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The S1200 Spectrawave visible diode array spectrophotometer has been designed to meet the routine spectroscopy needs of customers requiring a small, light weight instrument that is easy to use.

The benefits of diode array technology include the facts that as there are no moving parts there is both high reliability and low maintenance; also, since the sample compartment is open, there is no restriction on the height of test tubes that can be inserted.

Compared to equivalent units on the market, the S1200 offers so much more; ideal for use in educational, biotech or industrial establishments, the S1200 measures absorbance, % transmission, absorbance ratio and concentration. The large backlit graphical display enables avelength scans, kinetic assays (including slope calculation) and standard curves to be viewed. The instrument is delivered with Grafico, a PC utility software package, and the requisite serial lead, providing the user with the means to capture, print and store data from the instrument onto a PC so that a results log may be built up or data exported to Excel. Alternatively graphics may be printed to either the S1000P or the industry standard Seiko DPU-414 printer for a permanent record plus kinetics data may be output to chart recorder. The S1200 accepts standard 10 mm pathlength glass or plastic cuvettes; a test tube adapter set is available, and this enables COD measurements to be made using standard 16mm diameter test tubes. The cell holder can be removed for cleaning. Another version of the instrument, the WPA S1200T, is available which has a factory fitted electrically heated cell holder for thermostatted measurements at 37 °C.


  • 7nm Single beam diode array visible spectrophotometer covering 330-800nm
  • Wavelength scan, kinetics and standard curve functionality with full graphics
  • Up to 99 method storage
  • Compact, easy to use, service, clean and store
  • Grafico PC utility software included


  • A Powerful Tool for Science Education
  • Versatile
  • Low maintenance
  • Choice of print outputs: Delivered with the S1200 Spectrawave is Grafico, a PC utility software package (and serial lead), providing the user with the option to capture, print and store data from the instrument onto a PC so that a results log may be built up or data exported to Excel.


Wavelength selection: monochromator
Type: Visible
Wavelength Range: 330 - 800nm
Wavelength Accuracy (+/-): 2nm
Wavelength Reproducibility (+/-): 1nm
Light source: Tungsten Halogen
Beam: Single Beam
Optical System: Monochromator
Bandwidth: 7nm
Detector: Fast diode array
Photometric Range: -0.300 to 2.500A, 0.3 to 199%T 
Photometric Accuracy: +/- 0.003A at 0-0.5A at 546nm
Stray Light: <1%T at 340nm 
Stability: 0.005A/h at 0A at 546nm 
Spectral Scanning: yes
Measurement Type: Fixed Wavelength, Abs/%T, Abs ratio, Abs difference, concentration (standard curve), concentration (factor), kinetics 
Cell Compatibility: Cuvette 10mm, Microcell* 
Other Sample Containers: Test tube (10,12,16mm)
Cell Holder: Single Cell
Accessory Options: Printer
Temperature Control: Electrical* 
Method Storage: 99 methods 
Regulatory Compliance: CE
Printer: External via Export, Serial* 
Data Output: Print*, Export to PC
Display: Graphical LCD 
Export/ Data Storage: Serial Cable
Data Interface: Serial
Languages: English, Manuals in French, German, Italian and Spanish
Power Requirements: 90-265, 50/60 Hz, 15VA
Weight: 1.75Kg (3.85lb)
Dimensions: 22 x 27 x 12cm (8.7 x 4.7 x 10.6 inches) 
Certification: CE