Uv Analyzer Handheld Sgl/Dbl Wavelength , Each

Details:

Handheld uv analyzer^ handheld uv analyzer, provides single (365nm/365nm and 254nm/254nm)or double wavelengths, (365nm/254nm), take off the plug to shut down power when cleaning or repairing the instrument, do not look straight at the uv light, it may seriously hurt your eyes, uv window: 150 x 50mm