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What Frequency is Used for Metal Detector Machine?

62 Read Updated:2023-12-21

Metal Detector Machine is a device used to detect whether an object contains metal foreign matter. Its frequency refers to the frequency of its electromagnetic field oscillation, usually in kilohertz (kHz). The frequency of the metal detector depends on the application needs and the target. Detect the properties of objects. Here are some aspects of metal detector frequency usage:

Metal Detector Machine
1. Low frequency (50-200 kHz):
Suitable for detection of large objects or highly conductive metals. These metals include iron, aluminum, copper, etc.
May be less sensitive to small or low conductive metals.
2. Medium frequency (200-700 kHz):
Provides a good balance in most applications and performs well on a variety of metals.
Suitable for routine metal detection in food, pharmaceutical, wood and other industries.
3. High frequency (above 700 kHz):
Suitable for high-sensitivity detection of small, thin, low-conductivity metals.
Used in industries with high requirements for small metal foreign objects, such as food and pharmaceuticals.
4. Multi-frequency or adjustable frequency:
Some advanced metal detectors have multi-frequency or adjustable frequency functions that can be adjusted according to the different properties of the objects being detected.
Provides greater flexibility and is suitable for a variety of application scenarios.
5. Depth detection and sensitivity balance:
Lower frequencies generally provide greater detection depth but may be less sensitive to small metals.
High frequencies generally provide greater sensitivity, but the depth may be relatively shallow.
6. Special applications:
In some special applications, such as security inspection, precious metal detection, etc., it may be necessary to select a frequency suitable for specific metals or special conditions.
The choice of a metal detector depends on the specific application requirements, including the size, shape, material of the object to be detected, and requirements for sensitivity and depth. When selecting a metal detector, some experiments and tests are usually required to determine the most suitable machine. .

Metal Detector Machine

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