1.Professional measurement of light transmittance within 380nm‑760nm wavelength, suitable for testing the light transmission performance of various transparent and translucent materials. 2.The measurement range covers 0‑100% light transmittance, with clear and stable readings, providing accurate data for material testing and quality inspection. 3.Compact size of 130mm*70mm*28mm, lightweight and easy to carry, for on‑site testing, laboratory use and daily industrial detection. 4.Adopts single beam spectrometer design, simple operation and reliable performance, effectively meeting daily light transmittance testing requirements. 5.Powered by batteries (batteries not included), easy to replace and use, ensuring stable operation in different working environments., Manufacturer: ZKLGS