3nh ST50: The Professional Spectrophotometer for Ultra-Precise Color Measurements
The 3nh ST50 spectrophotometer is a high-end color measurement solution engineered to deliver exceptional accuracy in quality control processes. Widely used across multiple industries—including plastics, textiles, ceramics, printing, inks, and paints—this device ensures true color fidelity where it matters most.
It features D/8 optical geometry compliant with international standards (CIE, ISO, ASTM), and offers dual SCI and SCE readings, allowing full evaluation of color with or without gloss. This dual reading is performed in just 1.5 seconds, maximizing productivity without compromising precision.
The ST50 is equipped with a large-area photodiode sensor, featuring 20 dual-column groups, which ensures a wide and balanced spectral response—even under variable lighting conditions. Its full-spectrum LED light source covers the entire visible range (400–700 nm), eliminating spectral gaps and allowing accurate measurement of fluorescent materials. An integrated UV light source expands the scope of analysis.
Thanks to its built-in camera, the ST50 enables real-time, accurate positioning of the measurement area. This functionality eliminates centering errors and ensures the target area is perfectly aligned with the sensor. Its automatic non-contact calibration system, combined with a professional-grade imported white reference plate, offers excellent stability, wear resistance, and protection against contamination. The device also includes a clean storage base that protects the white plate when not in use.
The ST50 supports eight color spaces (CIE LAB, LUV, XYZ, sRGB, Munsell, etc.) and 41 types of standard and customizable illuminants via software. It provides an extensive range of colorimetric indices, including WI, YI, metamerism index, opacity, 8° gloss, color strength, CMYK density, 555 classification, and more. With broad compatibility—Android, iOS, Windows, Harmony OS, and WeChat mini-programs—and a 3.5-inch TFT touchscreen for smooth navigation, the ST50 offers outstanding usability.
Designed for longevity, it delivers over 8,800 measurements on a single 8-hour charge, features expandable memory, and its light source lifespan exceeds 10 years. This makes the ST50 an essential tool for professionals requiring fast, reliable, and comprehensive color analysis in demanding industrial environments.
