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PS808C Spectrocolorimeter

Coffee‑special Spectrocolorimeter

3nh PS808C dedicated coffee spectrocolorimeter outputs SCAA, HCCI and Lab* values. Stabilize batch‑to‑batch roast color, reduce rejects and keep your coffee flavor consistent. Ideal for coffee roasteries, QC laboratories and coffee manufacturers.


Key Highlights

  • Built‑in SCAA & HCCI industry coffee indexes

  • Φ50mm large‑aperture design, perfect for uneven coffee beans & ground powder

  • 45/0 optical geometry, eliminate shadow & oil‑glare interference

  • 7‑inch touch screen, massive data storage for batch traceability

  • Export test reports for roasting‑process optimization

PS808C Spectrocolorimeter Instructions Operating Manual PS808C Spectrocolorimeter PDF
This PS808C Spectrocolorimeter Instrument are Certified with
certify
1 Years Warranty (Additional support period of 3 years)

The 3NH PS808C Coffee Colorimeter is a desktop high-precision colorimeter specifically designed for coffee roasting quality control. It adopts a 45/0 optical geometry and a 50 mm large aperture, suitable for irregular granular samples such as coffee beans and coffee powder. Built-in professional indicators including SCAA, HCCI, and coffee roast degree, it enables one-stop accurate quantitative detection of coffee roast levels.

1.Professional Coffee Indicators, Accurate Quantification of Roast Degree

Built-in dedicated indices such as SCAA, HCCI, coffee roast degree, and CIE LAB color space, enabling users to complete mainstream industry indicator measurements without switching devices.

Professional Coffee Indicators, Accurate Quantification of Roast Degree


2.Large Measuring Aperture for Diverse Samples

Equipped with a food-grade 50 mm large measuring aperture, it easily measures coffee beans, coffee powder and other samples, effectively reducing measurement fluctuations caused by uneven particle distribution of samples, delivering stable and reliable data.

.Large Measuring Aperture for Diverse Samples


3.Full-Band Spectral Presentation, No Detail Left Out

Precise acquisition in the 400-700 nm band with a wavelength interval of 10 nm. Real-time display of the professional spectral reflectance curve, making sample spectral characteristics clear at a glance.

Full-Band Spectral Presentation, No Detail Left Out


4.Standard 45/0 Optical Structure, Enhanced Anti-Interference

Adopting 45° annular uniform illumination and 0° perpendicular receiving geometric optics, matching human vision, and effectively avoiding interference from sample surface texture and gloss.

Enhanced Anti-Interference


5. Massive Data Storage, Worry-Free

Supports local storage of 1,000 standard samples and 30,000 test samples. Measurement records are saved at any time, meeting the traceability and analysis needs of large-scale production.

Massive Data Storage, Worry-Free


6.Multi-Language and PC Software, Convenient Expansion

Supports multiple languages including Chinese, English, Russian, etc. Comes with professional quality management software, facilitating data analysis, report export, and multi-scenario applications.

Multi-Language and PC Software, Convenient Expansion



Product Model

PS808C

Product Name

Coffee Colorimeter

Optical Geometry

45/0 (45° annular uniform illumination, 0° reception);
Conforms to standards CIE No.15, GB/T 3978, GB 2893, GB/T 18833, ISO 7724-1, ASTM E1164, DIN 5033 Teil 7

Features

The Coffee Colorimeter uses a 45/0 optical structure with a 50 mm large aperture.
It is used for coffee roasting measurement and can also be used for precise color measurement and quality control in industries such as plastics and electronics, paints and inks, textiles and apparel printing and dyeing, printing, and ceramics.

Light Source

Combined LED light source

Integrating Sphere Size

/

SCI Method

/

Spectrophotometric Method

Nano-integrated spectral device

Sensor

Silicon photodiode array (dual-array, 20 groups)

Measurement Wavelength Range

400-700 nm

Wavelength Interval

10 nm

Half Bandwidth

10 nm

Reflectance Measurement Range

0-200%

Measurement Aperture

50 mm

Observation Light Sources

D65

Observer Angle

10°

Color Spaces

CIE LAB

Color Difference Formulas

ΔE*ab

Other Chromaticity Index

SCAA, HCCI, coffee roast degree

Repeatability

Spectral reflectance: standard deviation within 0.07% (within 0.2% at 400-700 nm);
Colorimetric values: ΔE*ab within 0.03 (average of 30 measurements on a white plate at 5-second intervals after preheating and calibration)

Inter-Instrument Agreement

ΔE*ab within 0.35 (average of measurements on 12 BCRA Series II color tiles)

Display

Spectral graph/data, sample colorimetric values, color difference values/graph, pass/fail results, color deviation

Measurement Time

Approx. 1 s

Measurement Mode

Single measurement, average measurement (2-99 times)

Dimensions

210 x 245 x 188 mm

Weight

3.1 kg

Power

24 V DC, 3 A power adapter

Light Source Lifespan

10 years or >2 million measurements

Display Screen

7-inch TFT true color capacitive touchscreen

Interface

USB, Bluetooth

Storage

1,000 standard samples, 30,000 test samples

Language

Simplified Chinese, English, Traditional Chinese, Russian

Operating Temperature Range

0-40℃, 0-85% RH (non-condensing), altitude below 2000 m

Storage Temperature Range

-20-50℃, 0-85% RH (non-condensing)

Accessories

Power adapter, data cable, user manual, quality management software (download from official website), white plate, petri dishes x 2

Optional Accessories

Micro printer

Note:

Technical specifications are for reference only. Please refer to the actual product sold. Subject to change without notice.



Our Valued Clients

  • Lubrizol
  • Acros Pvt plastic
  • flinders
  • university mississippi
  • Griffith UNIVERSITY
  • University of Connecticut
  • UPORTO
  • university mississippi

FAQs About  Spectrocolorimeter

A colorimeter is a quick and inexpensive method to measure color and to control color in a material or solution. It is used to maintain color consistency during production and to check the chemical concentration. It also assists with the quality control of labs, food, textiles, and pharmaceuticals.


A colorimeter is used to measure the intensity of color of a solution by measuring its absorbance at selected wavelengths of light. It is widely applied in chemistry, food, pharmaceuticals, and quality control to determine concentration, track color changes, or product uniformity.


A calorimeter is used to measure heat that is gained or lost during a chemical or physical reaction. A sample is taken in an insulated container, and a temperature change is measured. This assists in computing the alterations in energy by the equation Q = mcΔT, where Q is heat.


A colorimeter sends light through a solution and measures the amount that is absorbed. It computes the absorbance by comparing the intensity of light before and after passing through. The greater the concentration of the color, the greater is the absorption of the light. It is also possible to quantify the color of the solution.


The LAB color space defines colors in a three-dimensional model: Lightness (L), red–green axis (a), and blue–yellow axis (b). It's a globally recognized standard supported by most modern color measuring devices. CIELAB is a standardized, device-independent system designed to map all visible colors that the human eye can perceive.

The LAB color space uses three values to define any color, each representing a specific dimension:


L (Lightness): Ranges from 0 to 100. It measures the brightness of the color, where 0 is pure black and 100 is pure white.
A (Red-Green Axis): Ranges from approximately -128 to +127. Positive values represent red tones, while negative values represent green tones.
B (Yellow-Blue Axis): Ranges from approximately -128 to +127. Positive values represent yellow tones, while negative values represent blue tones.


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