3NH KS-520 A flagship all-round model integrating 12 full apertures, fluorescence measurement, and small-area inspection. It delivers repeatability of ΔEab ≤ 0.025 and inter-instrument agreement of ΔEab ≤ 0.3. Equipped with a UV light source and nanoscale spectroscopic technology, it is supported by Class-I metrological certification for guaranteed accuracy. The 12 apertures include a dedicated 1×3 mm size for small areas, making it suitable for flat surfaces, curved surfaces, micro components, and a full range of sample types. It supports multi-system collaboration and cloud data management, meeting complex color measurement needs across industries such as plastics and electronics, textile dyeing, and precision manufacturing.

Full-Form Adaptability

1.Comprehensive Form Coverage

Equipped with 12 full-spec apertures (including a 1×3 mm micro model), specifically: 3 mm flat tip, 3 mm pointed tip, 5 mm flat tip, 5 mm pointed tip, 6 mm flat tip, 6 mm pointed tip, 10 mm flat tip, 10 mm pointed tip, 11 mm flat tip, 11 mm pointed tip, 1×3 mm flat tip, and 1×3 mm pointed tip. Covers everything from conventional samples to precision micro parts, accommodating flat surfaces, curved surfaces, textured surfaces, and various sample geometries.

2.Wide Sample Compatibility

Equipped with a UV light source and full-spectrum LED, it accurately measures both conventional materials and fluorescent samples, delivering broader application versatility.

3.Multiple Color Spaces & Observation Light Sources

It supports a wide range of color spaces including CIE LAB, XYZ, Yxy, LCh, CIE LUV, s-RGB, HunterLab ,βxy,DIN Lab99，as well as numerous observation light sources such as D65,A,C,D50,D55,D75, F1,F2(CWF),F3,F4,F5, F6,F7(DLF),F8 ,F9,F10(TPL5),F11(TL84),F12(TL83/U30),U35,NBF,ID50 and ID65This enables specialized measurement requirements under various conditions.

Precision Measurement

1.High-Precision Performance with Accurate and Stable Data

Repeatability ΔEab ≤ 0.025 and inter-instrument agreement ΔEab ≤ 0.3 ensure consistent color across production batches. The dual-beam optical system monitors light source energy fluctuations to effectively reduce measurement interference, further enhancing stability and repeatability.

2.Industry-Standard D/8 Geometry with SCI/SCE Technology

Adopts D/8 illumination and viewing geometry with SCI/SCE technology, meeting color management requirements in industries such as coatings, textiles, and plastics, and complying with international standards including CIE, ISO, and ASTM.

3.Accredited Metrological Certification

Certified as Class-I metrological grade. Each instrument undergoes rigorous verification before shipment, with measurement data traceable to the national metrology institute, ensuring the authority of test results.

Flagship-Grade Hardware and Quality Control

Core Optical Components

Silicon Photodiode Array：

Features a dual-row 18-group silicon photodiode array. The large-area design ensures no saturation under strong light while maintaining high sensitivity under weak light. The spectral response covers 400-700 nm at 10 nm intervals, with a reflectance measurement range of 0-200%, accurately capturing visible light information.

Nanoscale Integrated Spectroscopic Device

Delivers nanoscale spectroscopic resolution, precisely separating light at different wavelengths to ensure high data accuracy across all spectral bands.

Full-Band Balanced LED Light Source + UV Light Source

The illumination source covers the full 400-700 nm spectrum, providing sufficient spectral distribution across the visible range to avoid gaps common in standard white LED sources. The integrated UV light source enables easy measurement of fluorescent materials, further enhancing measurement accuracy.

Convenient Operation and Intelligent Interaction

1.Ergonomic Design and Easy Measurement

Ergonomically designed housing with a large touchscreen, optimized grip, and well-placed measurement button to accommodate different user preferences.

2.Precise Positioning and Calibration

Stabilizer Plate + Camera Framing Positioning

Provides a clear view of the measurement area. The dual positioning system uses a stabilizer plate along with real-time camera framing to accurately determine whether the target area is centered, ensuring precise positioning and reducing measurement errors.

Non-Contact Automatic White Calibration

Supports non-contact automatic white calibration. The professional-grade white calibration plate features reflectance R% ≥ 95%, excellent surface uniformity, and high stability, delivering repeatable and accurate data.

3.Multi-Platform Compatibility and Data Connectivity

Compatible with multiple operating systems including Android, iOS, Windows, and HarmonyOS. Users can operate the instrument via mobile app, WeChat mini-program, or computer, enabling cross-device data synchronization.

Powerful Expansion and Collaborative Management

1.Cloud Storage and Collaborative Management

Supports synchronized storage of massive color data via the mobile app and WeChat mini-program (up to 500 standard samples), enabling a private cloud database. Eliminates the need to carry physical color cards, allowing seamless sharing with partners anytime, anywhere.

2.Professional Color Management Software

Comes with quality management software compatible with multiple platforms including Android, iOS, Windows, WeChat mini-program, and HarmonyOS, as well as a color matching cloud platform. The software enables test report generation, color difference comparison, and customizable color management workflows, meeting industrial-level quality control requirements