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KS-220 Spectrophotometer

Portable Spectrophotometer Handheld Color Reader

An easy-to-use, handheld color spectrophotometer that measures color accurately on a wide variety of sample shapes and sizes for the retail paint and hardware stores. The 3nh KS-220 is a high-precision portable spectrophotometer with UV+full-spectrum LED lighting, specially designed for fluorescent and multi-form samples. It features D/8 SCI/SCE geometry, 8 interchangeable apertures (3/5/10/11mm & pointed nozzle)


Key Highlights

  • D/8 (Diffuse illumination, 8° viewing) SCI/SCE

  • Utilizes a dual-path silicon photodiode array

  • Wavelength Interval: 10nm

  • 6 Apertures

  • Repeatability ΔEab≤0.028 and Inter-instrument Agreement ΔEab≤0.35

  • Supports 40+ Color Spaces and 30+ Illuminants

  • Ideal for plastics, coatings, textiles, retail paint, hardware stores and more

KS-220 Spectrophotometer Instructions Operating Manual KS-220 Spectrophotometer PDF
This KS220 Instrument are Certified with
certify
1 Years Warranty (Additional support period of 3 years)

Specifically designed for measuring fluorescent and various other sample types. Built upon a standard configuration with an added UV light source for accurate color measurement of fluorescent materials. Features 8 measurement apertures (3mm/5mm/10mm/11mm platform + pointed tip) to cover all sample forms. Delivers a repeatability of ΔEab ≤ 0.028 and inter-instrument agreement of ΔEab ≤ 0.35. Data stability is ensured by first-grade metrology certification and a dual-beam optical system. Supports multi-system collaboration and cloud data sharing. Widely applicable in industries such as plastics, electronics, paints, and inks involving fluorescent materials.

Accurate Measurement: Authoritative Data, Universal Testing for Fluorescent and Regular Samples

Exclusive Fluorescence Measurement: UV light source combined with full-spectrum LED illumination ensures no spectral gaps, accurately capturing the color information of fluorescent samples.

High-Precision Performance: Achieves a repeatability of ΔEab ≤ 0.028 and an inter-instrument agreement of ΔEab ≤ 0.35. The dual-beam optical system design monitors light source energy fluctuations, reducing measurement interference to ensure batch consistency.

Internationally Recognized D/8 SCI/SCE Technology: Employs D/8 SCI/SCE technology, compliant with international standards such as CIE, ISO, and ASTM, meeting color management requirements across multiple industries.

Authoritative Metrology Certification: Certified with first-grade metrology standards. Each unit is factory-calibrated and verified by an authoritative body, with data traceable to national metrology institutes, ensuring reliable results.

一、Accurate Measurement Authoritative Data, Universal Testing for Fluorescent and Regular Samples.jpg


Robust Hardware: Core Configuration for Superior Performance

Core Optical Components: Dual-row 18-group silicon photodiode array (spectral response 400-700nm) and a nano-integrated spectral device. Ensures no saturation under strong light and high sensitivity in low light for precise data across all wavelength bands.

Full-Band Balanced LED + UV Light Source: Combines a 400-700nm full-band balanced LED with a UV light source, enabling measurement of both regular and fluorescent samples while avoiding spectral gaps.

Advanced Architecture Design: Features an optical resolution of less than 10nm and supports simultaneous SCI/SCE measurement, balancing speed, accuracy, and stability.

二、Robust Hardware Core Configuration for Superior Performance.jpg


Portable Operation: Beginner-Friendly and Efficient Cross-Device Utilization

Auto Calibration + Precise Targeting: Features non-contact automatic white board calibration (standard white board reflectance ≥95%), combined with real-time camera framing and a stabilizer plate to reduce measurement errors and enable quick mastery.

Multi-System Compatibility: Supports Android, iOS, Windows, HarmonyOS, and other systems. Operable via mobile app, WeChat mini-program, and PC, with cross-device data synchronization.

Ergonomic Design for Easy Measurement: Ergonomic appearance with a large touchscreen and optimized grip design. The clean, intuitive interface requires no complex training.

三、Portable Operation Beginner-Friendly and Efficient Cross-Device Utilization.jpg


Wide Measurement Range: Full Morphology + Multi-Scenario Adaptation

Full Aperture Coverage: 8 aperture specifications (3/5/10/11mm platform + pointed tip) suitable for samples of various forms, including flat, curved, and concave-convex surfaces.

Multiple Color Spaces and Illuminants:Offers a wide selection of color spaces: CIE LAB, XYZ, Yxy, LCh, CIE LUV, s-RGB, HunterLab, βxy, DIN Lab99.

Provides diverse illuminants: D65, A, C, D50, D55, D75, F1, F2 (CWF), F3, F4, F5, F6, F7 (DLF), F8, F9, F10 (TPL5), F11 (TL84), F12 (TL83/U30), U35, NBF, ID50, ID65.Meets special measurement requirements under different conditions.

Industry Adaptability:Switchable measurement modes for color difference quality control in industries such as plastics, electronics, paints and inks, textile dyeing and printing, printing, and ceramics; includes UV mode for fluorescent sample measurement.

