Spectrometer

VTSYIQI Blue Light Spectral Illuminance Meter Blue Light Spectrum Analyzer with Wavelength Range 380nm～780nm Parameters Blue Light Hazard Radiation Coefficient Kbv Skin Thermal Exposure Limit EH

VTSYIQI Retinal Blue Light Hazard Spectrometer Blue Light Spectroscopic Spectrometer with Wavelength Range 380nm～780nm Measurement Parameters Retinal Blue Light Hazard (300nm-700nm) Retinal Heat Hazard (380-800nm) Etc

VTSYIQI Blue Light Spectrum Analyzer Retinal Blue Light Hazard Spectrometer with Wavelength Range 380nm～780nm Measurement Parameters Maximum Radiation Exposure Time tmax(S) Blue Light Hazard Radiation Coefficient Kbv Etc

VTSYIQI Plant Spectrometer Spectrum Color Plant Growth lamp Tester with Wavelength Range 350nm-800nm Spectral Bandwidth(FWHM) 2nm 5-inch Touch Screen Built-in Lithium Battery Chromaticity Diagram TM-30

VTSYIQI Plant Spectrometer Spectral Illuminance Meter Color Plant Growth Lamp Tester with Wavelength Data Output Interval 1nm Wavelength Range 350nm-800nm Wavelength Accuracy ±0.5nm for Grow Lights Plant Lights Plant Lamp Test

VTSYIQI Plant Light Spectrometer PPFD PAR Plant Light Tester Spectrum Analyzer with High-Precision CCD Sensor Measurable Items Plant Parameters PPDF PPDFuv Euv Er Tc lx Built-in Large Storage Wavelength Range 350nm-800nm