Digital Mini-Chrommonochromatoris suited in different applications. It is known as a high performance instrument, which is used in physics,engineering and chemistry. This is also useful for life sciences applications and serves as a low cost solution. Offered Digital Mini-Chrommonochromator is an exclusive device made for precision wavelength. This is made to separate the color components of the light. It makes effective use of the optical dispersion phenomenon. Basically, it is a manually operated device,which uses digital counter for the selection of wavelength.