BIOROLES is one of the leading manufacturers of Door Frame Metal Detectors (“DFMD”) or Walk Through Metal Detectors in India (“WTMD”), Hand held Metal Detector ( “HHMD”)
Select Right Door Frame Metal Detector for your need
Door Frame Metal Detectors , Walk Through Metal Detectors
HOW Door Frame Metal Detectors WORKS
Door Frame Metal Detector is divided into multiple zones. Each zone represents a specific area of the body, typically from head to toe. Each zone consists of both transmitter and receiver coils. The transmitter emits a magnetic field, while the receiver detects any disturbances in this field caused by metallic objects. When metal is detected in one or more zones, the system activates an alarm to alert security personnel. The alarm can be visual, such as flashing lights, and/or audible, such as a sound or voice message.
Door frame metal detectors often come with adjustable sensitivity settings. This allows security personnel to customize the level of sensitivity for different environments and scenarios, reducing false alarms while still detecting potentially dangerous objects.
TYPES OF Door Frame Metal Detectors
The main difference between door frame metal detectors (DFMDs) with different numbers of zones lies in their precision and coverage area. Here are the details with the key differences:
Ø 1-Zone DFMD: Single Zone Metal detectors have only one detection zone.
Ø 3-Zone DFMD: These detectors typically have three detection zones- left, center, and right.
Ø 5-Zone DFMD: These detectors typically have 5 horizontal detection zones.
Ø 6-Zone DFMD: With six detection zones, these detectors offer enhanced precision compared to 3-zone models. They can better pinpoint the location of metal objects on a person passing through the detector.
Ø 9-Zone DFMD: A 9-zone DFMD provides more precise detection as compared to the 6-zone model.
Ø 18-Zone DFMD: These detectors typically have 6 horizontal zones and 3 vertical detection zones in each horizontal zone. They can detect and differentiate between metal objects in more precise locations on a person’s body, offering increased accuracy and reliability in security screening.
Ø 24-Zone DFMD: These detectors typically have 8 horizontal zones and 3 vertical detection zones in each horizontal zone.
Ø 33-Zone DFMD: These detectors typically have 11 horizontal zones and 3 vertical detection zones in each horizontal zone. It can detect both ferrous and Non-ferrous metals.
Door Frame Metal Detectors having 1 Zone,3 Zone and 5 Zone are basic models suitable for moderate levels of security of less sensitive locations. However, DFMD having 5 Zone, 6 Zone and 9 Zone can detect and differentiate between metal objects in more precise locations on a person’s body, offering increased accuracy and reliability in security screening.
With 18, 24 and 33 detection zones, Metal detectors can provide accurate information about the location of metal objects on an individual, offering superior security screening capabilities. They are commonly used in locations with the most stringent security requirements, such as prisons or high-profile government facilities. However, as the number of zones increases, so does the cost and physical size of the DFMD. More sophisticated models with additional detection zones require advanced technology and more complex construction, leading to higher prices.
Choosing the right walk through metal detector is about balancing your security needs with your budget. If you require high accuracy and multi-zone detection, consider investing in a higher-end model with adjustable sensitivity and advanced features. For low-risk or smaller-scale applications, a simpler model may suffice.
Conclusion:-
Metal Detectors have become indispensable tools for security screening in various environments, including airports, government buildings, schools, stadiums, entertainment venues etc.. Metal Detectors play a crucial role in enhancing security measures and preventing the unauthorized entry of weapons and dangerous items.
Bioroles provides a wide range of Metal detectors as per security needs of the locations or premises. If you have any query or would like to know more about our Door Frame Metal Detectors, please feel free to contact us.
Here are some frequently asked questions (FAQs) about door frame metal detectors-
- How does a door frame metal detector work?
The detector uses electromagnetic induction. As a person walks through the frame, any metal object they carry (e.g., keys, a gun, or a knife) disturbs the magnetic field. This disturbance is detected by sensors in the device, which then triggers an alarm to alert security personnel.
- What kinds of metals can a door frame metal detector detect?
Most door frame metal detectors can detect a wide range of metals, including:
- Ferrous metals (e.g., iron, steel)
- Non-ferrous metals (e.g., aluminium, copper, brass)
- Precious metals (e.g., gold, silver)
- Conductive metals (e.g., lead, titanium)
- Are door frame metal detectors sensitive to all metals?
While door frame metal detectors can detect most metals, they are generally more sensitive to ferrous and larger metal objects. Smaller or non-ferrous metals, such as aluminum foil or small electronics, may be harder to detect. Sensitivity can be adjusted based on the specific threat level or environment.
- Can door frame metal detectors be adjusted for sensitivity?
Yes, most modern systems allow for adjustable sensitivity settings. This helps in distinguishing between harmless metallic items (e.g., coins, belt buckles) and potential threats (e.g., weapons). Security personnel can fine-tune the detector’s sensitivity to reduce false alarms while maintaining an effective level of security.
- Are door frame metal detectors affected by environmental factors?
Yes, certain environmental factors can affect the performance of a metal detector:
- Electronic interference: Nearby electrical devices or power lines can sometimes cause false readings.
- Large metal objects: Large metal structures or machinery nearby can influence the detector’s sensitivity.
- Humidity and temperature: Extreme conditions might impact detector performance, though many models are built to withstand a variety of environmental conditions.
- What happens if the detector senses metal?
When the door frame metal detector senses metal, it typically emits an audible alarm or visual signal (such as a light flashing). The person who triggered the alarm is usually asked to step aside for further screening, which may involve a handheld metal detector or a more thorough physical search.
- How accurate are door frame metal detectors?
Modern door frame metal detectors are quite accurate, but they may occasionally produce false positives due to harmless metallic objects, such as keys or coins. They are highly effective at detecting larger items like firearms, knives, and other potential weapons, but accuracy depends on proper calibration and sensitivity settings.
- What types of settings are available on a door frame metal detector?
Most metal detectors have different settings for:
- Sensitivity levels: Adjusting sensitivity to detect larger or smaller objects.
- Zone identification: Some advanced models can pinpoint the location of the metal object (e.g., left, right, center) to help security personnel focus on specific areas.
- Alarm modes: Audible or visual alarms, or both.
- Reset and calibration: To ensure the device is functioning optimally and reducing false alarms.
- What are the advantages of using a door frame metal detector?
- Non-intrusive: It allows for fast, non-invasive screening of large numbers of people.
- Efficient: It can quickly identify potential threats without requiring individuals to empty pockets or undergo a more invasive search.
- Low maintenance: Once installed and calibrated, door frame metal detectors generally require little ongoing maintenance.
- Adaptable: Many models are portable and can be set up and moved as needed.
- Are door frame metal detectors safe for health?
Yes, door frame metal detectors are generally safe. They use low-level electromagnetic fields that do not pose any known health risks. They are designed to be safe for all individuals, including those with pacemakers or other medical devices, though it’s always a good idea to consult a doctor if you have concerns.
- Can a door frame metal detector detect items inside a person’s body (e.g., swallowed objects)?
No, a standard door frame metal detector cannot detect objects inside a person’s body. For detecting internal metallic objects, other medical imaging technologies (like X-rays or body scanners) would be required.
- Can door frame metal detectors be used outdoors?
Yes, some models are designed to be used outdoors, but they should be protected from extreme weather conditions (e.g., heavy rain, snow, or high winds). Portable or outdoor models are usually built with durable, weather-resistant materials to ensure reliability in various environments.
