Tianjin the Huayin Construction Engineering Instrument Technology Co., Ltd. BGD-412 transparency meter Overview BGD-412 transparency tester is designed according to GB 1721 "varnish, oil and thinner appearance and transparency Determination Act made. The instrument is a new generation of TMD transparency meter products, higher test accuracy (± 1%), and test a wider range (0.0% to 125.0%). BGD-412 type do not require any standard reagents, often simple to use, convenient, and the amount of the level of transparency of the products to improve this national standard. Second, test the principle of the use of substances selective absorption of different wavelengths of light presented to the qualitative and quantitative analysis of the substance. If the test solution is completely transparent, when a bunch of orientation to the incident light I through the solution can be detected to the directional light intensity of the transmitted light IC; if the solution to varying degrees of turbidity, when the directional incident light I through a solution, will generating light diffusion, and thus orientation of the IC of the light of the transmitted light intensity decreases, so long as accurate measurement of the orientation of the transmitted light IC light levels, will be able to quantitatively reflect the transparency of the solution. The main technical parameters 3.1 Optical system: single beam optical path, 1200 / mm diffraction grating 3.2 Display: LCD display the 3.3 wavelength range :340-1000nm adjustable 3.4 light source: tungsten halogen lamp 3.5 transmittance accuracy: ± 1% 3.6 transmittance repeatability: ± 0.5% 3.7 transmittance tests range: 0.0% to 125.0% 3.8 transmittance stability: ± 0.5% / 3min 3.9 Power: AC 220V ± 22V 50Hz ± 1Hz 3.10 Dimensions: 475 342 150nm