1. **Precision Measurement:** The WSB-L Whiteness Meter is designed to provide accurate measurements with a precision better than 1.5%, ensuring reliable results for paper whiteness testing and analysis. 2. **Advanced Display Technology:** Featuring a 3.5-digit LED display, our Paper Whiteness Tester offers clear and easy-to-read results, making it an essential instrument for laboratory use. 3. **Manual Calibration Options:** This Laboratory Whiteness Test and Analysis Instrument includes both manual zero correction and standard value correction via potentiometers, allowing users to customize their for optimal peormance. 4. **Stable Peormance:** With exceptional stability better than 0.2% and repeatability better than 0.3%, the WSB-L Whiteness Meter ensures consistent results across multiple tests. 5. **Compact and Efficient Design:** Measuring at 270 mm × 300 mm × 740 mm and weighing only 7kg, this lightweight instrument is easy to handle and for any laboratory environment., Manufacturer: SOYWIM