Demonstration diffraction grating ,made in UK
comprises grating of 100 lines/mm ,300 lines/mm and 600 lines/mm
Quality grating made in UK , 600 lines/mm
mounted overall dimension 50mm x 50mm
Quality grating made in UK , 300 lines/mm
mounted overall dimension 50mm x 50mm
Quality grating made in UK , 80 lines/mm
mounted overall dimension 50mm x 50mm
Quality Diffraction grating , 100 lines /mm ,made in UK
DDS signal Generator
£255.00
DDS (direct signal synthesis) signal generator provide power signal with very accurate frequency accuracy, typical accuracy is +/-0.01%
best for sound wave beats experiment .
Powerful output throught 4 ohm low imdeance output
Attenuation of x1 ,x0.1 x 0.01 can be applied to 600 ohm high impedance output
provide sine wave , square wave and triangular wave