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Description
At a Glance
The LSJ SEED-PM is a portable handheld trace detector built on Ion Mobility Spectrometry (IMS) for emergency firefighting, public security, border defense, anti-smuggling, national defense, the military, airports, railway stations and customs — a single 3 kg instrument for solid, liquid and gaseous samples.
01The Problem: Hot Zones Hide Six Different Threats
Teams cannot carry six single-purpose instruments into one time-critical scene — and the threats themselves are engineered to be invisible:
!Invisible, Odorless Lethal Hazards
Chemical warfare agents and toxic industrial gases are invisible and often odorless at lethal concentrations; a wrong entry decision can cost lives.
!Too Many Single-Purpose Instruments
Separate instruments for chemistry, combustible gas, radiation and explosives are slow to deploy and difficult to cross-check under pressure.
!Unknown Mixtures After Disasters
After earthquakes, floods or industrial fires, ruptured tanks and damaged pipelines release unknown mixtures of solids, liquids and gases.
!Seconds Matter at Checkpoints
At customs, airports and border checkpoints, trace contraband needs a verdict in seconds — with a defensible digital record for every screening.
Figure: Encapsulated hazmat entry teams rely on pre-entry screening with the LSJ SEED-PM to identify invisible chemical agent and toxic gas hazards before committing personnel.
02One Device Replaces a Rack of Single-Purpose Detectors
The SEED-PM consolidates six detection capabilities into one handheld unit. Its onboard database holds no fewer than 600 sample profiles and can be expanded as new threats emerge, while the front suction inlet accepts solid, liquid and gaseous samples without swapping probes.
One inlet, three states: solid, liquid and gas samples run through the same suction workflow — no cartridges, probes or consumables to swap on site.
Figure: A single LSJ SEED-PM unit screens for explosives, drugs, military chemical agents and industrial chemicals during a field rescue operation.
03From Power-On to Verdict in Seconds, Not Minutes
A built-in intelligent algorithm drives fast response at pg-class sensitivity, with a quantified Sarin (GB) detection limit of 0.5 mg/m³. The workflow is deliberately simple — one key starts the unit, self-check and automatic calibration run without intervention, and the operator presents the suction inlet to the target:
Figure: The SEED-PM travels in a rugged hard case with custom-cut foam for the detector and sampling accessories — arrive, open and start screening with one key.
04A 4.3-Inch Touchscreen for the Whole Threat Picture
The color touchscreen displays the IMS spectral fingerprint alongside three live environmental channels — radiation level (μSv/h), combustible gas (LEL, %LEL) and TVOC (ppm) — so an operator sees chemical, explosive and radiological risk at one glance. The status line confirms “Ready”, one-tap automatic calibration is always available, and a clear audible-visual alarm fires the moment a hazard is identified. For checkpoint and patrol work, a covert (silent) alarm mode can be selected instead.
On-Screen Readout Example
RAD 10.0 μSv/h LEL 0.1 %LEL TVOC 0.1 ppm● READY AUTO CALIBRATION ▲ AUDIBLE-VISUAL / COVERT ALARM
Figure: SEED-PM interface — IMS spectra, radiation (μSv/h), LEL (%LEL) and TVOC (ppm) readouts, automatic calibration, wireless status and audible-visual alarm.
05Engineered for the Field, Wired for the Command Post
At 3 kg and 367 × 138 × 169 mm, the SEED-PM is carried one-handed through a full shift. It operates from −20 °C to +55 °C at up to 95%RH, runs for more than 5 hours on the lithium-ion battery (10+ hours standby), and links to the command post through WAN Ethernet, dual USB and wireless upload. Every screening is stored — up to 300,000+ detection records — with storage, retrieval, export and USB backup.
Figure: Front suction sampling inlet (left) and rear interface panel with USB 1, USB 2, WAN Ethernet and power input — supporting USB backup and wired / wireless data upload.
06Who Relies on the LSJ SEED-PM
Use Case 01
Emergency Firefighting & HazMat Response
Fire rescue and hazardous-materials teams screen smoke, spills and collapsed structures for chemical agents and toxic gas before committing crews. When a hazardous gas is detected, the unit raises an audible-visual alarm and shows the agent type on screen, letting commanders plan routes and keep personnel out of poisoned zones.
Figure: A rescue operator carries the LSJ SEED-PM one-handed through a rubble search-and-rescue site for on-site hazardous-materials screening.
Use Case 02
National Defense, Military CBRN, Border & Anti-Smuggling
Military CBRN reconnaissance patrols, border defense units and anti-smuggling teams use the SEED-PM to verify chemical and radiological contamination in the field, with covert silent alarming for discreet operations. The same instrument supports trace screening of explosives and narcotics at checkpoints.
Figure: CBRN reconnaissance in a toxic / radiological hazard zone — the SEED-PM identifies chemical agents and radiation while the operator works in full protective equipment.
Use Case 03
Disaster Relief & Environmental Hazard Monitoring
After earthquakes, floods and industrial accidents, damaged plants and pipelines may leak toxic substances. Environmental and rescue teams survey contaminated ground, waterlines and debris before entry, using stored results to map hazard zones and plan safe rescue routes.
Figure: Hazmat technicians survey a contaminated shoreline with the SEED-PM, a portable high-risk environmental monitoring and alarm system.
Additional deployment settings: public security operations, airports, railway stations, customs inspection halls, chemical industrial parks, large-event security screening and national defense installations.
07LSJ SEED-PM Trace Detector FAQ
Request Datasheet & Quotation
Equip Your Team with One Detector for Six Threat Classes
Request the latest LSJ SEED-PM factory datasheet, configuration options and a quotation for your agency or program.
Request a Quote for the LSJ SEED-PMFactory datasheet · Configuration guidance · Quotation
LSJ SEED-PM Technical Specifications
All parameters below are factory specifications of the LSJ SEED-PM portable IMS trace detector. Highlighted values are the procurement-critical performance figures.
Note: specifications are sourced from the LSJ SEED-PM factory technical datasheet and are subject to change without prior notice; confirm configuration-specific values with LSJ before ordering.
