Non-invasive assessment
Electromagnetic sensing screens liquids through compatible plastic and glass containers without opening them.

Non-intrusive detection of hazardous liquids in sealed containers.
1–2 sec
Analysis time
200+
Records stored
Safe / Danger
Assessment
USB
Connectivity
Product introduction
The GS18-LQ Handheld Liquid Detector is a compact, non-invasive security screening device designed to identify potentially dangerous liquids without opening the container. Using electromagnetic detection technology, it analyses liquids through compatible non-metallic containers such as plastic and glass and provides rapid Safe/Dangerous assessment. Its lightweight handheld form, fast response, onboard data storage and USB connectivity make it suitable for efficient security screening at high-traffic facilities.

Intelligent security screening
GS-DFMD 9459 AI
Core capabilities
Electromagnetic sensing screens liquids through compatible plastic and glass containers without opening them.
Approximately one-to-two second analysis provides clear Safe or Dangerous feedback at busy checkpoints.
Voice and visual alerts, 200+ record storage, USB connectivity and rechargeable NiMH power support mobile screening.
Key technical features
Non-Invasive Liquid Screening — Detects potentially hazardous liquids without opening or handling container contents.
Electromagnetic Detection Technology — Analyses liquid characteristics through suitable non-metallic packaging.
Rapid Analysis — Typical detection time of approximately 1–2 seconds for quick passenger and package screening.
Multi-Liquid Detection Capability — Designed to screen fuels, solvents, alcohols and other liquid substances.
Non-Metallic Container Compatibility — Supports screening through plastic and glass containers.
Clear Security Assessment — Provides straightforward Safe / Dangerous result indication.
Dual Alert System — Combines voice and visual indications for immediate operator feedback.
Built-In Data Recording — Stores 200+ detection records for traceability and review.
Radiation-Free Operation — Uses electromagnetic sensing rather than ionizing radiation.
Portable Ergonomic Design — Lightweight handheld construction supports rapid point-of-check inspection.
USB Connectivity — Provides an interface for charging and data-related functions.
Rechargeable Power System — NiMH battery supports mobile operation without continuous mains power.
Integrated Charging Base — Dedicated detector base provides convenient placement and charging.
Applications
Airport & Aviation Security
Railway & Metro Security
Transportation Hubs
Government & High-Security Facilities
Correctional Facilities
Public Venues & Event Security
Parcel & Package Screening
Restricted-Area Access Control
Plan your security checkpoint