Industrial Metal Detection Systems
Professional walk through metal detectors and industrial detection solutions. Advanced dual-frequency technology including our flagship GTL117B model for precision detection in complex environments.

Industry-Leading Detection Technology
High Sensitivity Detection
Detects mines containing minimal metal content, including plastic mines with trace metal components.
Complex Geology Adaptation
Performs reliably in mineralized soils and challenging environmental conditions.
IP67 Protection
Fully waterproof design ensures operation in all weather conditions.
Extended Operation
≥14 hours continuous operation with quick-charge capability.
Complete Detection Equipment Portfolio
Professional-grade detection solutions for military, security, and industrial applications
Factory-Direct Source
OEM/ODM customization, rigorous quality control, and fast delivery aligned with the minedetectorfactory brand
In-house Manufacturing (Factory-Direct)
Integrated R&D and manufacturing; in-house coils/PCBs/algorithms; batch traceability with SN records.
Quality System
100% functional/sensitivity calibration; IQC/IPQC/OQC processes exceeding industry standards.
Certifications & Compliance
Supports market compliance (e.g., CE/RoHS) with optional third-party testing and report archiving.
OEM/ODM Customization
Customizable frequency, coil, shaft, enclosure, and firmware UI; supports private labeling and batch parameter presets.
Lead Time & Supply
Safety stock of key components; fast shipment for standard models; transparent scheduling for volume orders.
Warranty & Support
Technical documentation, spare parts, and remote support; warranty and SLA per project agreement.

Manufacturing Capability
- • Coil winding and potting; EMI suppression and shielding optimization
- • Rapid small-batch prototyping: CNC, injection molding, carbon-fiber shafts/enclosures
- • Reliability validation: waterproofing, drop, vibration, thermal cycling (as needed)
- • Burn-in testing, sensitivity consistency sampling, and batch calibration fixtures
- • Material traceability and batch retention samples; visual production dashboards
OEM/ODM Process
From solution evaluation to mass delivery with clear milestones and complete documentation
Requirement Discovery
Provide requirement spec, technical targets, and trackable milestones/deliverables.
Solution Sign-off
Provide requirement spec, technical targets, and trackable milestones/deliverables.
Prototype Validation
Provide requirement spec, technical targets, and trackable milestones/deliverables.
Pilot Run
Provide requirement spec, technical targets, and trackable milestones/deliverables.
Mass Production
Provide requirement spec, technical targets, and trackable milestones/deliverables.
Ongoing Support
Provide requirement spec, technical targets, and trackable milestones/deliverables.
Mine Detector Series
Advanced electromagnetic induction and composite detection technology
GXB031B Dual-Frequency Metal Mine Detector
Military-grade dual-frequency continuous wave technology with advanced soil adaptation capabilities.
- Weight: ≤2.8kg (with battery)
- Detection Distance: ≥16.5cm
- Operating Time: ≥14 hours continuous
- Protection: IP67 waterproof
- Temperature Range: -40°C to +55°C
LTD-MF1 Multi-Frequency Detector
Fast synchronous multi-frequency technology with enhanced IED and non-metallic target detection.
- Weight: <2.6kg (with battery)
- Compact Design: Foldable to 425×280×100mm
- Operating Time: >8 hours
- Protection: IP68 waterproof
- Special Feature: Graphite electrode detection
LTD-MR1 Composite Mine Detector
Electromagnetic induction + ground penetrating radar composite detection technology.
- Weight: ≤4.0kg
- Detection Distance: ≥18cm
- Alert Methods: Sound, Image, Vibration
- Sensitivity: High/Medium/Low adjustable
- Water Resistance: 1m depth operation
LT-02/LT-05 Series Detectors
Multi-width dual-polarity pulse electromagnetic induction with automatic soil background balance.
