Thermo Scientific™ GENESYS™ 20 Visible Spectrophotometer

This product has been discontinued. Please check out the newest visible spectrophotometer, the Thermo Scientific™ GENESYS™ 30.

Manufacturer: Thermo Scientific™ 4004000

 View more versions of this product

Catalog No. 14-385-459


This item has been discontinued by the manufacturer and is no longer available. Please call customer service for assistance: 1-800-766-7000.  View substitute products »


    Warranty 1 year
    Description GENESYS 20 with external miniprinter
    In Germany, France and Spain use Catalog  #840-254300
    Detector Type Silicon photodiode
    Display 20 character, 2 line LCD
    Lamp Tungsten-Halogen (typical service life 1000 hours)
    Noise ≤0.001A at 0A ≤0.004A at 2A, 500 nm
    Photometric Accuracy Instrument ±0.003A from 0.0 to 0.3A1.0% from 0.301A to 2.5A, NIST 930D filters
    Photometric Range -0.1-2.5A; 0-125%T, 0-1999C
    Photometric Readout Absorbance, % Transmittance, Concentration
    Weight (Metric) 4.5 kg
    Width (English) 12 in.
    Depth (English) 13 in.
    Depth (Metric) 33 cm
    Drift 0.003 A/hr
    Height (English) 7 in.
    Height (Metric) 19 cm
    Spectral Bandwidth ≤8 nm
    Type GENESYS 20 with external miniprinter
    Weight (English) 10 lb.
    Width (Metric) 30 cm
    Electrical Requirements Selected automatically;120V
    Hertz 50/60 Hz
    Includes External mini-printer with all necessary cables and power supply
    Interface RS-232-C (serial)
    Optical Design Single beam
    Stray Light <0.1%T at 340 nm and 400 nm
    Voltage 120V
    Wavelength Accuracy ±2.0 nm
    Wavelength Range 325 - 1,100 nm

    This product has been discontinued. Please check out the newest visible spectrophotometer, the Thermo Scientific™ GENESYS™ 30.

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

    Precise and Reliable

    • 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
    • Optional holders for test tubes and long path cells to 50mm
    • User-selectable choice of five languages (English, French, German, Spanish, Italian)
    • Bidirectional RS-232-C interface

    Low Cost of Ownership

    • Cleanable, chemical-resistant surfaces and rugged design withstands harsh laboratory environments
    • Few moving parts; virtually maintenance-free operation
    • Choose instrument with or without integral printer


    10mm cell holder, dust cover, and U.S. power cord.


    Fisher Service Division offers several types of service agreements for the equipment featured here. For details on these agreements, equipment repairs, and calibration services, see the front of the catalog. For immediate assistance, call 1-800-395-5442.

  • Description & Specifications
  • Accessories

Related Products

Product Content Feedback

We continue to work to improve your shopping experience and your feedback regarding this content is very important to us. Please use the form below to provide feedback related to the content on this product.

Product Title

By clicking Submit, you acknowledge that you may be contacted by Fisher Scientific in regards to the feedback you have provided in this form. We will not share your information for any other purposes. All contact information provided shall also be maintained in accordance with our Privacy Policy.

Cancel Submit