The 3nh PS530 is a professional-grade spectrodensitometer tailored for fine printing measurement and rigorous quality control across high-end packaging, precision electronics, and film plate-making industries. Featuring a 45/0 circumferential uniform illumination optical system paired with high-precision nanometer spectrophotometric components, it accurately captures critical printing metrics—including optical density, dot area, dot gain, and trapping ratio—while supporting Netmetric network calibration to ensure inter-instrument data consistency across multi-line operations. The defining advantage of the PS530 lies in its 'High Precision and Full-Scenario Coverage': equipped with 7 measuring apertures (down to Φ1.5mm) to meet micro-area testing demands, and tight inter-instrument agreement within ΔE*ab 0.20 for fleet synchronization. Whether applied to fine packaging, electronic screen printing, or miniature components, PS530 delivers accurate, professional data for enterprise quality upgrading.
Supports complete printing parameter measurements, including optical density, density difference, dot area, dot gain, trapping, printing contrast, tone error, grayness, and plate analysis, supplying total digital quality management.

Equipped with 7 measuring apertures (Φ11mm, Φ10mm, Φ6mm, Φ5mm, Φ3mm, Φ2mm, and Φ1.5mm). The micro 1.5mm aperture accurately measures fine text, thin lines, and micro color patches, fulfilling demanding requirements in precision electronics and delicate component manufacturing.

Density repeatability ≤ 0.01D and colorimetric repeatability ΔE*ab ≤ 0.02 ensure trustworthy stability. Inter-instrument agreement controlled within ΔE*ab 0.20 guarantees consistency across different production lines, workshops, and facilities.

Full compatibility with ISO 13655 measurement conditions (M0, M1, M2, M3) and ISO Status T, E, A, I, M density standards to seamlessly integrate into international testing workflows.

Provides rich color space support (CIE LAB, XYZ, Yxy, LCh, Munsell, etc.) and color difference formulas (ΔE*ab, ΔE*94, ΔE*cmc, ΔE*00), alongside indices for whiteness, yellowness, metamerism index, dye strength, opacity, and blackness.

Seamless multi-device synchronization across Android, iOS, Windows, WeChat Mini-Program, and HarmonyOS with automatic report generation and one-click export.

Supports Netmetric network calibration, enabling accumulated measurement deviations caused by long-term instrument use to be corrected remotely over the network. It also allows systematic calibration and alignment of all instruments within an organization and across its supply chain, significantly reducing inter-instrument measurement variation. For group enterprises with multiple factories and production lines, Netmetric enables unified quality standards and centralized management across sites, substantially reducing communication costs and quality risks associated with cross-factory collaboration.

High-End Printing: Density and dot measurement for fine prints, micro-text, and thin-line printing plates.
Precision Electronics: Color testing for small plastic parts and electronic components.
Textile Dyeing & Printing: Color measurement, fastness rating, and print quality inspection for yarn and fine patterns.
Film Processing: High-precision film density testing and plate quality control.
Enterprise Groups: Unified printing quality standards management across multi-factory groups.

