1. Use

Spectral projector is one of the complete sets of spectrograph equipment. It is mainly used for qualitative or semi-quantitative analysis of the spectral base plate captured by the spectrograph through projection and amplification with the standard spectral plate or the spectrum of known concentration. It can also be used as general projection magnification.

2. Principle

The light emitted by the light source is projected onto the base plate by a reflector and a condenser, illuminating an area with a diameter of 15 mm. The light path of the condenser is folded 55° by an aluminum-coated flat mirror. Thermal insulation glass is used to eliminate the influence of thermal radiation on the concentrating system. The projection objective lens projects the spectrum onto the projection screen through the plane mirror, and the special prism makes the wavelength scale keep upright when the latex side of the spectrum base plate faces upwards. Rotating the additional lens changes the magnification from 19.75x to 20.25x. A lens is added to image the filament on the projection screen, which is used to adjust the illumination intensity.

3. Specifications

Magnification: 20 times

Magnification adjustment range: 19.75 to 20.25 times

Projection screen effective diameter: 300mm

The horizontal movement distance of the table: 220mm

Longitudinal movement distance of table: 80mm

Light source: 12 volts 50 watts

Transformer: 220V/12V

Instrument weight: 41 kg

Dimensions: 780×660×850mm

Fourth, the complete set of instruments

1. 1 spectral projector

2. Lighting bulbs (12V 50W) 5pcs

3. 1 manual