What are the two types of metal detectors used in the food industry?

Types of metal detectors used in the food industry

contamination by metals is a serious concern, and effective metal detection systems are crucial to ensure product safety. There are two main types of metal detectors commonly used in the food industry: gravity-fed metal detectors and conveyor metal detectors. Each type is suitable for different stages of food processing, based on the specific requirements of the food product, processing speed, and risk of contamination.

1. Gravity-fed metal detectors

Gravity-fed metal detectors are typically used to inspect bulk or powder products that fall under their own weight. These detectors are commonly used in applications where the product is poured or falls through the opening of the detector, allowing it to be monitored for contaminants. The detector typically detects ferrous, non-ferrous, and stainless steel metals.

What are the two types of metal detectors used in the food industry?

Applications:

Bulk powders and granules

Pet food

Spices

Cereals

Processed foods such as flour or sugar

Gravity-fed metal detectors are often found in industries that handle bulk materials or products that do not need to be transported on a conveyor. Since these detectors rely on gravity to move products through the detector, they are better suited for products that do not require high-speed inspection.

gravity-fed metal detection solutions

Techik offers highly efficient gravity-fed metal detectors that integrate advanced technologies to detect a wide range of metallic contaminants. Techik's gravity-fed models provide high precision in detecting contaminants such as ferrous, non-ferrous, and stainless steel, even in bulk products.These systems are specially designed to meet industry standards for food safety and hygiene, and come equipped with features that allow for easy integration into existing production lines. They offer high sensitivity and can detect small metal particles, ensuring compliance with regulatory requirements and maintaining product quality.

2. Handheld metal detectors

Handheld metal detectors are the most common type of metal detection systems in the food industry. These detectors are designed to inspect food products that move along a conveyor belt, making them suitable for a wide range of packaged and processed foods. The product moves through the detection system while being monitored by highly sensitive electromagnetic coils. When metal contaminants are detected, the system automatically rejects the contaminated product through a rejection mechanism.

Applications

Packaged foods (snacks, frozen foods, ready meals, etc.)

Meat and poultry products

Confectionery

Beverages

Bakery products

Handheld metal detectors are often more versatile than gravity-fed systems, as they can handle bulk and packaged food products at varying speeds. They are highly efficient in high-speed production lines, ensuring that products are inspected for metal contaminants without slowing down the process.

metal detection solutions with conveyor belts

conveyor belt metal detectors offer excellent sensitivity and speed, designed for use in high-output production environments. Their metal detection systems are equipped with multispectral detection to identify contaminants across a wide range of metal types, including ferrous, non-ferrous, and stainless steel. conveyor belt models ensure high accuracy in detecting even the smallest metal fragments. These detectors are ideal for ensuring that packaged foods, such as meat, snacks, or beverages, are free from harmful metal contaminants.

The MD-Pro series metal detectors, for example, are designed for integration into transport systems, offering high detection performance in fast-paced environments. These systems are equipped with advanced features such as automatic calibration and user-friendly interfaces, making it easier for operators to adjust settings and ensuring that the system is always operating at maximum efficiency. Furthermore, detectors can be integrated into sorting and rejection systems that automatically remove contaminated products, ensuring that only safe food reaches the consumer.

Main features of metal detectors

High sensitivity: metal detectors are designed to detect even the smallest metal contaminants, ensuring product safety and compliance with industry standards.

Versatility: gravity-fed and conveyor-fed solutions that can be customized for various food products and production line requirements.

Automatic calibration and self-test: Techik metal detectors feature automatic calibration and self-test to ensure they are always operating at maximum efficiency, reducing downtime and maintenance costs.

Compliance with HACCP: Techik systems help food manufacturers comply with food safety regulations, such as HACCP, ensuring they meet the stringent industry standards for contamination control.

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