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Home News Company news Global Rise in Campus Violence Spurs Dem...

Why Security Integrators Worldwide Are Urgently Installing Walk‑Through Metal Detectors on School Campuses

Introduction: A Global Wake-Up Call for Campus Security

In recent years, school violence has become a growing global crisis. From mass shootings in the United States to knife attacks in European and Asian schools, educational institutions are no longer immune to the threats of armed violence. According to the Gun Violence Archive, the U.S. has experienced over 2,000 school shooting incidents since 2014. Meanwhile, in the U.K., knife-related school crimes rose by over 43% in the past five years, according to the Office for National Statistics (ONS). In China and India, reports of on-campus stabbings have increased, prompting public outcry and government intervention.

In the face of this alarming trend, many schools, universities, and public institutions are turning to advanced walk-through metal detectors as a first line of defense. For security integrators, the demand for reliable, high-performance security metal detectors has never been stronger.

As a leading Chinese metal detector manufacturer and supplier, we specialize in producing advanced, cost-effective arched metal detectors and security gates for campus applications. Our products are trusted by integrators in over 60 countries, and we’re here to meet the growing demand for door frame metal detectors designed for educational security.


Global Overview: School Violence and the Rise of Campus Weapons

United States

In the U.S., school shootings have become a tragic norm. According to Everytown for Gun Safety, there were 347 school shooting incidents in 2023 alone—the highest in recorded history. Students report living in fear, and many institutions are implementing weapon detection solutions as standard protocol.

Walk-through metal detectors are now deployed in major cities like New York, Los Angeles, and Chicago, and their effectiveness in reducing campus weapons is well-documented. A study by the RAND Corporation noted that visible metal detectors reduce the likelihood of students bringing firearms or knives onto school grounds.

United Kingdom

In the U.K., the growing problem of knife crime in schools has alarmed educators and policymakers. In 2022, police reported more than 1,100 knife-related incidents on or near school grounds. Several school districts in London and Birmingham have introduced knife detection gates—another name for walk-through metal detectors—at entrances.

The National Education Union supports these moves, stating, “Every child has the right to learn in a safe, weapon-free environment.”

Asia

In China, there have been several tragic stabbing incidents on school campuses in provinces like Guangdong, Hubei, and Yunnan. These incidents prompted schools to seek security gate manufacturers and install door frame metal detectors to prevent similar tragedies. Similarly, in India, school boards in Delhi, Mumbai, and Hyderabad have installed weapon detectors after a spike in student violence.

Across Asia, the push for archway metal detectors in education is gaining momentum.


Security Integrator Pain Points: What Schools Are Asking For

Schools Want: Quick Installation, Reliable Detection, and Remote Control

Security integrators are under pressure to provide reliable systems that are fast to install, easy to operate, and highly accurate. Schools are seeking solutions that offer:

  • Multi-zone detection to pinpoint weapons more accurately.
  • Infrared remote control for seamless management without interrupting school routines.
  • Network integration to log foot traffic and alarms in real-time.
  • Adjustable sensitivity to avoid false alarms (e.g., keys, phones).

What They Don’t Want:

  • Overly complex systems that require constant maintenance.
  • Detectors with poor weatherproofing or limited zone configuration.
  • Generic, imported detectors without manufacturer support.

This is where our range of security metal detectors stands out.


Your Ideal Solution: Advanced Walk‑Through Metal Detectors for Every Campus Size

We offer a complete range of door frame metal detectors that fit schools of every size and risk level. Whether your client needs a basic 6-zone security gate for a small school or a 45-zone walk-through metal detector with advanced IP65 weatherproofing for large institutions, our models are built to meet demand.

Key Product Features That Security Integrators Love:

Feature

Benefit

Detection Zones: 6 to 45

Customizable zone mapping for high accuracy

LED and LCD Displays

Clear visibility for alerts and controls

IP55/IP65 Weatherproofing

Reliable outdoor operation

Remote Control + Network Functionality

Efficient remote management and software integration

Random Alarm Option

Deterrent against manipulation

Fast Assembly

Less than 30 minutes setup time

Multi-language Support

Ideal for global deployments

OEM/ODM Customization

Your brand, your features

All models—including the SA300C, SA300C Plus, SA600, and SA300P—are equipped with multi-zone sensitivity, auto-diagnosis, time/date adjustment, and optional traffic counters.

Why Walk‑Through Metal Detectors Are the Most Reliable Defense for Campus Security

As security integrators around the world know, passive surveillance alone is no longer sufficient. Modern threats require active, real-time, and precise detection technology—and that’s exactly what walk-through metal detectors deliver. Unlike handheld scanners or visual inspections, arched metal detectors offer a comprehensive, efficient, and non-intrusive way to screen individuals for concealed weapons.

