LS116 light transmittance meter is used for measure percentage of light transmitted through transparent material (such as glass, plastic substrates etc.). This meter is self-contained light sources and self -calibration. No manual adjustment is needed. Parameter 1. Instrument Size: 130mm*70mm*28mm(L*W*H） 2. Sample diameter: > 10mm 3. Weigh: 500g (exclude batteries) 4. Resolution: 0.1% 5. Accuracy: ±1% (Colorless and transparent material) 6. Visible light wavelength: 380nm-760nm ( Full Weighted Spectrum) 7. Battery: 4*AAA alkaline battery Feature 1. The light transmission meter has High repeatability and resolution 2. auto-calibration and simple calibration 3. High quality certified optical system for transmission value measurement 4. Simple and ease operation.