WTMDs typically have multiple detection zones and these, along with appropriate indicators, can be used to assist in locating the object hidden on a person. WTMDs are typically fixed in location although some models are available for transient deployment. Hand-worn metal detectors typically do not have the detection sensitivity of HHMDs but, because they are worn, do not constrain the officer’s use of both hands during a search operation and often help direct a more detailed palpatory search. Some HHMDs have adjustable sensitivity that can be tuned to a level where large dental fillings can be detected. HHMDs come in many shapes and sizes, from cylindrically-shaped batons to palm-sized cell phones. Other types of metal detectors deployed in security applications include hand-worn metal detectors, that are donned similarly to gloves or strapped to the palm, and ground search devices, similar in operation to treasure-seeking metal detectors but designed specifically to find items related to threat objects. Hand-held metal detectors (HHMDs) and walk-through metal detectors (WTMDs) are common at almost all security checkpoints worldwide. ![]() Metal detection is the most commonly-used technology for finding metallic threats concealed on people.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |