Designed specifically for use in school science laboratories. Inside are four different coloured internal LED’s. This covers the red, yellow, green and blue bands of the light spectrum, however an internal slider allows LED selection with no added individual colour filters to be fitted. The internal microprocessor circuitry performs automatic zero calibration, range changing and LED controlling functions. Reading accuracy +/- 2%.
Portable option requires a 9-volt battery but also has a built-in socket for a mains adaptor (not supplied).
1x Colorimeter 230 x 100 x 40mm. 1x shroud to eliminate light. 6x standard cuvettes. 3x test tubes. 1x 9-volt battery. Instructions included.