四、Wide Measurement Range Full Morphology + Multi-Scenario Adaptation.jpg


Strong Expandability: Cloud Collaboration + Professional Management

Cloud Data Management: Store up to 500 standards synchronously via the app/mini-program to establish a personal cloud database, enabling data sharing anytime, anywhere.

Professional Software Support: Compatible quality management software supports Android, iOS, Windows, HarmonyOS, and other systems. It generates test reports, compares color differences, and customizes color management workflows to meet industrial-grade quality control requirements.

五、Strong Expandability Cloud Collaboration + Professional Management.jpg


Model KS-220 Spectrophotometer
Illumination/Viewing Geometry D/8 (Diffuse illumination, 8° viewing), SCI/SCE (Specular Component Included/Excluded). Compliant with CIE No.15, GB/T 3978, GB 2893, GB/T 18833, ISO7724-1, ASTM E1164, DIN5033 Teil7.
Features Utilizes a dual-path silicon photodiode array. Ideal for color difference quality control in industries such as plastics, electronics, paints and inks, textile dyeing and printing, printing, and ceramics.
Light Source Combined Full-Spectrum LED Light Source, UV Light Source
Integrating Sphere Size Φ40mm
Spectral Device Nano-integrated spectral device
Sensor Silicon photodiode array (dual-row, 18 groups)
Wavelength Range 400-700nm
Wavelength Interval 10nm
Measurement Aperture 8 Apertures: 3mm platform + 3mm pointed tip+ 5mm platform+ 5mm pointed tip+ 10mm platform+ 10mm pointed tip+11mm platform+ 11mm pointed tip
Specular Mode Simultaneous measurement
Color Space CIE LAB,XYZ,Yxy,LCh,CIE LUV,s-RGB,HunterLab,βxy,DIN Lab99
Color Difference Formula ΔE*ab,ΔE*uv,ΔE*94, ΔE*cmc(2:1),ΔE*cmc(1:1), ΔE*00,DINΔE99,ΔE(Hunter)
Other Color Indices Spectral Reflectance, WI (ASTM E313, CIE/ISO, AATCC, Hunter, Taube, Berger, Stensby), YI (ASTM D1925, ASTM 313), Metamerism Index MI, Staining Fastness, Shade Change Fastness, Strength, Opacity, 555 Shade Classification, Munsell (C/2), Blackness (My, dM), Color Density CMYK, Tint (Some functions realized via PC software)
Observer Angle 2°/10°
Calibrated Illuminants D65,A,B,C,D50,D55,D75, F1,F2(CWF),F3,F4,F5,F6,F7(DLF),F8, F9,F10(TPL5),F11(TL84),F12(TL83/U30), U35,NBF,ID50,ID65,LED-B1,LED-B2,LED-B3, LED-B4,LED-B5,LED-BH1,LED-RGB1, LED-V1,LED-V2(Partially realized via PC software)
Display Data Spectral graph/data, sample color values, color difference values/graph, pass/fail results, color simulation, color bias
Measurement Time Approx. 1 second
Repeatability Chromaticity Value: Within ΔE*ab 0.028 (Standard deviation) for MAV/SCI (after warm-up and calibration, average of 30 readings of white board at 5s intervals).
Spectral Reflectance: Within 0.1% standard deviation for MAV/SCI (within 0.2% for 400-700nm).
Inter-Instrument Error Within ΔE*ab 0.35 for MAV/SCI (average of 12 BCRA Series II color tiles).
Displayed Accuracy 0.01
Reflectance Range 0-200%
Reflectance Resolution 0.01%
Measurement Mode Single measurement, average measurement (2-99 times).
Targeting Stabilizer plate positioning + Camera framing.
White Calibration Contact-type white calibration.
Dimensions 120*75*207mm
Weight 367g(without calibration base)
Battery Lithium-ion battery, 3.7V, 3200mAh, supports 8000 measurements within 8 hours.
Light Source Life Over 1.2 million measurements for 10 years.
Display TFT true color 3.5-inch capacitive touch screen.
Interface USB,Bluetooth
Data Storage 500 standards, 10,000 samples (SCI/SCE data included in one record). Mass storage via APP/PC.
Software Support Android, iOS, Windows, WeChat Mini-Program, HarmonyOS.
Languages Simplified Chinese, English, Traditional Chinese
Operating Environment Temperature: 0~40℃, Humidity: 0~85% RH (non-condensing), Altitude: below 2000m.
Storage Environment Temperature: -20~50℃, Humidity: 0~85% RH (non-condensing).
Accuracy Guarantee Ensured first-grade metrology certification
Standard Accessories Power adapter, data cable, user manual, quality management software (download from official website), white calibration box, protective cover, wrist strap, measurement apertures.
Optional Accessories Micro-printer, powder test box.
Note Specifications are subject to change without prior notice.


Our Valued Clients

  • university mississippi
  • university mississippi
  • Acros Pvt plastic
  • UCDAVIS UNIVERSITY
  • toronto
  • YONSEI UNIVERSITY
  • LUND UNIVERSITY
  • Lubrizol

FAQs About KS220 Spectrocolorimeter

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 concentration of colored compounds in a solution is determined by the use of a colorimeter test. It can be used to measure the quality of the product. The colorimeter test determines the presence of contamination or observes chemical reactions by measuring the extent to which a solution absorbs light at a given wavelength.


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.


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.


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