Cambridge Scientific
Used Lab Equipment

Used Lab Equipment

We offer an assortment of refurbished and used Spectrometers / Spectrophotometers ranging from Spectrofluorometer, Fluorescence, Atomic Absorption (AA), ICP, to UV / Vis / NIR Spectrometers and Microplate. Some of our popular manufacturers include Beckman, Perkin Elmer, HP, Hitachi, Varian and Bio-Tek. We have one of the largest inventories of Mass Spectrometers available. We also offer service contracts, installation and training. Browse our inventory of used mass spec products below.

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Milton Roy Spectronic 21D Spectrophotometer UV/Vis Reader

Milton Roy Spectronic 21D Spectrophotometer UV/Vis Reader

Cambridge ID #: 12631

Spectronic 21 Digital Model with UV Capabilities features linear digital readouts in % T, A, and concentration; push-button decimal selection; and an RS-232 interface port. Three-position sensitivity switch and the 100% T/zero A control let you select desired instrument gain setting. Digital display alerts you to out-of-range conditions.

 

Spectrophotometer includes a universal test tube/cuvette holder (accepts 10- to 26-mm pathlength test tubes or 1- to 10-mm pathlength rectangular cuvettes), twelve 10-mm pathlength test tube cuvettes, spare tungsten lamp, occluder block, operating manual, dust cover, and 3-ft cord with U.S. standard plug.

 

Specifications:

  • Bandwidth: 10 nm
  • Wavelength range: 200 to 1000 nm
  • Wavelength accuracy: >2 nm at 254, 365, and 546 nm
  • Photometric range: Transmittance: 00.0 to 100.0% T
  • Absorbance: 0.000 to 1.990 A
  • Concentration: 000 to 1990 C
  • Detector: Solid-state silicon
  • Output: 0 to 1.0 VDC; RS-232
  • Stray light: 0.05%T at 340 nm
  • Model: SPECTRONIC 21
  • Source lamp: Tungsten/deuterium
  • Display: 3-1/2-digit LED, 7/16" H
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Spectronic Genesys 5 Spectrophotometer Visible/Absorbance Reader

Spectronic Genesys 5 Spectrophotometer Visible/Absorbance Reader

Cambridge ID #: 17246

Handle a wide range of routine and complex applications—perform simple absorbance measurements, determine sample concentrations or run a rate analysis. 

Specifications:

  • Optical System: Split-Beam

  • Cell-Holder: 8-position, Microprocessor-Controlled

  • Communication Ports: RS-232-C (Serial) / Centronics-Compatible (Parallel)

  • Wavelength Range: 200 - 1100nm

  • Wavelength Accuracy: ±1nm

  • Wavelength Precision: ±0.5nm (ASTM E 275–83)

  • Photometric Readout: Absorbance, %Transmittance and Concentration

  • Photometric Range: -0.1 to +3.0A; 0 to 125%T; 0.001 to 9999

  • Photometric Accuracy: ±0.003A from 0 to 0.3A, ±1% of Reading from 0.3 to 2A, ±2% of Reading from 2 to 3A

  • Photometric Drift: 0.002A/hour at 340nm

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Thermo Spectronic Genesys 20 Spectrophotometer Visible/Absorbance Reader

Thermo Spectronic Genesys 20 Spectrophotometer Visible/Absorbance Reader

Cambridge Scientific ID #'s: 16869, 13375, 16872

Multiple purpose capabilities allow you to measure a wide range of analytes.

 

Features:

  • Compact footprint provides a space-saving, convenient system
  • Intuitive keyboard with integrated controls and LCD display
  • Routine measurements require just a few keystrokes
  • Direct measurement of routine absorbance or transmittance data
  • Concentration mode for single point standard or factor-based quantitative analysis
  • Bidirectional RS-232-C interface

 

Specifications

  • Optical System: Grating based, 1200 lines/mm
  • Spectral Bandwidth: <=8nm
  • Wavelength Range: 325 to 1100nm
  • Wavelength Accuracy: ±2.0nm
  • Wavelength: Readout: 20-character, 2-line LCD
  • Readout: Absorbance, %Transmittance, Concentration
  • Range:
    • -0.1 to +2.5A
    • 0 to 125%T
    • 0 to 1999C
  • Accuracy:
    • ±0.003A from 0 to 0.3A
    • ±1% from 0.3 to 2.5A
  • Noise (at 500nm): <=0.001A at 0A; ±0.004A at 2A
  • Drift: 0.003A/hour
  • Stray Radiant Energy: <=0.1%T at 340 and 400nm
  • Communication Ports
    • RS-232-C (serial)
    • Centronics-compatible (parallel)
  • Dimensions: 13L x 12W x 7 in.H (33 x 30 x 19cm)
  • Net Weight: 10 lb. (4.5kg)
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