In the food industry, safety is an absolute priority. European regulations, quality audits and retailer requirements demand increasingly accurate controls to ensure that every product is compliant and free from contaminants.
For this reason, metal detectors and X-ray inspection systems have become an integral part of almost every production line. But how do you know which technology to choose? And above all: when is it worth integrating both?
Metal detector: when to use it
It is ideal for standard production, uniform products and high-volume lines. It costs less and requires little maintenance.
Metal detectors are based on the principle of electromagnetic induction: any metal object — ferrous, non-ferrous or stainless steel — disturbs the field and generates a signal that allows the machine to identify it.

X-ray vs metal detector: which should you choose?
X-ray inspection: advanced technology for superior control
X-ray systems are not limited to detecting metallic foreign bodies. They analyse product density and identify any anomaly. They are therefore an indispensable technology for companies that must guarantee high standards of safety and quality.
Limitations:
- Higher cost compared with metal detectors
- Trained personnel needed to operate the machines
- Require adequate space and proper maintenance
The choice of inspection system therefore depends on the type of product, packaging materials, budget and quality requirements. Those aiming for high standards or working with large-scale retail increasingly opt for integrated solutions.
