The major purpose of X-ray inspections systems is ensuring a safe product delivery to the consumers and what they can detect. For example, if you are working in quality team of food production entity and you are receiving complaints about glass particles in product. When investigated you came to know, no food inspection system is being used in the industry. This scenario highlights an important reality in modern food manufacturing that contaminants can be glass or ceramic.
The X-ray food inspection systems have the ability of detecting a wide range of contamination beyond metals. The contaminations can be glass fragments, ceramic particles, stoners, minerals, some high density plastics and rubber components.
Contaminant Type | Detectability |
Ferrous Metals | Excellent |
Non-Ferrous Metals | Excellent |
Stainless Steel | Excellent |
Glass | Excellent |
Stone | Excellent |
Bone Fragments | Excellent |
Ceramic Materials | Excellent |
Dense Rubber | Good |
Dense Plastics | Good |
Wood | Limited |
Contamination X-ray Inspection Systems can Detect
These type of food inspection systems are suitable for the industries where contamination risk is diverse or multiple products are manufactured. The X-ray detectors in food inspection systems are superior because they detect what food metal detectors can miss.
The detection ability of the x-ray food inspection systems is highly dependent on the difference of density between surrounding product and foreign particles or contaminants. X-ray food inspection systems provide a significant advantage over traditional food inspections systems.
In addition to this, X-ray inspection systems have the ability to penetrate through the packaging designs and are ideal for products with foil or films. For many food manufacturing organisations, X-ray detection system has become one of the most powerful tool available for food safety, protecting brand reputation and maintaining regulatory compliance.
In this article, we will understand how X-ray food inspection systems work, what they detect and why they are becoming valuable across the food industry.
The contaminants in any form are a serious concern as foreign materials can be in any form and have the ability of entering the products through raw materials, processing, packaging operations and human handling. Some contamination risks are shown in figure 1.

Contamination Risks In Food Production System
The increasing demand of food safety across the globe and the growing expectations from consumers require manufacturers to identify broader range of contamination risks.
X-ray systems can use low-energy X-rays for inspection of products. The working principle is pretty simple, as products pass through the inspection area, X-rays penetrate the food and create an image based on density differences.
As denser materials appear differently on the inspection image. This helps the detection of contaminants.

Working of X-ray Inspection System
The modern X-ray inspection systems can do more than just creating images. Algorithms continuously evaluate product shape, density, characteristics of foreign objects and product consistency. In milliseconds, system decides whether product should pass the inspection or should be rejected. When contamination is detected the automatic rejection systems activates and remove the product contamination from production line. This occurs without interrupting the production.
One of the most valuable feature of X-ray inspection system is its ability to perform additional quality checks such as measuring the mass of product, identification of missing or broken parts, and ensuring integrity of seals and packaging, which metal detectors cannot do. X-ray detection system can inspect overall product simultaneously.
For example, imagine a multi-pack snack box that contain six bars but has only five bars at the moment, X-ray inspection system can identify the missing item automatically.
This helps in counting of product in boxes prior to dispatch. For the products such as, yogurt, sauces or flour, X-ray inspection system can ensure proper filling level.
While metal detectors remain highly effective in food industries and are cost efficient for metallic detection, X-ray systems offer a wider range of inspection abilities. If you are a manufacturer and wonder whether you should choose X-ray inspection system or metal detections systems for food industries.
The answer is entirely dependent on the specific needs. The table below summarizes the difference between traditional metal detectors and X-ray Inspections systems to help you in decision-making.
Feature | Metal Detector | X-ray Inspection |
Metal Detection | Excellent | Excellent |
Glass Detection | No | Yes |
Stone Detection | No | Yes |
Bone Detection | No | Yes |
Product Count Verification | No | Yes |
Fill Level Inspection | No | Yes |
Package Inspection | Limited | Excellent |
Quality Control Functions | Limited | Extensive |
Metal Detector Vs X-ray Detection
Several manufacturers use both technologies as a part of a comprehensive food safety strategy and for the compliance with.
·HACCP programs
·BRCGS standards
·SQF requirements
·Food safety management systems
·Customer-specific quality standards
X-ray inspection systems is used across numerous food industries but are most suitable for meat and poultry processing due to its ability of bone fragment detection, packaging verification and metal contamination control. If you are in a bakery production line, X-ray inspection system is suitable for the installation because of its ability of foreign material detection, product count verification and packaging quality assurance.
In the modern era, food safety highlights that, manufacturers must protect consumers from a wide range of foreign particles while maintaining product quality and operational efficiency.
X-Ray food inspection systems provide a significant advantage by detecting contaminants beyond metals. In addition to this, X-ray food inspection systems also perform valuable quality control functions and ensure consistent filling, product count and packaging integrity. As in the current era, food consumer's expectations are increasing along with regulatory requirements. X-ray inspection technology has emerged as a strong tool to meet the expectations and requirements.
Q: Can X-ray food inspection systems detect plastic contamination?
A: Yes. X-ray systems can detect dense plastic contaminants.
Q: Are Food X-ray inspection systems safe?
A: Yes. Food X-ray inspection systems use low levels of radiation and are designed to meet strict safety standards.
Q: Can X-ray inspection technology inspect packaged food products?
A: Yes. X-ray inspection is widely used for packaging foods and can inspect products in different packaging materials.
About Newgoer
Newgoes specializes in advanced food inspection and industrial detection solutions designed with the aim of helping manufacturers to achieve highest possible standards in product quality, efficiency and safety. From food metal detectors to X-ray inspection systems, Newgoer provides innovative high-tech solutions that support modern food processing operations across the globe.