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ISO 9001:2008

Outfitting Discerning Laboratories
for Less $$$ Since 1995.

  • ISO 9001:2008 Quality
  • 40-80% off Retail
  • Extended warranties available
  • Service Agreements available
  • Factory Trained Engineers
  • Rentals & Leasing
  • Installations & Training

Provable Quality Matters

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For 19 years GMI has removed 100% of the  risk in ‘buying used’ laboratory equipment.

GMI is a ISO 9001:2008 certified company – your proof that your instrument purchase from GMI  passes through rigorous refurbishing, recalibration, and recertification process.

Featured In Stock Used Lab Equipment

Beckman Optima TLX

The Beckman Optima™ TLX ultracentrifuge, is a tabletop model designed for a variety of high-speed applications. Along with operator

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Beckman Avanti J-20XP

The Beckman Avanti® J-20XP is a large-volume solution designed to increase laboratory throughput. This Beckman centrifuge is 

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Beckman Optima L-80 XP

The Beckman Optima™ L-80 XP Ultracentrifuge is designed to speed up the discovery process in research involving proteomics, cytomics

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Beckman Coulter Multisizer 3

Dubbed as the Cadillac of particle counters, the Beckman Coulter Multisizer 3 Coulter Counter is a versatile and well-crafted

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Agilent 5973 MS

The HP Agilent 5973 is a high performing mass selective detector that offers unmatched reliability for every use. This stand-alone

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Agilent 1100 DAD HPLC

The Agilent 1100 Series HPLC System is designed to continuously enhance the productivity of laboratories by providing consistent results

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Leica Autostainer XL

The Leica Autostainer XL is designed especially for routine staining in the histopathology laboratory. Featuring flexibility and reliability,

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Leica CM1800 Cryostat

The Leica CM1800 is a proven classic. A refurbished CM 1800 from GMI provides excellent economy and functionality

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GE AKTA Explorer 100

The GE AKTA Explorer chromatography systems, formally from Amersham Pharmacia Biotech offer fast and reliable solutions for developing and

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Packard Cobra Quantum 5002

Designed for both research and routine laboratory applications, the Packard Cobra Quantum 5002 Gamma Counter

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Beckman LS 6500

The Beckman LS 6500 Liquid Scintillation Counter is a high performing system that offers unparalleled flexibility.

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NBS BioFlo/CelliGen 115

GMI is proud to introduce the New Brunswick Scientific BioFlow/ CelliGen 115 the most capable and versatile entry-level

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Product Focus
Thermo Finnigan Trace GC

Thermo Scientific TRACE GC Gas Chromatograph

In Stock $7,995 SSL inlet and FID detector, includes computer with instrumentation control  and data analysis software.  Like new condition, fully tested and ready to ship.

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Molecular Devices SpectraMax Multimode Microplate Reader

The SpectraMax® dual monochronometer M5 Multi-Mode Microplate is one of the greatest do-it-all-in-one microplate Readers ever designed.  The M5 is capable of five modes in one platform: UV-Visible Absorbance (Abs), Fluorescence Intensity (FI), Time-Resolved Fluorescence (TRF), Fluorescence Polarization (FP), Luminescence (Lumi).

GMI has one ship ready, calibrated at over $30,000.00 off retail price!

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Molecular Devices SpectraMax m5e

Agilent 7500CE ICP MS System for Sale

Agilent 7500CE ICP/MS System

Agilent 7500CE Inductively Coupled Plasma Mass Spectrometer (7500 ICP-MS). In stock now at GMI. Installation available. ORS technology makes the 7500ce the most powerful ICP-MS available. The instrument of choice for easy, ppt-level quantification in the most challenging sample matrices.

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  • Unique He collision mode for reliable, predictable removal of unknown matrix interferences.
  • Nine orders dynamic range. Highest working quantification range of any ICP-MS (>1000ppm).
  • Sample introduction system and interface designed to handle high matrix sample types such as wastewater, soils, food, biomedical, petrochemical, and geological
  • The Agilent 7500ce is a quadrapole mass spectrometer that has low detection limits in the ppt range and high sample throughout for trace elemental analysis in solution samples.
  • A reaction cell that uses an off-axis octopole in He collision or H2 reaction gas mode reduces polyatomic interferences.
  • Includes Autosampler
  • In addition to normal operation mode, the system can be coupled to a liquid chromatography for speciation studies

Featured Used Lab Equipment



Clinical Analyzers


Flow Cytometry

Gamma Counters

GC Systems


HPLC Systems

Mass Spectrometers

Microplate Readers

Particle Counters

PCR/Thermal Cyclers

Scintillation Counters