Coleman 6/20 Junior II Optical Spectrophotometer Colimetry Tested Working
Wavelength range: 320 - 825 nanometers (nm)
Volts: 110/220
Cycles: 50-60
Watts: 140
Used, see photos. Works fine. Tested with oil and water and got realistic measurements. Great for a quick abs measurement. Not good for complete spectra or automated measurements.