Model | PS530 |
Illumination Geometry | 45/0 (45° circumferential uniform illumination, 0° reception); Complies with ISO 5-4, CIE No. 15 |
Features | Versatile spectrodensitometer widely used for precise color measurement and quality control in ink printing, film processing, textile dyeing, plastics, and electronics. Ideal for optical density and dot gain measurement. |
Light Source | Combined LED light source, UV light source |
Spectrophotometric Mode | High-precision nanometer spectrophotometric component |
Sensor | Silicon photodiode array (dual-array, 16 groups) |
Wavelength Range | 400–700 nm |
Wavelength Interval | 10 nm |
Half Bandwidth | 10 nm |
Reflectance Range | 0–200% |
Reflectance Resolution | 0.01% |
Measurement Conditions | Complies with ISO 13655 conditions: M0 (CIE Illuminant A), M1 (CIE Illuminant D50), M2 (UV Cut), M3 (M2 + Polarizing Filter) |
Density Standards | ISO Status T, E, A, I, M |
Density Range | 0.0 D – 3.0 D |
Density Indices | Density value, density difference, dot area, dot gain, trapping, printing characteristics, print contrast, tone error and grayness, printing plate |
Measuring Aperture | Φ11mm,Φ10mm,Φ6mm,Φ5mm,Φ3mm,Φ2mm,Φ1.5mm |
Color Spaces | CIE LAB, XYZ, Yxy, LCh, CIE LUV, HunterLAB, s-RGB, βxy, DIN Lab99, Munsell |
Color Difference Formulas | ΔE*ab, ΔE*uv, ΔE*94, ΔE*cmc(2:1), ΔE*cmc(1:1), ΔE*cmc(1:c), ΔE*00, DINΔE99, ΔE(Hunter) |
Other Colorimetric Indices | Spectral reflectance, Whiteness (ASTM E313-00, ASTM E313-73, CIE, ISO2470/R457, AATCC, Hunter, Taube, Berger, Stensby), Yellowness (ASTM D1925, ASTM E313-00, ASTM E313-73), Tint (ASTM E313-00), Metamerism Index (MI), Color Fastness to Staining, Color Change Fastness, Color Strength (Dye Strength, Tinting Power), Opacity, 555 Tone Classification, Blackness (My, dM) |
Observer Angle | 2° / 10° |
Illuminant | D65,A,C,D50,D55,D75,F1,F2(CWF),F3,F4,F5,F6,F7(DLF),F8 ,F9,F10(TPL5),F11(TL84),F12(TL83/U30),B,U35,NBF,ID50,ID65,LED-B1,LED-B2,LED-B3,LED-B4,LED-B5,LED-BH1,LED-RGB1,LED-V1,LED-V2,LED-C2,LED-C3,LED-C5 |
Measurement Time | Approx. 1s |
Display Resolution | Density value: 0.001; |
Repeatability | Density: Within 0.01D |
Colorimetric: ΔE*ab within 0.02 (Average of 30 measurements on white plate at 5s intervals after warm-up & calibration - except M3) | |
Inter-Instrument Agreement | ΔE*ab within 0.20 (Average across 14 BCRA Series II color tiles - except M3) |
Measurement Method | Single measurement, Average measurement (2–99 times) |
Locating Method | Integrated physical positioning hole |
Dimensions | 170*75*91.7mm |
Weight | Approx. 600 g |
Battery Capacity | Rechargeable lithium battery; 5000 measurements within 8 hours |
Light Source Lifespan | 5 years or over 3 million measurements |
Display Screen | 3.5-inch TFT color capacitive touchscreen |
Interfaces | USB, Bluetooth |
Data Storage | 10,000 records |
Software Support | Android, iOS, Windows, WeChat Mini-Program, HarmonyOS |
Languages | Simplified Chinese, English, Traditional Chinese, Russian |
Operating Environment | 0–40°C, 0–85% RH (non-condensing), Altitude: Below 2000m |
Storage Environment | -20–50°C, 0–85% RH (non-condensing) |
Network Correction | Supports Netmetric |
Accuracy Guarantee | Guaranteed Metrology Compliance |
Standard Accessories | Power Adapter, Data Cable, Built-in Lithium Battery, User Manual, QC Software (downloadable), Black & White Calibration Box, Protective Cover, Polarizing Filter Box |
Optional Accessories | Micro Printer, Netmetric |
Remarks | Technical specifications are for reference only and subject to actual sales products. |
FAQs About PS530 Spectrodensitometer
Threenh Technology colorimeters provide a color deviation prompt function according to the Lab value, which can provide a reference for color matching. The handheld colorimeter can only indicate blacker, whiter, redder, greener, yellower or bluer, but it cannot provide accurate color formulas. Only with the help of a spectrophotometer and professional color matching software can fully realized automated color matching.
A haze meter is precise and accurate if the sample is clean, there is a light contamination, and the sample is condition.
In industrial production and quality control, color consistency is one of the core elements determining product quality. Whether it is the metallic paint for automobile coating, the dyeing effect of textile fabrics, or the ink matching in packaging and printing, subtle color deviations may lead to cost waste or damage to brand image.
The LAB color space defines colors with a three-dimensional model:
Lightness (L): It indicates the lightness or darkness of a color, ranging from 0 (pure black) to 100 (pure white).
Hue and Saturation (a and b):
The a-axis represents the red-green tendency, with positive values leaning towards red and negative values leaning towards green;
The b-axis represents the yellow-blue tendency, with positive values leaning towards yellow and negative values leaning towards blue.
It is a globally recognized standard and supported by most modern color measurement equipment. Color is quantitatively analyzed by measuring Lab values with instruments.
The main instruments used to detect color are spectrophotometers and colorimeters (including photoelectric integrating colorimeters).
Spectrophotometer: High-precision option. It analyzes the full visible light spectrum to measure color accurately. Suitable for complex scenarios like textured surfaces, special effect colors, or batch consistency checks in industries such as paint and coatings.
Colorimeter (Photoelectric Integrating Colorimeter): Cost-effective and portable. It uses RGB filters to measure tristimulus values directly. Ideal for quick color difference detection in simple applications. Key Selection Tip Choose based on accuracy needs: use a spectrophotometer for high-precision color measurement, and a colorimeter for fast, basic color difference checks.
Threenh Technology colorimeter is shipped with an operating instructions and video of English version.If you need an electronic version of the user manual, you can download it from our website download center
a. Check whether the USB cable is connected. If not, please connect it. Check whether the connection is effective. You can re-plug the USB cable to test.
b. If the USB cable is connected well but the interface still displays "USB Disconnect", please re-start the colorimeter and enter "Menu" -"Comm"to start the communication.
c. Change the USB cable or change the USB port in you PC.
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