Thermo Spectronic Genesys 20 Spectrophotometer Visible/Absorbance Reader


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



  • 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



  • 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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