How does a Single Zone DFMD work? - Single Zone DFMD Door Frame Metal Detector FAQ | KT India
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FAQ

How does a Single Zone DFMD work?

Single Zone DFMD Door Frame Metal Detector Feb 23, 2026
Answer:
A Single Zone DFMD emits electromagnetic waves. When a person with metal objects walks through the detector, the waves interact with the metal, causing the detector to emit an alert, such as a sound or light, indicating the presence of metal.

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