Three-Sensor Detector For Mines And Wires - GMWD-1200 | Godrej Security Solutions

Unlocking Unmatched Mine & Wire Detection: A Comprehensive Guide to the Godrej

GMWD-1200 Three-Sensor Detector

In modern counter-explosive and demining operations, speed, accuracy, and versatility are vital to ensuring safety and operational success. Explosive hazards come in many forms—from metal anti-tank mines to minimum-metal anti-personnel mines, plastic-cased improvised explosive devices (IEDs), and command wires hidden beneath the soil. Relying on a single sensor modality often exposes operators to critical blind spots.   

To solve this multi-faceted challenge, Godrej introduced the GMWD-1200, a state-of-the-art Three-Sensor Detector designed to detect metal mines, metal-free/minimum-metal mines, plastic-cased IEDs, and short command wires.   

In this detailed deep-dive, we explore the features, technical specifications, operational modes, and capabilities of the Godrej GMWD-1200

What is the Godrej GMWD-1200?

The Godrej GMWD-1200 is a multi-sensor detection platform that integrates three independent sensing technologies—Ground Penetrating Radar (GPR), Metal Detection (MD), and Wire Detection (WD)—into a single, unified Search Head.   

By providing a single tool capable of multi-sensor fusion, the GMWD-1200 equips demining personnel and EOD teams with highly reliable, real-time spatial and depth data about subsurface targets

The GMWD-1200 (manufactured by Godrej) is a multi-sensor, leading-edge technology detector engineered to discover metal and metal-free landmines, Improvised Explosive Devices (IEDs), and short target wires. It integrates three separate sensing technologies into a single search head, allowing independent or simultaneous operation:   

Core Detection Modes & How They Work

The GMWD-1200 offers complete operational flexibility. Operators can run each detection mode independently or simultaneously in a combined mode depending on terrain conditions and target threats.

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1. Ground Penetrating Radar (GPR) 

2. Metal Detector (MD)

3. Wire Detector (WD)

1. Operating Modes & Technological Functions

• Ground Penetrating Radar (GPR) Mode:

  • Function: Detects targets whose electrophysical properties differ from the surrounding soil or medium. It pinpoints the precise position and depth of both metallic and non-metallic objects.   

  • Central Frequency: 1200 MHz.   

  • Resolution: 0.05 m.   

  • Maximum Detection Depth: Up to 1.0 m.   

  • Detection Capabilities:

    • Anti-tank mines in plastic and metal casings (e.g., TM-62P, TM-62M): up to 0.5 m.   

    • Anti-personnel mines in plastic casings (e.g., PMN-2): up to 0.2 m.   

• Metal Detector (MD) Mode:

  • Function: Searches for metal objects, selecting and differentiating targets ranging from non-ferrous metals to iron. It enables operators to find minimum-metal mines and categorize object types.   

  • Mine Center Location Precision: 0.05 m.   

  • Detection Capabilities:

    • Anti-tank mines (TM-62M): up to 0.5 m.   

    • Anti-personnel mines (PMN-2): up to 0.2 m.   

• Wire Detector (WD) Mode:

  • Function: Specifically designed to uncover short command/trip wires used for detonating IEDs.   

  • Detection Capability: Detects wires with a minimum length of 1 m at a depth of up to 0.15 m.   

2. Key Features & Operational Ergonomics

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• Sensor Integration: All three sensors (GPR, MD, and WD) are combined within a single, unified Search Head.   

• Multimodal Feedback: Provides real-time audio, visual, and vibro-tactile signaling to the operator.   

• Display & Control Unit: Features an Indication and Control Unit with a screen readable in both day and night conditions. It displays visual metrics (e.g., Target Depth, Object Class, and individual signal levels for MD, GPR, and WD). Controls include Navigation buttons ($\uparrow$ / $\downarrow$), Selection (OK), and Return/Exit (ESC).   

• Data Storage: Equipped with internal memory (up to 2 GB) to log operational data.   

• Soil Compensation & High Sensitivity: Built-in soil compensation with ultra-high sensitivity and target selection capabilities.   

• Ergonomics: Designed to be lightweight, portable, foldable, resistant, and operable with either hand.   

3. Technical Specifications

Parameter	Specification Details
Operating Weight	3.550 kg
Telescopic Bar Length	1.5m
Setup / Setting Time	1 min
Operating Temperature	-30 to +50 Degrees
Environmental Ingress Rating	IP 66
Waterproofing	Search Head is waterproof and submersible up to 1 m depth
Power Options	Rechargeable NiMH power supply unit OR battery unit using 10 x AA (1.5 V) batteries
Battery Life / Running Time	8 hours (using one rechargeable battery unit)
Battery Charger	Dual-slot charger capable of charging two batteries simultaneously, equipped with continuous level gauges
Transport Case Dimensions	980 mm x 450 mm x 170 mm

Key Features & Ergonomic Advantages

1. Multi-Sensory Operator Feedback

To maintain situational awareness in loud environments, night operations, or covert sweeps, the GMWD-1200 delivers alerts via three modalities:   

• Audio Alerts: Variable tone signals indicating signal strength and target type.   

• Visual Display: Readable in daylight and pitch black night conditions.   

• Vibro Signal: Haptic feedback for tactile warning in high-noise environments or stealth scenarios.   

2. Intuitive Indication & Control Unit (ICU)

• High-Contrast Screen: Displays dedicated readings for MD, GPR, and WD simultaneously or selectively.   

• Target Information: Displays realtime calculated Depth (e.g., Depth: 0.3m) and target Classification (e.g., Class: 3) alongside signal bars for all three sensors.   

• Internal Data Logging: Features an integrated memory capacity of up to 2 GB to record sweep data, target logs, and survey results for post-mission analysis. 

3. Soil Compensation & Ultra-High Sensitivity

Highly mineralized soils, wet clay, or conductive beach sand often create false positives with conventional detectors. The GMWD-1200 features built-in soil compensation algorithms alongside ultra-high sensitivity settings to suppress ground signals and maintain precise target detection.   

4. Submersible Search Head

While the main body and control units are designed to withstand heavy field use, the Search Head itself is completely hermetic and waterproof rated up to a depth of 1 meter. This allows operators to clear shallow water obstacles, streams, flooded ditches, and shorelines without changing equipment.   

5. Designed for Human Factors & Field Durability

• Ambidextrous Design: Operable with either hand, accommodating left- and right-handed operators with ease.   

• Modular & Foldable Construction: The telescopic bar extends up to $1.5\text{ m}$ and collapses compactly for transport.   

• Rapid Deployment: Ready for operation in just 1 minute from unboxing.   

• Total Operational Weight: $3.55\text{ kg}$ (ready for operation).   

Technical & Physical Specifications

Below is a complete reference of the technical specifications for the Godrej GMWD-1200:  

Summary of Benefits for Field Operations

1. Eliminates Blind Spots: Combining MD, GPR, and WD ensures that minimum-metal antipersonnel mines, plastic AT mines, and wired IEDs are detected in a single sweep.   

2. Reduces Demining Time: Operators no longer need to carry and switch between separate wire detectors, metallic mine detectors, and radar units.   

3. All-Weather, Harsh-Terrain Ready: Engineered to operate across extreme temperatures -30 to + 50 Degrees, under IP66 conditions, and in shallow water crossings.   

4. Actionable Subsurface Intelligence: Real-time visual estimates of target depth and classification allow deminers to adjust their excavation approach safely.   

   
   

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