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                    WSB-2 Desktop Digital Whiteness Meter
                
      
                
      
                    
                
      
                
      
                    
                        
      
                        
      【product description】
      

      It is used to determine the whiteness and optical properties of textiles, silk, paper, paint, cotton, chemical fiber, ceramic building materials, and daily chemical materials.
      

      【Standards compliant】
      

      GB2913, GB5950, GB89401.1, GB12097, GB13025.2 and other national standards
      

      【technical parameter】
      

      1. Measuring range: 0-199
      

      2. Baidu formula: Blu-ray Baidu WB = R457
      

      3. Illumination conditions: LED light source
      

      4. Display: LCD liquid crystal display
      

      5. Measuring aperture: Φ30mm
      

      6. Resolution: 0.1
      

      7. Zero drift: ≤0.2/10min
      

      8. Measurement repeatability: ≤0.3
      

      9. Ambient temperature: +5℃～+35℃
      

      10. Relative humidity: ≤85%RH
      

      11. Power supply: 220V, 50Hz
      

      12. Weight: 6.5KG