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Want to buy a color sorter, but not sure how to choose the right one? This article is your solution for industrial processing or to improve your business. We’ll share how to choose a suitable color sorter for your needs. 

Color sorters are also called sorting machines or optical sorters. To choose a suitable sorting machine, you should first know your requirements. Then, select the technical indicators, type of color sorters, and technologies used. You should also choose a trustworthy supplier to order your color sorters.

You will get a complete guide on choosing a color sorter in this post. Let’s get rolling! 

Why Do You Need to Choose A Suitable Color Sorter?

Color sorters are for material processing like agricultural, mining, diamond, recycling, or industrial. Different industries have different parameters requirements. That is why you need to choose a suitable and versatile one based on your needs. 

Getting a suitable color sorter can save you time, money, effort, and hassles. With proper research, you’ll be able to start using immediately after the arrival of goods. It can prevent wasting resources to replace or amend these sorting machines. 

Besides, a good color sorter help produce quality end products. You can tell by its efficiency and accuracy in sorting. It should be able to sort large quantities with high precision in a short time. You’ll save more costs and time as they help separate the impurities or detects without manual labor. They can even help you grade your materials!

Not only that, you’ll get a more efficient operation and easy maintenance. The suitable color sorter can sort as you want to keep your works easy. Some companies even provide remote guidance on operation and maintenance.

Steps to Choose A Right Color Sorter 

Before buying a color sorter, you should know how to choose the right color sorters. 

Step 1: Know Your Needs

First, you should know the types and physical properties of materials you want to sort. Are they grains, rice, seeds, tea leaves, seafood, or plastic pellets? 

From there, you’ll know whether to sort by color, size, shape, type, density, or shell material. You can then choose the color sorters based on your application.

It is also vital to know the processing capacity you need per day. Are you going for large-scale production? If yes, then you’ll need a more advanced and pricier machine. Otherwise, you can opt for a simpler and more affordable machine if you’re starting up. 

Besides, how big is the space available to place your sorting machine? It isn’t nice to receive a machine you don’t have enough space for. 

So, make sure you measure the space needed to install a color sorter. This article shares the site and environment requirements to install a color sorter

Step 2: Decide the Color Sorters Required

The next step is to define the color sorters you need. There are a few factors to consider. 

You should choose according to your required output. After knowing your production capacity requirements, you can look at the technical indicators.  

What is the processing capacity it can make per day? Do they have adequate selection accuracy to remove a high ratio of impurities? What about the carryover ratio to ensure quality end products?

Besides, you’ll also need to choose the type of color sorters. The belt-type machine ensures smooth and stable processing. They are useful for fragile materials and are more expensive in general.

The chute-type sorting machine is very widespread in the food industry. These machines sort with high capacity, low price, and can sort tiny particles. It is a good choice for many unless specific materials to sort.

You should also keep an eye on the technologies used on these color sorters. There are various types of sorting technologies in the market. It is crucial that you find a suitable one according to your sorting need and budget.

Some of the most efficient and reasonably priced machines use the CCD and InGaAs. CCD color sorters can make accurate sortings to detect color, shape, and size. It has customizable parameters with high image quality and low noise.

InGaAs color sorters have all functions that CCD sorters contain. It sorts materials of up to 2,500nm wavelength using an infrared camera. It makes precise detection with better visibility and can sort the same-colored impurities. 

Sometimes, you might need to customize a unique machine to cater to your needs. You need to communicate with the suppliers and see if they can make it.

Step 3: Choose a Reliable Supplier

After knowing the type of color sorters you need, you’ll need to choose a reliable supplier. 

You can choose from the mechanical workmanship and their choice of accessories. The purpose is to check for the better quality of machines and more stable operation. In this case, ask what brand they use for the core processor and accessories like LED beads.

It is also vital to compare the cost and quality. You can ask for certifications and past testimonials to know their quality standard. 

Don’t only go for the lowest price, as it could mean lower-range machines. You should choose the middle and upper-range machines for better longevity. 

Besides, technical supports and services are essential too. A trustworthy supplier should provide after-sales service in case of problems after buying. You have to know the technical support available, especially during the pandemic.

Having a machine damaged within a year without replacement is a terrible experience. That is why you need to check the warranty period and terms they provide. Most suppliers offer good warranties as proof of their confidence in the product. 

There are also some details you need to take note of. For instance, a color sorter with good sealing can lower your maintenance costs. It can also increase production efficiency in sortings. You can also choose an automatic dust extraction device to remove dust right away.  

Why Choose SG Sorters? 

SG is the top two color sorter manufacturers in China. Over 100 global clients have trusted us with our quality sorting machines since 2001. All our equipment is also CE, and CSA approved to supply to over 26 countries. 

In SG, we have 20 years of experience in research and development and manufacturing. We customize all types of color sorters based on our customers’ requirements. Our expert team continuously analyzes, installs, and upgrades our machines. 

You’ll get a wide variety of sorting machines with high accuracy for your needs. You can use them to sort various kinds of granular particles. For instance, rice, millets, grains, seeds, coffee beans, tea leaves, plastic pellets, etc. 

The sorting machines from SG have a vast sorting range. We have more than 100 pre-installed sorting modes that you can choose from. You can sort by color, size, type, or shape, even for fragile materials. 

To give our customers peace of mind, we provide all-time free after-sales services. You can get free on-site assembly and operation training. 

But, due to COVID-19, we have to adapt to the new norm. Even so, you can still get online training and online trouble-shooting from us. 

Summary 100

Color sorters are valuable machines for processing, only if you choose the right ones. I hope this article is helpful for you in selecting the sorting machines you need. 

To learn more about color sorters, visit our ultimate guide to import color sorters. You can also talk to our customer service today to get a free quote.

Edon Zheng

Edon Zheng

Hi, I'm Edon, the co-founder of, I've been running a factory in China that makes and exports color sorters for 8 years now, and the purpose of this site is to share with you the knowledge related to color sorters from a Chinese supplier's perspective.

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