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                    WSB-3A Intelligent Digital Whiteness Meter
                
        
                
        
                    
                
        
                
        
                    
                        
        
                        
        【Standards compliant】
        

        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】
        

        ISO2469 JJG512/48
        

        【technical parameter】
        

        1. Measurement content: ISO whiteness (ie R457 blue whiteness), fluorescent whiteness
        

        Transparency (T) and lightness stimulus value (V10)
        

        Determine opacity (0)
        

        Scattering coefficient and absorption coefficient
        

        2. Test hole diameter: Φ32mm
        

        3. Basic error: <0.5%
        

        4. Indication error: ≤1.0%
        

        5. Mirror reflection: <0.1
        

        6. Zero drift: ≤0.1%/30min
        

        7. Indication drift: ≤0.2%
        

        8. Power source: Ac220V+10% 50Hz 50w
        

        9. Dimensions: 370×190×380mm
        

        10. Weight: 15Kg