- Weight: 3.4kg
- Detection Rate: ≥97% (GLD111 mines)
- Operating Time: 15 hours continuous
- False Alarm Rate: ≤0.2 per m²
- Rod Length: 65-150cm adjustable
Ground Penetrating Radar
Advanced infrastructure inspection and geological survey capabilities
LTD-2600 Ground Penetrating Radar
Professional-grade GPR system for structural analysis and underground detection
System Components:
- • Radar mainframe
- • GC900MHz antenna
- • GC400MHz antenna
- • Data processing software
- • Ranging device
Key Specifications:
- • Weight: 3.5kg
- • Operating Temperature: -10°C to +50°C
- • Dynamic Range: -10dB to 130dB
- • Time Window: 5-8000ns
Applications:
- • Tunnel geological forecasting
- • Construction quality inspection
- • Road foundation analysis
- • Underground cavity detection
- • Pavement thickness measurement
- • Bridge structure inspection
- • Underground pipeline detection
- • Infrastructure quality assessment
Communication Device Detectors
Advanced security screening for high-security venues
LT-007 Communication Device Detector
Micro-residual magnetism detection technology for comprehensive electronic device screening
Detection Capabilities:
- Mobile phones (all states: on/off/battery removed)
- Recording devices and listening equipment
- Micro earpieces and communication aids
- Cheating devices and unauthorized electronics
Technical Specifications:
- • Detection Distance: 6cm
- • Detection Frequency: 13KHz
- • Alert Modes: Sound/Vibration
- • Weight: 350g
- • Dimensions: 365×60×30mm
- • Power: 9V battery
- • Safety: No radiation, harmless to humans
Technical Specifications Comparison
Professional-grade specifications meeting international standards
| Product Model | Weight (kg) | Detection Distance (cm) | Operating Time (hours) | Protection Rating | Temperature Range (°C) | Special Features |
|---|---|---|---|---|---|---|
| GXB031B | ≤2.8 | ≥16.5 | ≥14 | IP67 | -40 to +55 | Dual-frequency, underwater capable |
| LTD-MF1 | <2.6 | Standard | >8 | IP68 | -40 to +55 | IED detection, foldable design |
| LTD-MR1 | ≤4.0 | ≥18 | ≥4 | Waterproof | -40 to +50 | Composite: EM + GPR |
| LT-02/LT-05 | 3.4 | 15-16 | 15 | Standard | -40 to +50 | 97% detection rate |
| LTD-M3E | ≤3.0 | ≥15 | ≥12 | IP68 | -40 to +55 | Multi-width pulse technology |
| LTD-2600 | 3.5 | GPR Detection | Battery Powered | Standard | -10 to +50 | Ground penetrating radar |
| LT-007 | 0.35 | 6cm | Battery Powered | Standard | Standard | Communication device detection |
Application Areas
Trusted by professionals in critical security operations worldwide
International Peacekeeping
Deployed in UN peacekeeping missions for safe area clearance and route verification.
Counter-Terrorism Operations
Essential equipment for EOD teams and security forces in high-risk environments.
Post-Conflict Clearance
Supporting humanitarian demining efforts in post-conflict zones worldwide.
Complete Equipment Package
Everything needed for professional detection operations
Main Components
- Control unit with advanced signal processing
- Adjustable detection probe (telescopic design)
- High-sensitivity search coil
- Ergonomic auxiliary handle
Accessories & Support
- Professional headphones (in-ear and over-ear options)
- Rechargeable battery pack with spare
- Test targets and calibration tools
- Rugged carrying case
Core Technology Advantages
Advanced features for professional operators
Dual-Frequency Detection
Simultaneous high and low frequency operation for superior target discrimination and false alarm reduction.
Background Learning
Adaptive algorithms automatically compensate for ground mineralization and environmental interference.
Zero-Point Compensation
Real-time calibration ensures consistent performance across varying operational conditions.
Latest Articles
Research, standards and deployment insights
Industrial Metal Detection Systems: Comprehensive Implementation and Optimization Guide
Industrial ApplicationsComprehensive Testing Standards and Certification Compliance Guide
Standards & ComplianceProfessional Procurement Guide: RFP Development and Supplier Selection
Procurement GuidesDatasheets and Certificates Bundle
DownloadsMaintenance Strategy and Spare Parts Planning
Operations & SupportIndustrial Deployment: Mineralized Soil Operations
Industry Use CasesSupport & Service
Comprehensive support for all operational needs
Documentation
- Operation Manual (PDF)
- Maintenance Guide
- Quick Start Guide
Technical Support
- 24/7 Hotline Support
- Remote Diagnostics
- On-site Service Available
About GTL117B Professional
Leading manufacturer of professional-grade metal detection equipment for security, military, and industrial applications since 2008.
500+
Clients Worldwide
15+ Years
Industry Experience
GTL117B Professional has been at the forefront of metal detection technology, designing and manufacturing precision equipment for the most demanding professional applications.
Frequently Asked Questions
Professional insights for industrial metal detection solutions
A walk through metal detector is an industrial security system that uses electromagnetic fields to detect metallic objects as people pass through a doorway-shaped frame. Our professional walk through metal detectors operate using dual-frequency continuous wave transmission technology.
The detection process works by creating intersecting electromagnetic fields that generate alerts when metal objects disrupt the field pattern. Our industrial metal detectors can detect objects as small as a paperclip while maintaining low false alarm rates in busy industrial environments.
