CHN SPEC Ex Max Spectrodensitometer (45/0, dE*ab≤0.25)

CHN SPEC Ex Max Spectrodensitometer (45/0, dE*ab≤0.25)

The CHN SPEC Ex Max spectrodensitometer is a next-generation premium handheld color and printing density measurement instrument (Handheld Spectrodensitometer) manufactured by CHNSpec. Featuring a perfect combination of precise spectrophotometry technology and advanced color density analysis algorithms, the Ex Max serves as an optimal quality control tool, specifically engineered to meet the most stringent standards in the printing, packaging, and industrial color manufacturing sectors.

Outstanding Technological Features

• Standard 45/0 Illumination Geometry: The device utilizes a standard 45-degree illumination and 0-degree viewing optical structure (or vice versa), accurately replicating how the human eye perceives color on flat materials. This geometry strictly complies with rigorous international printing industry standards such as ISO 5-4 and ANSI PH2.17, effectively eliminating discrepancies caused by surface gloss effects.
• Exceptional Precision (Inter-Instrument Agreement dE*ab≤0.25): The instrument boasts an exceptionally low inter-instrument agreement of less than or equal to 0.25. This rating ensures that color data measured across different Ex Max units within the same supply chain or across various manufacturing plants remains highly consistent and reliable.
• Multifunctional Integration of Colorimetry and Densitometry: The Ex Max is not merely a standard spectrophotometer, but also a professional densitometer. It can fully measure all key print parameters, including: CMYK color density, tone value increase (Dot Gain), dot area percentage, print contrast, and ink trapping.
• Visual Camera Positioning: Equipped with a real-time measurement area positioning camera, the Ex Max allows operators to clearly view the target zone on color bars or micro-details on products, ensuring the measurement target is never missed or off-center.
• Smart Touch Screen and Large Capacity Battery: The interface features a smooth-operating touch screen with intuitive graphical displays, enabling easy operation for technicians. Combined with a high-capacity rechargeable battery, the device can conduct thousands of continuous measurements per full charge, comfortably matching the pace of demanding workshop workflows.

Technical Specifications:

Measurement/illumination aperture: Φ2mm/5mm，Φ1.5mm/3mm

Battery capacity: One single charge can continuously measure 8,000 times, 7.2V/3000mAh

Density range: 0.0 D–3.0 D

Density standards: Status A, E, I, T, M

Standards compliance: ISO 5-4:2009(E), ISO 13655:2017, CIE No. 15

Device display: 3.5-inch full-color screen

Supported languages: Simplified Chinese, English

Light source: Balanced full-band LED light source + UV

Measurement modes: M0, M1, M2, M3

Measurement geometry: 45/0

Measurement time: Approx. 1.5 seconds

Measurement repeatability: Density value: ≤0.001D, chromaticity value: dE*ab≤0.03

Wavelength interval: 10nm

Wavelength range: 400-700nm

Light source lifespan: 1 million measurements over 10 years

Data storage: 100 master standards, 10,000 test samples; APP: Large-capacity storage

Spectroscopy method: Grating

Sensor: High-precision dual-row CMOS array sensor

Reflectance measurement range: 0-200%

Reflectance resolution: 0.01%

Software support: Android, iOS, Windows, WeChat Mini Program

Accuracy guarantee: Certified for first-class metrological compliance

Display accuracy: Density value: 0.001, Chromaticity value: 0.01

Observer angle: 2°，10°

Print quality indicators: CMYK color density (A, T, E, M), dot area, dot area gain, trapping ratio, print contrast, grayscale, color error

Inter-instrument agreement: dE*ab≤0.25

Measurement indices: Spectral reflectance, CIE-Lab, CIE-LCh, HunterLab, CIE-Luv, XYZ, Yxy, RGB, color deviation (ΔE*ab, ΔE*cmc, ΔE*94, ΔE*00), whiteness (ASTM E313-00, ASTME313-73, CIE ISO2470/R457, AATCC, Hunter, Taube Berger Stensby), yellowness (ASTMD1925, ASTME313-00, ASTM E313-73), blackness (My, dM), tint (ASTM E313-00), CMYK color density (A, T, E, M), Milm metamerism index, Munsell, opacity, strength (dye strength, tinting strength)

Illuminants: A, B, C, D50, D55, D65, D75, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, CWF, U30, U35, DLF, NB F, TL83, TL84, ID50, ID65, LED-B1, LED-B2, LED-B3, LED-B4, LED-B5, LED-BH1, LED-RGB1, LE D-V1, LED-V2

Practical Applications

The CHN SPEC Ex Max is an indispensable device in quality monitoring workflows, ranging from raw material inspection and ink formulation to final product verification:

• Offset and Flexographic Printing Industry: Measuring check color bars on prints, controlling CMYK ink film thickness, and auditing dot gain to ensure that printed images remain sharp, crisp, and free from blurring or lost details.
• Packaging and Label Manufacturing: Ensuring that brand logos and product box colors remain 100% consistent across different production batches, eliminating color drift that could compromise brand identity.
• Ink Manufacturing Industry: Assisting laboratory technicians in formulation processes, validating ink density, and checking color tolerance data against client master samples.
• Prepress and Graphic Design: Validating press proofs (Proofing) prior to initiating mass-production runs on industrial printing equipment.

The CHN SPEC Ex Max is a powerful, precise, and versatile handheld spectrodensitometer. Optimized for factory floor environments and delivering top-tier accuracy, it enables printing enterprises to minimize defect rates, reduce ink formulation times, and enhance product quality reputation with business partners.