Features: Using manual scanning, through the scale and the drum to read the wavelength, simple operation, easy to read, practical, good reliability. By manual, deepen the students' impression. Technical parameters Wavelength range: 200 nm to 800 nm Wavelength repeatability: 0.2 nm or less Relative aperture: D/F = 1/7 Wavelength accuracy: + / - 0.4 nm The focal distance: 300 mm
Features: Using manual scanning, through the scale and the drum to read the wavelength, simple operation, easy to read, practical, good reliability. By manual, deepen the students' impression.
