The automatic zero and calculations are performed by the internal microprocessor. Light source is internal and can be selected as Blue: 470nm, Green: 525nm, Yellow: 591nm, Red: 625nm. Operates from 9V battery for full portability, but can be run from standard 240/12V.AC. Plug Pak if battery is flat. 'Lo Batt' indication is provided.
Supplied with:
- 1x Colorimeter instrument with accuracy within +/- 2%
- 1x Two piece tubular shroud to eliminate ambient light
- 6x Small square standard cuvettes (plastic)
- 3x Standard glass test tubes 15-16mm diameter
- 1x 9V type 216 transistor battery
- 1x Instruction sheet including several experiments