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Gemini™ Chemical Identification Analyzers Available on GSA/VA Contract for Federal Government customers only.

Identify unknown chemicals and explosives in the field quickly, safely, and confidently with the power of FTIR and Raman spectroscopy in a single handheld instrument.

Manufacturer:  Thermo Scientific 8000501201

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Catalog No. 18-001-146

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The Gemini Analyzer is the first and only integrated Raman and FTIR handheld instrument in the world, providing complementary and confirmatory testing in a single, field-portable device.

Better, faster decision making

  • Lightweight and compact, ideal for chemical battalions, explosive ordnance disposal (EOD) technicians and other first responders burdened with heavy equipment.
  • Virtual mixture analysis and interactive problem solving on scene with HazMasterG3.
  • Includes 24/7 reachback support with access to Ph.D. spectroscopists for spectral analysis and operational inquiries.

Increased confidence in results

  • Leverages both Raman and FTIR technology to address a broader range of samples than either technique alone.  
  • Identifies unknown solids and liquids, from explosives and chemical warfare agents to industrial chemicals and precursors using a comprehensive onboard library. 
  • Builds on the field-proven performance of Thermo Scientific™ FirstDefender™ and Thermo Scientific™ TruDefender™ Analyzers.

Safer operation

  • Includes a motorized anvil which adjusts sample pressure based on user settings.
  • Features Raman and FTIR Scan Delay to allow users to leave the hazard zone before initiating a scan.

Easier to use, enhanced efficiency

  • Guides the operator through technology selection and sampling with Scan Assist.
  • Customizable Profiles allow the operator to set scan parameters based on the sample, scenario and their situational awareness
  • Minimizes user error and eliminates subjective user interpretation.
  • Requires minimal training for proficiency.


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Gemini Analyzer
1.9 kg
SPC file (for use in standard spectroscopic software), text file, or JPEG report
2 years of support: reachback support, software updates and library updates
Certified to MIL-STD-810G and IP67; full test report available on request
4.2 lbs
FTIR: 4,000 cm-1 to 650 cm-1
Raman: 250 cm-1 to 2875 cm-1
−20°C to +50°C
FTIR: ATR diamond crystal, single bounce
Raman: NA= 0.33
10.1 in x 5.7 in x 2.4 in (25.6 cm x 14.6 cm x 6.1 cm)
Internal 3.7V lithium polymer (QTY 1) battery pack
Internal CR123A (QTY 3) batteries
DC wall adapter, 12 V DC 1.25 A
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