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What Are The Different Metal Detection Technologies?

Before understanding Metal Detection Technologies we need to understand how the metal detectors actually work. They can work by transmitting an electromagnetic field from the search coil into the ground. Any metal objects which are present inside the electromagnetic field will get energized and can retransmit their own electromagnetic field. The search coil of the detector will receive the retransmitted field and will alert the users by creating a response for the target. The handheld metal detectors from Astrophysic Inc can easily discriminate among the various types and can be set for ignoring any type of unwanted target.

Hand-Held and Hand-Worn Metal Detectors

The Hand Held Metal Detectors are much more pervasive when compared to Hand-worn metal detectors (HWMDs) but the latter is much modern in the market of security technology. They are comparably much more different than handheld metal detectors as the standard of NIJ HHMD was not applicable. Perhaps the development of a performance standard for documentary HWMDs was needed. This also offers the stakeholders with experience in a process which is SDO-led that has contrasted with the NIJ-led processes for which they were accustomed. This makes handheld metal detectors truly unique.

These are the most commonly-used metal detector type which is not that expensive and can be found in a wide range of form factors, depending on the size of the baton to the size of the cell-phone. Various magnetic field strengths along with several time-varying frequencies of magnetic fields. The designs of the handheld metal detector will consequently affect the ability for detecting the varied range of the test objects which has been listed on the standard of NIJ HHMD. Some of the designs among these will be much better suited for detecting any type of threat compared to others. The various number of threats that the hand held metal detectors have been designed to detect is huge and the ability for detecting these threats is mainly dependent on the threat’s orientation related to the magnetic field which is generated by the detectors.

The main innovation in the HHMD and HWMD began when the spherical test objects compared to the conventional abstraction of the objects of threat were introduced. The concerns for using the nonspherical test objects for detecting the performance of the HWMD that is the ability for detecting the test objects depends on the orientation.

Walk-Through Metal Detectors

These types of metal detectors can be seen at around every checkpoint of the universe. This is the mainframe for screening the types of concealed objects of the people. This detects can find hidden objects in hidden cavities of the body and under the skin that other advanced technologies of security having 10 times more price fails to offer. The effects of nonrectilinear trajectories over an object via the portal of the Walk Through Metal Detectors was recently shown to take a toll on the detection abilities of the object. Natural motions of the human-like swaying arm, bobbing head, and others. For examining this effect for a much more rigorous test method for including the in a performance standard for WTMD documentary. This study was done to inform about the development of the test methods and selecting the test objects for performing such a standard of the documentary.

Dutco Tennant LLC can offer you a wide range of Scanners and Detectors in the Middle East, ranging from Mail & Small Parcel Scanners, Check Point Scanners, Large Baggage Scanners, Cargo & Pallet Scanners, Handheld metal detectors, Mobile Screening, Car & Truck Scanners and others. In collaboration with Astrophysics Inc, we brought to you a wide range of Metal Detection Technologies.




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