8 Zone Waterproof Door Frame Metal Detector for Schools
An 8-zone gate that extends to 12 or 18 zones by splitting left, right and middle detection, with 255 sensitivity levels per zone and a preset for metal size, weight, volume and location so coins, keys and belts are excluded. Four hours of battery backup preserves the parameters through a power cut, and the PVC body with the control unit mounted on top is built for outdoor use.

Key benefits
- 8 zones extending to 12 or 18 by splitting left, right and middle detection
- 255 sensitivity levels per zone with high, middle and low patterns
- Preset by metal size, weight, volume and location to exclude coins, keys and belts
- 4 hours of battery backup preserving parameters through a power cut
- PVC body with top-mounted control unit, waterproof and moisture proof
Problems it solves
- Coins, keys and belts trigger constant false alarms in a school
- A power cut wipes the gate's configuration
- Weather damages gates installed at an outdoor school entrance
- A fixed zone count cannot grow with the site's requirement
Who it is for
- Schools introducing entrance screening
- Sites that need the zone count to grow later
- Operators who lose settings every time the power fails
Application scenarios
- School entrances screening for weapons
- Campus buildings during and after school hours
- Outdoor entrances exposed to weather
- Sites with unreliable mains power
Technical features
- Digital signal processing replacing traditional analogue control
- 1 to 25 s alarm time, 255 volume settings and 12 tones
- LED bar graph on left and right door frames showing item layout
- Interactive transmitting and receiving with a 4 kHz to 8 kHz frequency range
- 6 preset programs for application versatility
- Passing speed adjustable up to 100 persons per minute
- Background light 0 to 99 seconds
Specifications
| Detection Zones | 8, extendable to 12 or 18 |
|---|---|
| Sensitivity per Zone | 255 levels, with high, middle and low patterns |
| Alarm Time | 1 to 25 seconds |
| Alarm Volume | 255 settings |
| Alarm Tones | 12 |
| Frequency Range | 4 kHz to 8 kHz |
| Preset Programs | 6 |
| Battery Backup | 4 hours, uninterruptible, preserving parameters |
| Passing Speed | up to 100 persons per minute |
| Background Light | 0 to 99 seconds |
| Construction | PVC with top-mounted control unit, waterproof and moisture proof |
| Access | Authorised operators only |
Figures are those published by the factory for this model. Where a value is shown as TBC it is not published, and we will confirm it with the factory before you order rather than estimate it.
Quality control
- Integrated and modularised circuit design for simple installation and easier after-sales service
Customisation options
- Zone count extended from 8 to 12 or 18
- 6 preset programs selectable for the application
- Metal size, weight, volume and location preset to exclude everyday items
Compared with other models in the range
The VW-Wide 6-zone gate offers an extra-wide 1000 mm channel for accessibility. This 8-zone gate is the one that extends to 12 or 18 zones later, and it carries 4 hours of battery backup, which the wide gate does not state.
Use guide
- Preset the metal size, weight, volume and location to pass coins, keys and belts
- Set each zone on the 255-level scale, using the high, middle or low pattern
- Select one of the 6 preset programs for the application
- Adjust passing speed up to 100 persons per minute for the arrival rate
- Rely on the 4-hour battery backup to preserve parameters through a power cut
Where this product is used
Part of Metal Detectors for Schools ยท typically specified for:
8 Zone Waterproof Door Frame Metal Detector for Schools FAQ
How many zones does it have
8 as supplied, extendable to 12 or 18 by splitting left, right and middle detection.
Will it alarm on coins and keys
Metal size, weight, volume and location can be preset specifically to exclude coins, keys and belts.
What happens in a power cut
A 4-hour battery backup provides uninterruptible power protection and secures the parameters.
Can it be installed outdoors
Yes, the PVC material with the control unit on top is waterproof, moisture proof and cooler, suitable for outdoor use.
How many people per minute can pass
Passing speed is adjustable up to 100 persons per minute.
Can the alarm be adjusted for a school
Alarm time from 1 to 25 seconds, 255 volume settings and 12 tones.
Can only authorised staff change settings
Yes, only the authorised person can operate it.
Quotation for the 8 Zone Waterproof Door Frame Metal Detector for Schools
Send your destination port and quantity. We will come back with price, lead time and what documentation the factory can supply for your market.