Key technical capabilities include:
- Detection sensitivity: Adjustable from 1-99 levels for different security requirements
- Multi-zone detection: Pinpoint location identification across 6-18 detection zones
- Environmental adaptation: Automatic ground balance for different installation locations
- Integration capability: Compatible with access control and surveillance systems
Perfect for food processing facilities, pharmaceutical manufacturing, and high-security industrial applications.
Food processing metal detectors are specialized industrial metal detectors designed to identify and reject metal contaminants in food products during manufacturing. These systems are essential for preventing metal contamination that could cause serious injury to consumers and costly product recalls.
Modern food processing metal detectors use multi-frequency detection technology to identify three types of metal contaminants:
- Ferrous metals: Iron, steel fragments from machinery wear, bolts, screws
- Non-ferrous metals: Aluminum foil, copper wiring, brass fittings
- Stainless steel: The most challenging to detect, requiring advanced technology
Our pharmaceutical metal detector systems meet FDA 21 CFR Part 11 compliance and HACCP requirements. The compact metal detector design integrates seamlessly into existing production lines without disrupting workflow.
Key benefits include automatic product rejection, data logging for traceability, and washdown-safe IP69K rated enclosures for sanitary environments.
Pharmaceutical metal detectors are purpose-built for the strict requirements of pharmaceutical manufacturing, featuring enhanced sensitivity, validation capabilities, and regulatory compliance that standard industrial metal detectors cannot provide.
Key differences include:
- Ultra-high sensitivity: Detect metal particles as small as 0.3mm in tablets and capsules
- FDA 21 CFR Part 11 compliance: Electronic records and signatures for pharmaceutical validation
- IQ/OQ/PQ documentation: Complete Installation, Operational, and Performance Qualification packages
- Sanitary design: Tool-free disassembly, crevice-free surfaces, pharmaceutical-grade materials
- Product effect compensation: Advanced algorithms to handle conductive/magnetic pharmaceutical products
Our compact metal detector systems for pharmaceuticals include automatic test piece verification, audit trail capabilities, and multi-language HMI interfaces to meet global pharmaceutical manufacturing standards.
These specialized pharmaceutical metal detector systems ensure both product safety and regulatory compliance across all major pharmaceutical markets.
Compact metal detectors are space-efficient detection systems designed for applications where standard industrial metal detectors are too large or powerful. These smaller systems maintain high detection accuracy while fitting into constrained spaces and portable applications.
Common applications for compact metal detectors include:
- Small production lines: Bakeries, specialty food processors, small-batch pharmaceutical production
- Quality control stations: Sample testing, incoming inspection, laboratory analysis
- Portable inspection: Field testing, temporary installations, mobile food service
- Space-constrained facilities: Retrofitting existing production lines with limited floor space
- Educational institutions: Training facilities, research laboratories, demonstration purposes
Our compact metal detector models offer the same dual-frequency technology and industrial-grade reliability as larger systems, with detection sensitivity suitable for small metal fragments and contaminants.
These systems feature intuitive touchscreen interfaces, automatic calibration, and integration capabilities with existing quality management systems.
Industrial metal detectors significantly improve production line efficiency by preventing contaminated products from reaching consumers, reducing costly product recalls, and maintaining continuous production flow with minimal operator intervention.
Key efficiency benefits include:
- Automated rejection: Contaminated products are automatically removed without stopping production
- Real-time monitoring: Continuous operation data and performance analytics
- Preventive maintenance alerts: Predictive maintenance scheduling reduces unexpected downtime
- Integration capabilities: Seamless connection with existing PLCs and factory automation systems
- Multi-product memory: Store detection settings for different products to minimize changeover time
Modern walk through metal detector systems and conveyor-based industrial metal detectors feature advanced diagnostics that identify potential issues before they cause production delays.
ROI typically achieved within 6-12 months through prevention of recalls, reduced waste, and improved production efficiency.
Selecting the right metal detection system depends on your specific application, product characteristics, regulatory requirements, and operational environment. Each type of detector is optimized for different use cases.
Key decision factors include:
- Walk through metal detectors: Best for personnel security screening, access control, and general facility protection
- Food processing metal detectors: Essential for HACCP compliance, consumer safety, and brand protection in food manufacturing
- Pharmaceutical metal detectors: Required for FDA compliance, GMP validation, and ultra-high sensitivity detection in drug manufacturing
- Industrial metal detectors: Suitable for manufacturing quality control, raw material inspection, and general industrial applications
- Compact metal detectors: Ideal for small-scale operations, laboratory use, and space-constrained environments
Our technical team provides free consultation to help determine the optimal metal detection solution based on your product specifications, throughput requirements, and regulatory compliance needs.
We offer demonstration units and trial periods to ensure the selected system meets your performance expectations before final purchase.
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