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High performance & reliable metal detection solutions

Metal Detectors


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Anritsu's metal detectors detect metal contaminants including ferrous, stainless steel and aluminum. Anritsu's exclusive technology and expertise deliver highly accurate, reliable, easy to clean metal detection solutions.


Industry Leading Detection

Metal detectors look for fluctuations with magnetic fields when product passes through the detector head. Since the magnetic fields are affected by external sources such as floor vibration and inverters from nearby machines, a metal detector must be designed to handle these challenges. With this in mind, Anritsu's detection heads were designed to provide high sensitivity without sacrificing repeatability and reliability.


Anritsu's Unique Dual-Frequency System

Since metals respond differently to different magnetic field frequencies, it is difficult for conventional single frequency systems to detect both ferrous and non-ferrous metals. Anritsu has patented a dual-frequncy inspection system, which automatically determines the best frequencies to maximize sensitivity for both ferrous metals simultaneously. Stainless steel fragments dropped from a production equipment can be also detected.


Optimal Sensitivity achieved by HIS (High Sensitivity) Setting

HIS (High Sensitivity) setting automatically analyzes product and contaminant properties and sets detection limits precisely for optimal contaminant detection.


Smart Guide Ensures Correct Operation Checking

Metal detectors are considered a critical control point (CCP) in HACCP programs and continuous operation checking is required to meet standards. Smart Guide navigates operation check and maintenance procedures in an easy-to-understand format. When a procedure was performed incorrectly, it will not allow to proceed further, ensuring correct operation management. The time and costs for training operators can be minimized.


Product Registration Navigation

Product Registration Navigation simplifies parameter setting procedures with step-by-step illustrated instructions. You can save time and effort on reading through operation manuals or putting together training documents.


Prevent False Rejects - Auto Limit Function

This function assures stable inspection by automatically setting the optimum judgment limit based on changes in effect values of products and test pieces.


Prevent False Rejects - Auto Tracking Function

Anritsu metal detectors' auto setting function automatically determines the best evaluation timing (this timing is called phase). However, phase shift caused by product effect can trigger false rejects. Auto-tracking functions compensate phase shift by following the change of product effect, preventing false rejects.



High Sensitivity (M6-h Series) High performance model with high sensitivity and stability
Entry Model (M5 Series) Simple operation
Large Model For products in bulk flow or large bags and cartons
Free-Fall Model For pre-packaging inspection of bulk, powder and granule products
Vertical Model For products in standing position
M Series For aluminium-foil packaged products
Pharmaceutical For tablets and capsules


  • What is the role of Anritsu inspection systems?
    Delivering safety and security by quality inspection.

    There is an increasing demand worldwide that food products should be processed and delivered to the consumers through safe and assured processes. In order to assure food product quality, a series of quality inspections must be performed in food manufacturing lines including the inspection of contaminants, product integrity, and the checkweighing of packaged items. The role of quality inspection systems are to ensure these inspections and to support the quality management.

    Making invisible to visible—Anritsu quality inspection systems contribute to consumers' safety and fulfill a role appropriate to the needs of the times.
  • Where are the inspection systems used?
    Anritsu inspection systems are mainly used in food and pharmaceutical factories.
    Anritsu inspection systems are mainly used in food and pharmaceutical factories ranging from large mass production plants to small and medium size factories and family-run businesses with only a few production lines. Anritsu systems are installed for inspection or weighing processes in those lines.
  • How do the inspection systems work?
    Anritsu's major products are X-ray inspection systems, metal detectors, and checkweighers. Their working principles are similar to household appliances but these industrial inspection systems have a distinctive feature: As installed in manufacturing lines, they perform inspections at production line speeds as high as hundreds of items per minute. Furthermore, the systems identify and reject defective items automatically.

    Metal detectors create magnetic fields and measure the disturbance of the fields when metals enter. Mine detectors and airport metal detectors also work on this principle. However, industrial metal detectors differ from others in the following points:

    Automatically performs in-line inspection and rejection at production line speeds
    Capable of detecting minute metal particles as small as less than 1 mm in diameter.