Coleman Instruments 6/20 Junior II Optical Spectrophotometer Tested Working
Wavelength range: 325 - 825 nanometers (nm)
Volts: 110/220
Cycles: 50-60
Watts: 140
Used, see photos. Tested with water and oil, and has reasonable absorption measurements. Old manual style. Great for a quick abs measurement! Not good if you need full spectra or automated workflow.
