Language
Chinese English español Japanese Korean Italiano Русский язык
Home>Main Instruments>Spectrocolorimeter

PS808C Spectrocolorimeter

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

  • DTU Technical Denmark University
  • YONSEI UNIVERSITY
  • toronto
  • Acros Pvt plastic
  • flinders
  • infieon
  • UCDAVIS UNIVERSITY
  • laboratoire de chimie bacterienne

FAQs About  Spectrocolorimeter

The various colors can be measured by the way a surface reflects, absorbs, or transmits light at different wavelengths. These responses may be measured using instruments such as colorimeters or spectrophotometers to give numeric values in a standardized color space such as L *a*b*.


A Spectrophotometer color measuring device objectively determines the color of a surface. It is used wherever accurate color matching, reproducibility or deviation control is needed – for example in quality assurance, product development or incoming goods inspection.

Spectrophotometer color measuring devices primarily perform three key tasks:

Capture color information: They detect light reflected, transmitted, or emitted by a sample using optical sensors.
Quantify color data: They convert the captured optical signals into standardized numerical values, such as RGB, CMYK, or CIELAB coordinates.
Compare color consistency: They compare the measured color data of a sample against a target or standard to assess color accuracy and uniformity.


A colorimeter is sufficient when measuring similar materials or batches with stable conditions. Suitable for fast, low-cost color checks where high precision is not required. Quick quality control in plastics, paint batch consistency, food color grading (e.g., fruit ripeness), and basic printing checks.

A spectrophotometer is recommended when you need professional, maximum color accuracy or when testing materials with variable surfaces – such as glossy or textured samples. Like textile dye formulation, cosmetic shade matching, medical device color calibration, high-end printing (e.g., packaging for luxury goods), and material spectral research. learn more Understanding Spectrophotometric Parameter Measurement


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.


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.


Related Spectrocolorimeter You May Also Like

Copyright ©1998 - 2026 Guangdong Threenh Technology Co.,Ltd. Privacy Policy

Give us a call!

Discuss your project with one of our product specialists:

0086 755 26508999

Need pricing?

We respond to quote requests within 1 business day.

service@3nh.com

Already know what you need?

Submit a demo request for the product you're interested in.

Get a Demo
Leave Your Message
We use cookies to ensure that we give you the best experience on our website. If you continue to use this site we will assume that you are happy with it. Privacy policy