Introduction: The whiteness of objects or powders used to directly measure surface smoothness is designed to measure the whiteness of paper, plastic, starch, edible white sugar and building materials. According to the wavelength of the selected blue light filter, it can meet the requirements of GB5950, GB2931, GB8940.I and so on. The instrument adopts a slide type sample holder, liquid crystal digital display, manual correction, convenient operation, stable and reliable reading. Technical Parameters: Instrument model: WSB-L Lighting receiving method: 45 / 0 Languang Center Wavelength: 457nm Receiving method: Silicon photocell Measuring range: 0 %~120 % Zero correction: potentiometer manual Standard value correction: potentiometer manual Display mode: 3 and a half LED Accuracy: better than soil 1.5% 2 Repeatability: better than 0.3 Stability: better than soil 0.2% Minimum reading: 0.1% Power supply: 220 V ±22V, 50 Hz±1Hz Instrument size: 270mm × 300mm × 740mm Instrument net weight: 7kg
Introduction: The whiteness of objects or powders used to directly measure surface smoothness is designed to measure the whiteness of paper, plastic, starch, edible white sugar and building materials. According to the wavelength of the selected blue light filter, it can meet the requirements of GB5950, GB2931, GB8940.I and so on. The instrument adopts a slide type sample holder, liquid crystal digital display, manual correction, convenient operation, stable and reliable reading.