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PS528 Spectrodensitometer

PS528 Spectrodensitometer Instructions Operating Manual PS528 Spectrodensitometer PDF
This PS528 Instrument are Certified with
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1 Years Warranty (Additional support period of 3 years)

The 3nh PS528 is a versatile spectrodensitometer specifically engineered as a quality control workhorse for ink printing, film processing, textile dyeing, and plastics electronics industries. Featuring a 45/0 circumferential uniform illumination optical system combined with high-precision nanometer spectrophotometric components, it accurately measures key printing metrics such as optical density, dot area, dot gain (TVI), and trapping efficiency, facilitating the transition from experience-based judgment to digital data management. The core advantage of the PS528 lies in its 'Multi-Purpose Versatility, Precision, and High Efficiency': equipped with 5 measuring apertures to cover full-scenario requirements from large color blocks to fine graphics, rapid 1-second measurement drastically enhances testing throughput, while 0.01D density repeatability ensures stable and dependable results. Delivering professional and accurate data for rapid on-site spot-checking, PS528 is an indispensable asset for cost reduction, efficiency enhancement, and quality optimization.


1. Professional-Grade Density Measurement Across Printing Workflows

Precisely measures critical indices including density value, density difference, dot area, dot gain, trapping, printing characteristics, print contrast, tone error and grayness, and printing plates. Supports color spaces like L*a*b and Lc*h* to satisfy comprehensive quality control needs from incoming ink verification to plate-making and pressroom management.

Professional-Grade Density Measurement Across Printing Workflows


2. Five Interchangeable Apertures for Flexible Adaptation

Equipped with 5 measuring apertures: Φ11mm, Φ10mm, Φ6mm, Φ5mm, and Φ3mm. Users can flexibly select apertures based on sample dimensions, seamlessly handling large color patches down to small graphic elements with a single versatile device.

Five Interchangeable Apertures for Flexible Adaptation


3. High Precision, Stability, and Reliability

16 sensor groups acquire spectral data across the 400–700 nm visible spectrum at 10 nm intervals, ensuring precise measurement across dark inks, light inks, and spot colors. Density repeatability ≤ 0.01D and colorimetric repeatability ΔE*ab ≤ 0.02 guarantee consistency, eliminating misjudgments and maintaining unified QC standards. Identify potential quality issues accurately before shipment, reduce the risk of defective products reaching customers, and minimize customer complaints

High Precision, Stability, and Reliability


4. High-Speed Measurement Elevating Production Throughput

Single measurement speed of ~1 second, with support for 2–99 average measurement modes to eliminate sample non-uniformity errors. Onboard memory for 10,000 data records enables robust data traceability during high-volume testing.

High-Speed Measurement Elevating Production Throughput


5. Multi-Platform Software Support for Seamless Data Management

Provides multi-terminal synchronization across Android, iOS, Windows, WeChat Mini-Program, and HarmonyOS. Features automated report generation and one-click export for effortless data analysis.

Multi-Platform Software Support for Seamless Data Management


Target Industry Applications

Ink Printing: Measurement and quality control of optical density, dot gain, trapping ratio, and print contrast.

Film Processing: Film optical density testing and printing plate quality control.

Textile Dyeing & Printing: Color fastness rating, color difference evaluation, color formulation management, and print quality control.

Plastics & Electronics: Color testing and cosmetic appearance quality control for plastic and electronic components.



Model

PS528

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. Especially suited 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

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 0.25 (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

/

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

Remarks

Technical specifications are for reference only and subject to actual sales products.



Our Valued Clients

  • ​altana ink company
  • Siegwerk Druckfarben  ink company
  • Toyo Ink Malaysia Coloring ink
  • Flint Group  ink company
  • Gail Print Paper Bags Packaging
  • fujifilm sericol inks
  • Dynamic packaging company
  • Sun Chemical Inks, Pigments

FAQs About PS528 Spectrodensitometer

a. Connect colorimeter to the PC with USB cable.

b. Turn on the colorimeter to enter main menu. Select "Comm" and press "Enter" key to start communication.

c. Right click on "My Computer" on the desktop. Click "Manage" -> "Device Manager" -> "Ports", you can see similar display as "SCI USB2Serial (COM6)".

d. Click "Settings->Communication Parameters" in CQCS3 software interface. Select the corresponding port in "Serial Port".

Pick a haze meter that correlates with your materials, precision needs, and applicable testing protocols. For lab-level precision, a bench-top version is advisable; for a rapid field check, a portable haze meter is appropriate. International standards must be met at all times.


The gloss scale is normally measured against the scale of 0 to 100 gloss units (GU). The scale is zero at matte and 100 at a mirror. Other very smooth surfaces can be over 100 GU at lower angles, such as 20°.


Threenh Technology with excellent after sale service, Generally, Our warranty is one years(Additional support period of 3 years). Within the warranty period, we can offer technique support and parts to parts change, necessarily, our engineers may go to your place for better support. Our instrument have professional After-sales Dept. lf you have any technical problem or question with our goods welcome to contact us.

In the study of chemical reactions, calorimetry deals with changes in heat (energy and enthalpy). Spectrophotometry is the measurement of the light absorbance or light transmittance to determine the concentration or color of a solution. The first one monitors the thermal processes, whereas the second one addresses the aspects of light and color.


Zero calibration of a hazemeter is a critical pre-measurement procedure to ensure the instrument’s accuracy by resetting its baseline to "zero" when no haze or light attenuation is present.

  1. Align the hazemeter’s measurement window with air or a black background, ensuring no objects block the window.

  2. Press the hazemeter’s zero calibration button and wait for the instrument to complete automatic calibration. At this point, the instrument should display a zero haze value and a zero light transmittance value.

  3. Observe the instrument’s display to confirm the zero calibration result stabilizes near zero. If the zero calibration is inaccurate, repeat the above steps multiple times until the displayed haze and light transmittance values stabilize near zero.

Perform 0-degree calibration before testing, this eliminates inherent instrument drift, environmental interference, or residual signal errors, ensuring subsequent measurements of transparent/translucent samples (e.g., plastic films，pvc, glass, coating, displays and cosmetic packaging) are reliable. Correct for minor instrument deviations caused by long-term use, temperature changes, or power fluctuations.

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