing and initial product sizing.

So what’s the difference?

Well, initial product sizing refers to the analysis of powdered or raw ingredients at the beginning stages of production. These are the ingredients that go into things such as a curry spice blend or a cake mix.

On the other hand, final product sizing refers to the analysis of the particle making up the final production run to ensure its within a certain size range. This includes products like table salt, granola, and sugar.


How Does Particle Size Analysis Benefit the Food Industry?

Particle Size Analysis allows food manufacturers to meet the expectations of their customers by enhancing their food quality control protocols. To put this into perspective, let’s say you are a manufacturer that sells tea bags.

If a customer purchases your tea bags, they expect each cup of tea to taste the same if they steep each one for three minutes. Particle Size Analysis helps to guarantee this, by allowing you to make sure the leaves within a batch have been cut to a similar size.

The same goes for food that needs to be cooked. Particle Size Analysis helps to ensure that a food product will cook at the expected rate.


What Equipment Is Used to Aid Food Safety and Quality Control?

In the food industry, there are three particle analysis instruments that can be implemented to enhance most food quality control protocols: Sieve Shakers, Air Jet Sieves, and Dynamic Image Analysis Systems. Let’s take a look at how each instrument is implemented in the food industry. 


1. Sieve Shakers


Sieve Shakers use an oscillating motion along with a hammer tapping motion, to promote particle movement through a test sieve stack. This simple yet effective system was discovered to produce some of the most repeatable results in the industry.

This is why Shakers, such as the RO-TAP® Sieve Shaker, have been a highly consistent particle size analysis instrument for several decades. In fact, one of the greatest benefits that it brings to the table is that it can easily be traced to several industry standards

This means that all the necessary quality control paperwork is readily available during an audit. 

That being said, this particular unit can be fairly loud. When not placed into a sound enclosure, it can sometimes prove to be a disruption.

Also, there are a lot of moving parts that make up a RO-TAP Sieve Shaker that will wear over time. This means there is some maintenance required from time to time, though most maintenance can be carried out with ease.

NOTE: Because food production is such a highly regulated process, it is recommended that certified test sieves are used.

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2. Air Jet Sieve


Air Jet Sieves, such as the Alpine Air Jet Sieve e200 LS, are a unique solution that provides food quality control technicians with a complete particle size analysis experience. These units are particularly useful when working with material that often becomes agglomerated, such as flour and confectioner’s sugar. 

The Alpine Air Jet Sieve e200 LS uses a vacuum generated jet of air to slam agglomerated particles against its plexiglass lid, allowing them to separate and flow through the test sieve. This unique vacuum system makes air jets sieves the ideal solution for any operation working with lighter particles.

However, these light particles can cause a lot of build-up within the air jet sieve filters as well as the vacuum that generated the air jet. As a result, the food quality control technician must follow a regular cleaning schedule to ensure it continues to operate as it should. 

NOTE: The Alpine Air Jet Sieve e200 LS must undergo calibration annually


3. Dynamic Image Analysis


Dynamic Image Analysis Systems take the benefits listed above a step further by providing insight into the size as well as the shape of the particle being worked with. This is extremely beneficial if, let’s say, you know you want 80% of your particles to be triangular in shape, you can set up parameters to see this.  

Systems, such as the Computerized Particle Analyzer, also stand as some of the fastest particle size analysis instruments on the market. Dynamic Image Analysis Systems can run a sieve analysis, or sieve distribution, in three minutes. 

Compared to the 30-60 minute time frame associated with sieve shakers and air jet sieves, this can prove extremely beneficial to any situation. 

It should be noted that dynamic image analysis systems have yet to be reflected in industry standards. In order to ensure you are producing results that adhere to industry standards, a stack of master sieves should be use to test your material monthly.

The correlation of these results will allow you to check the accuracy of your dynamic image analysis system.


What Concerns Come With the Omission of Particle Size Analysis?

When you neglect to implement a reliable particle size analysis in your food quality control process, you run the risk of having a product that simply doesn’t meet the quality that is expected. So, for example, if you ground coffee from a manufacturer that doesn’t use particle analysis at some point in their quality control process, the taste of the coffee will be inconsistent and customers may begin to deter customers from buying your products.

The same thing goes for products that give consumers direction on how to prepare it, such as cake mix. If the manufacturer is not checking the particle sizes within the mixture, the end-user, after following the directions carefully, will end up with a cake that sinks, burns, or causes illness.

To put it simply, particle size analysis is just a good way to meet industry standards while also leaving consumers happy and satisfied.


Food Safety and Quality Control Made Easy

Standing as one of the most heavily regulated industries in the world, the food industry relies on particle analysis to ensure product quality. As a result, food quality control technicians must implement reliable tools that are best suited for their process. 

That said, there are three particle size analysis instruments used to enhance quality control:

  1. Sieve Shakers are best for those who are looking for an inexpensive solution that has been written into dozens of industry standards.
  2. Air jet sieves are ideal for those who work with agglomerated materials that are difficult to test with other particle analysis methods. 
  3. Dynamic image analysis is a great solution for those conducting multiple tests an hour with multiple technicians conducting these tests. 

Having worked in the world of particle size analysis for 140 years, W.S. Tyler has the know-how needed to ensure you implement instruments that will help you produce goods that are safe and satisfying for consumption. 

To learn how particle size analysis can enhance your quality control process, take a moment and review our Test Sieves, Sieve Shakers & Particle Analysis Equipment Product Guide.


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About Ronnie Brown

Ronnie is the Content Writer for W.S. Tyler and has four years of experience as a professional writer. He strives to expand his knowledge on all things particle analysis and woven wire mesh to leverage his exceptional writing and graphic design skills, creating a one-of-a-kind experience for customers.