| An essential part of a comprehensive contamination | | | | Depending on the specific purpose, different types of |
| control program, food metal detectors are primarily | | | | metal detectors are available for checking metallic |
| used in food and pharmaceutical industries to detect | | | | contamination in the food industry. For examining small |
| metal contamination in packets or products. With the | | | | and unpacked goods such as vegetables, snack items, |
| highest accuracy and reliability, a food metal detector | | | | frozen foods, sea foods and poultry, conveyor type |
| has the ability to detect all types of metals - whether it | | | | metal detectors are most suitable. Metal detectors |
| is ferrous, non-ferrous, or stainless steel. It plays a | | | | with advanced microprocessor-based technology are |
| prominent role in ensuring product safety, equipment | | | | highly advantageous for checking coarse-grained food |
| protection and regulatory compliance in the food | | | | stuffs such as popcorn, cornflakes and soup noodles. |
| industry. Furthermore, it is vital to enhance the | | | | Also available are pipeline metal detectors with |
| reputation of a firm. | | | | hygienic stainless steel construction, ideal in pumped |
| The working of food metal detectors is quite simple. | | | | applications such as baby food and sausage meat. |
| The appliance consists of a balanced, three-coil | | | | Similarly, bakery industries employ metal detectors |
| system, wound on a non-metallic frame. The center | | | | coupled with high frequency, crystal-controlled |
| coil is attached to a high-frequency radio transmitter, | | | | oscillators. In certain cases, food items such as cheese, |
| and the other coils serve as receivers. When anything | | | | jam and pickles generate a signal in the metal detector |
| metallic passes through the coils of a metal detector, | | | | although metal is not found in them. This is known as |
| the high frequency field is disturbed, thereby enabling | | | | product effect. For such applications, pinpoint metal |
| easy detection of metal particles. However, the ease | | | | detectors with analog technology and modular |
| of detection is based on factors such as magnetic | | | | electronics are the perfect choice. |
| permeability and electrical conductivity of metals. | | | | It is important to note that all food metal detectors |
| Nowadays, many of the sophisticated types of food | | | | cannot guarantee a metal-free food product. But a |
| metal detectors come attached with automatic reject | | | | properly designed, installed and well-maintained unit, |
| mechanism, to reject products on immediate detection | | | | combined with an effective metal contamination |
| of metal contamination. | | | | control program, can best serve the purpose. |