The DuBan Whiteness Meter DB22-226 is primarily used for directly measuring the whiteness value of flat-surfaced objects or powders. It can be widely applied in textiles and dyeing, paints and coatings, chemical building materials, paper and cardboard, plastic products, white cement, ceramics, enamel, talcum powder, starch, flour, salt, detergents, cosmetics, and other materials for whiteness measurement.
This instrument undergoes strict testing and calibration, complying with the JJG 512-2002 Verification Regulation for Whiteness Meters, and meets standards such as GB3978, GB3979, GB7973, GB7974, ISO2470, GB8904.2, QB1840, GB2913, GB13025.2, GB1543, ISO2471, GB10339, GB5950, GB12911, GB2409, among others.

* It consists of a light source, optical system, detection system, and data processing and display system. The whiteness calculation formula for this instrument is blue light whiteness R457.
* Utilizes high-quality imported components for excellent reliability. Features a rational and streamlined optical design.
* Employs a corrected filter system to quantitatively reflect the whiteness value after fluorescent brightening.
* No warm-up time required after powering on; simple calibration allows immediate measurement, making operation easy.
* Equipped with data storage and retrieval functions, capable of storing up to 254 sets of data.
* Communicates with PCs via "USB data cable output" and "RS-232 data cable output".
* Offers the option of "Bluetooth data output".