10 Reasons Schools Are Choosing Walk-Through Metal Detectors

  1. Full-body, multi-zone detection:
    Multi-zone metal detectors like our SA300C Plus and SA600 can isolate threats to specific regions of the body (head, torso, legs), improving inspection speed and accuracy.
  2. High throughput scanning:
    With scanning speeds as fast as 50+ people per minute, our door frame metal detectors are perfect for busy school entrances during peak hours.
  3. Adjustable sensitivity (0–355 range):
    Schools can fine-tune the detection scope for knives, firearms, or even razor blades, depending on their environment and risk level.
  4. Weatherproof for outdoor use:
    Our IP55/IP65-rated archway metal detectors (like SA300C Plus, SA300S, SA600) operate flawlessly outdoors, rain or shine.
  5. Infrared remote control:
    Security teams can operate and adjust the detector without direct contact, improving efficiency and safety during high-traffic periods.
  6. Traffic counter function:
    Real-time monitoring of how many people enter or exit the premises with positive/negative counting (SA300S, SA600, SA300P models).
  7. Random alarm feature:
    Useful for deterring manipulation—every few entrants may be randomly flagged even if no metal is detected, improving unpredictability.
  8. LCD and LED options:
    Our 7-inch LCD touch screens and LED bar alarms provide intuitive, user-friendly interfaces for security personnel.
  9. Network-compatible design:
    Optional LAN-based monitoring allows for real-time alerts, logging, and integration into broader school security systems.
  10. Customization & multilingual support:
    We offer OEM/ODM metal detector manufacturing with customized language, display modes, and security levels.

Model-by-Model Breakdown of Our Campus Security Metal Detectors

To help security integrators choose the right solution for their clients, here’s a high-level comparison of our top-performing walk-through metal detector models—each engineered with campus security in mind:


SA200: Cost-Effective Entry-Level Solution

  • Detection Zones: 6/18
  • LCD/LED Display: LED
  • Passing Width: 700mm
  • Remote Control: Not available
  • Weatherproof: No
  • Network Capable: No
  • Best For: Small campuses, primary schools, budget-limited environments

Keywords: Entry-level school metal detector, 6-zone walk-through detector, low-cost archway metal detector manufacturer


SA300: Basic Security Gate with Expanded Features

  • Detection Zones: 8
  • LCD Display: 4.3”
  • Door Frame Width: 500mm
  • Sensitivity Adjustment: 0–255
  • System Channels: 50
  • Remote/Network: Not supported
  • Best For: Small-to-medium schools

Keywords: 8-zone door frame metal detector, educational security gate supplier


SA300C: Multi-Zone Customizable Detector

  • Detection Zones: 8/16/24
  • LCD Display: 7”
  • Sensitivity Adjustment: 0–300
  • Network Functionality: Yes
  • Random Alarm: Yes
  • Language & Time Adjustments: Yes
  • Best For: Medium-sized campuses

Keywords: 24-zone walk-through scanner for schools, customizable metal detector supplier


SA300C Plus: Advanced Detection with IP55 Weather Protection

  • Detection Zones: 33
  • LCD Display: 7”
  • Weatherproof: IP55
  • Remote Control: Yes
  • Traffic Counter: Yes
  • Diagnostic Mode: Yes
  • Best For: High-risk schools or large campuses with indoor/outdoor entrances

Keywords: IP55 school security gate, 33-zone walk-through metal scanner supplier


SA300S: Rugged, Weatherproof School Security Gate

  • Detection Zones: 33
  • Door Frame Width: 600mm
  • Weatherproof: IP65
  • Traffic Counter: Yes
  • All Software Functions: Enabled
  • Best For: Harsh outdoor environments, secondary schools, universities

Keywords: IP65 outdoor archway detector, rugged school metal scanner, weatherproof weapon detector manufacturer


SA600: Ultimate Detection Power with 45 Zones

  • Detection Zones: 45
  • LCD Display: 7”
  • Network Ready: Yes
  • IP Rating: IP65
  • Width: 760mm (extra wide)
  • Best For: High-traffic universities, event halls, international schools

Keywords: 45-zone walk-through detector, large campus weapon detector, school security gate factory


SA300P: Portable Detector with Full Software Features

  • Detection Zones: 8/16/24
  • LCD Display: 7” touch screen
  • Frame Width: 500mm
  • Portability: Foldable/Portable
  • Network & Traffic Counter: Yes
  • Best For: Temporary checkpoints, mobile inspections, rented campuses

Keywords: Portable metal detector for campus use, foldable security gate supplier, mobile school weapon detector


Case Studies – Real World, Real Results

U.S. Charter School District, California

Problem: Frequent knife incidents and rising parental concerns
Solution: Installed 12 SA300C Plus units at 4 campuses
Outcome: Reduced contraband detection time by 65%, zero incidents reported since deployment

"Our staff feels safer, and students understand that weapons won't be tolerated. The SA300C Plus was easy to integrate with our security system."

— Facilities Director, California Public Charter School


Case 2: Boarding School, India

Problem: Recurrent bullying and weapon threats from outsiders during public events
Solution: Deployed 6 SA300S units at entrance gates
Outcome: Prevented 3 blade-carrying intrusions within the first 30 days

"The IP65 weather protection and strong alarm accuracy helped us secure large student gatherings outdoors."

