DRK908F Yarn Evenness Evaluation Platform (Blackboard Method) uses the comprehensive evaluation method to evaluate the yarn evenness and appearance quality on the blackboard compared with the yarn appearance quality of the standard sample to evaluate the appearance quality of the yarn on the blackboard. Standards compliant: GB/T9996.1 and other standards. Features: 1. The sample table is processed with imported special profiles, the material is light and the surface is smooth; 2. The reflector inside the instrument is processed by electrostatic spraying; 3. The lamp tube is easy to install and replace. technical parameter: 1. Light source: white fluorescent tube, 30w, illuminance ≥600lx (2 tubes); 2. The illumination angle of the light source: 40; 3. Blackboard size: 250mm×180mm×2mm; 4. Grading table: 2 stations; 5. Power supply: AC220V, 50Hz, 60W; 6. Weight: 20kg;