FirstDefender™ RMX Handheld Chemical Identification

The safety of responders and the community is crucial when examining potentially dangerous materials. First responders, both military and civilian, must be able to recognize unknown solid and liquid substances at a distance, such as explosives, hazardous industrial chemicals, chemical weapons, drugs, precursors, white powders, and more.

When swift and precise chemical identification is required for incident response, the Thermo Scientific™ FirstDefender™ RMX Handheld Chemical Identification Analyzer can be mounted on a tactical robot or used as a handheld instrument. This versatility and increased safety make it an excellent choice.


Source: Thermo Fisher Scientific – Handheld Elemental & Radiation Detection

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Product Type Handheld Raman Spectrometer
Battery Type Rechargeable internal lithium-ion battery or disposable batteries; >4 hours operation
Certifications/Compliance Certified to MIL-STD 810G standards for ruggedness and environmental protection to IP67 standards against dust and water up to 1 m.
Description FirstDefender RMX Handheld Chemical Identification
Dimensions (L x W x H) 7.7 x 4.5 x 2.4 in. (19.6 x 11.4 x 6.1 cm)
Exposure Manual, Automatic modes (5 ms minimum)
Height (English) 2.4 in.
Height (Metric) 6.1 cm
Length (English) 7.7 in.
Length (Metric) 19.6 cm
Libraries Explosives, toxic industrial chemicals (TICs), chemical warfare agents (CWAs), narcotics, precursors, white powders and more
Power Supply DC Wall Adapter 5 VDC, 3 A, 18 W Max.
Temperature Range (English) -4° to +122 °F
Temperature Range (Metric) -20 °C to +40 °C
Weight (English) 2 lb.
Weight (Metric) 919 g
Width (English) 4.5 in.
Width (Metric) 11.4 cm
Working Distance ∼6 mm without nose cone; ∽5 mm with nose cone
Unit Size Each


Product Overview

First responders, homeland security, the military, law enforcement, and forensic chemistry professionals can use the FirstDefender RMX Handheld Chemical Identification Analyzer, an all-optical Raman system.

Fast, Accurate Identification

Recognizes unknown liquid and solid substances swiftly

Built for Field Use

IP67 and MIL-STD-810G certified and tested.

Improved Automatic Mixture Analysis

Sophisticated algorithms automatically detect the presence of contaminated and mixed chemicals.

Point-and-Shoot Identification

Avoids coming into contact with potentially dangerous materials by operating directly through sealed glass or plastic containers.

Extensive Substance Library

The FirstDefender RMX Handheld Chemical Identification Analyzer can identify various substances, such as explosives, narcotics, precursors, chemical warfare agents, toxic industrial chemicals, white powders, and more.

  • Comprehensive on-scene hazard data is provided by the integrated NIOSH and CAMEO database.
  • Adaptable modes of operation include integrated vial mode, mount to specific tactical robots, and handheld point-and-shoot with fixed probe.
  • Fully functional within a broad temperature range of -20 to +50 °C (-4 to +122 °F).
  • Minimal training is necessary for menu-driven user interfaces.
  • Technical and return support is available for all units around the clock.
  • No planned calibration or maintenance.
  • Powered by 123a disposable batteries, a wall plug, or a rechargeable battery.
  • Sample integrity is maintained through non-destructive testing.

Other Equipment by this Supplier

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