— Security Coordinator, Indian Residential School


Case 3: University Campus, South Africa

Problem: Increasing gun-related incidents near campus area
Solution: Installed 20 SA600 units across main halls and dormitories
Outcome: 30% drop in reported weapons on campus in 6 months

"SA600 combines accuracy, durability, and data tracking we needed—an ideal solution for large institutions."

— Head of Campus Security, Johannesburg University


How to Choose the Right Walk-Through Metal Detector for Your School

Every campus has different security needs depending on student volume, location, and threat level. Here's a simple guide to help you or your clients choose the right walk-through metal detector model:

Small Schools (K–12, Primary)

  • Key Needs: Budget-conscious, basic protection, indoor use.
  • Recommended Models: SA200, SA300.
  • Reasons: Simple installation, 6–8 zone detection, cost-effective.

Medium to Large Schools

  • Key Needs: Multi-zone detection, outdoor-ready, software features.
  • Recommended Models: SA300C, SA300C Plus, SA300S.
  • Reasons: Advanced diagnostics, IP55/IP65 waterproof, random alarms, LAN monitoring.

Universities and Boarding Schools

  • Key Needs: High throughput, high security, integration.
  • Recommended Models: SA600, SA300S, SA300P.
  • Reasons: Up to 45 detection zones, remote control, network compatibility, traffic counting, portable deployment.

Temporary Events or Shared Spaces

  • Key Needs: Portability, fast deployment, versatility.
  • Recommended Model: SA300P.
  • Reasons: Foldable, touch screen, adaptable zone control, software upgradeable.


Here are common queries and long-tail keywords potential customers search on Google, with built-in answers to attract traffic and improve visibility.

“What’s the best metal detector for schools?”

Our SA600 walk-through metal detector is designed for large-scale, high-security campuses with 45 detection zones and advanced diagnostic systems.

“Can I use a metal detector outdoors at school gates?”

Yes, our SA300S and SA600 school security gates are IP65-rated, fully waterproof and heat-resistant for year-round use.

“Do metal detectors work for knives and small weapons?”

Absolutely. With sensitivity ranges from 0–355, our detectors can detect small knives, box cutters, and even concealed razor blades.

“Where can I buy a campus metal detector from China?”

We are a direct factory supplier of walk-through metal detectors from China, offering OEM/ODM customization, bulk pricing, and fast global shipping.

“How many zones should my school’s security gate have?”

For most schools, 8–24 zone metal detectors like SA300C are sufficient. For high-risk campuses, 33–45 zones like SA300S and SA600 provide full-body pinpointing.


We are not just a supplier — we are your strategic partner in school security. Here’s why global clients trust us:

Direct Manufacturer Advantage

  • Factory price with full production control
  • Full R&D capabilities to offer OEM/ODM metal detector manufacturing

Export to 60+ Countries

  • Clients in the U.S., Europe, Africa, Southeast Asia, and the Middle East
  • Multilingual product interface and documentation

Strict Quality Control

  • Each walk-through metal detector undergoes calibration, burn-in testing, and real-time alarm verification before shipment.

Fast Global Logistics

  • Rapid lead times and export handling via air and sea
  • Available CE, FCC, and RoHS certifications

Dedicated Support Team

  • Pre-sale consulting, remote installation guidance, and 24/7 after-sales service

Secure Your Campus with Confidence — Contact Us Today

Whether you're a school administrator, security integrator, or government procurement official, our walk-through metal detectors offer unmatched reliability, speed, and cost-effectiveness.

Request a quote now
Talk to our experts for model recommendations
Ask about sample orders or long-term distribution opportunities

We export worldwide — Let's protect your campus together.


Metal Detector Model Quick Reference Table

Model

Zones

Screen

Waterproof

Remote

Portable

Use Case

SA200

6/18

LED

No

No

No

Entry-level indoor

SA300

8

4.3” LCD

No

No

No

Budget primary school

SA300C

8/16/24

7” LCD

No

No

No

Medium-sized schools

SA300C Plus

33

7” LCD

IP55

Yes

No

Indoor/outdoor usage

SA300S

33

7” LCD

IP65

Yes

No

Rugged school gates

SA600

45

7” LCD

IP65

Yes

No

Universities, events

SA300P

8/16/24

Touch LCD

No

No

Yes

Mobile or rented sites

Technic Specs, User Manuals, Certificates, and Installation Guides available upon request.


Your Security Is Our Responsibility

We believe every student deserves a safe learning environment. Our mission is to supply cost-effective, high-performance walk-through metal detectors to schools and institutions worldwide.

Whether your priority is price, performance, or portability, we have a model to fit your needs — and a team to support you every step of the way.



Product Categories

  • Security Screening Equipment
    • Walk Through Metal Detector
    • Hand Held Metal Detector
    • X-ray Security Scanner
    • Under Vehicle Inspection System
    • Bottle Liquid Scanner
    • Explosive Detection and Handheld Spectrometer
  • Food Metal Detector
  • Underground Metal Detector
  • Other Security Equipment
    • Human Presence Detection System (HPDS)
    • Ballistic Blankets and Blast Container
    • Stanchion and Belt Barrier
    • Security Bollards & Tyre Killer & Road blocker
  • More Products
    • Temperature measurement & Disinfection

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