Spectrometers
Built-in : Yes

Measuring range: 200 to 400 nanometers
Wavelength range: 200 to 400 nanometers
Focus length: 42mm
Weight: 20 grams
size: 10 * 10 * 8cm
: HPL220UV
Type: Single beam spectrometer

Illumination accuracy: 100 hours (fully charged)
Product name: UVC Measuring Instrument