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YL72 45/0 Non-Contact Spectrophotometer

High Precision Non-destructive Measurement

The YL72 is an industrial-grade non-contact spectrophotometer with 45/0 optical geometry, designed for hands-free, contamination-free color measurement on liquids, pastes, powders, and delicate surfaces. It features a 7.5mm fixed non-contact distance, Φ8mm measuring aperture, and full-spectrum LED light source (400–700nm).


Key Highlights

  • Optical Geometry: 45/0(45 circular uniform illumination 0 reception);

  • Silicon photodiode array (20 groups in two rows)

  • Non-contact Distance: 7.5mm(±0.15mm)

  • Ultra-high precision with repeatability ΔE*ab≤0.015 and inter-instrument agreement ΔE*ab≤0.2

  • Seamless integration into automated production lines

  • Supports multiple color spaces and illuminants for food, cosmetics, coatings, printing, and automotive industries

YL72 45/0 Non-Contact Spectrophotometer Instructions Operating Manual YL72 45/0 Non-Contact Spectrophotometer PDF
This YL72 Instrument are Certified with
certify
1 Years Warranty (Additional support period of 3 years)

YL72 is used for color measurement in production lines

3nh YL72 Online Non-contact Spectrophotometer adopts nano - spectral technology. It can quickly and non - destructively collect chromaticity data of liquids, pastes, powders, and vulnerable surfaces. Specifically tailored for automated production lines, it supports stable operation without human intervention. It combines high - speed measurement with diverse communication functions and can be flexibly installed on assembly lines and robotic arms. It monitors and transmits data in real - time, accurately enabling efficient quality control.

Measurement performance: accurate and efficient

1. Non-contact measurement

YL72 adopts 45/0 optical structure and 7.5mm non-contact distance to realize non-contact measurement between the test probe and the sample to be measured, and is applied to precise color measurement of special samples such as liquid, paste, powder and fragile surface in automatic production line.

2. High-accuracy survey

The repeatability of YL72 chromaticity value is as high as ΔE*ab≤0.015, and the inter-station difference is controlled at ΔE*ab≤0.2, which ensures the consistency of measurement results of different batches and different equipment and redefines the industry quality standard.

3. High speed measurement

The measurement can be completed in 0.11 seconds at the earliest, supporting instrument triggering or online control triggering, flexibly setting single/multiple average measurement, seamless connection with production line, real-time online monitoring, and remarkable production efficiency.

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Powerful hardware

1. Silicon photodiode array (20 groups in two rows) sensor

Double-row 20-group silicon photodiode array, with large-area design, strong light is unsaturated, low light sensitivity is high, spectral response range covers 400-700nm, 10nm output, reflectivity measurement range is 0-200%, and visible light information is accurately captured.

2. Nano-integrated spectral device

It has the ability of nano-scale light splitting, which can accurately separate light with different wavelengths and effectively guarantee the data accuracy of each band.

3. Full-spectrum long-life LED light source

The lighting source of the instrument covers the full spectrum of 400-700nm, and has sufficient spectral distribution in the visible range, which avoids the spectral loss of white LED and ensures the accuracy of the instrument measurement results. The service life of the light source is as long as 5 years, and it can support more than 3 million measurements.

4. Intelligent automatic calibration

Built-in intelligent automatic calibration function can quickly complete calibration after startup without manual intervention, ensuring long-term stable operation. With magnetic correction bracket, it is easy to operate and reduce human error.

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Integrated design of automatic production line

1. Rich & Versatile Interfaces for Multi-Machine Collaborative Measurement

Equipped with USB, RJ45, RS485, RS232 and other mainstream interfaces, it supports multi-machine communication and cooperative work. It can be quickly connected to all kinds of automatic production lines, and a complete distributed color measurement system can be constructed to meet the multi-point color synchronous monitoring of complex production lines.

2. High protection level

IP66 protection level, waterproof and dustproof, and resistant to complex industrial environment.

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Multi-color measuring space and observation light source

Provide CIELAB, XYZ, YXY, LCH, CIELUV, Musell, S-RGB, Hunter LAB, β XY, DINLAB 99 color spaces, and a variety of observation light sources A, B, C, D50, D55, D65, D75, F1, F2, F3, F4, F5, F6, F7, F8.F9, F10, F11, F12, CWF, U30, U35, DLF, NBF, TL83, TL84, ID50, ID65, LED-B1, LED-B2, LED-B3, LED-B4, LED-B5, LED-BH1, LED-RGB 1, LED-BH1.

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Application field

It can be applied to the automatic production line requirements of food and beverage, cosmetics, printing, anodizing, coating, papermaking, automobile spraying line, textile production line, plastic production line and other industries, and can be directly installed on the assembly line or mechanical arm. Real-time monitoring of product color, synchronous transmission of data, providing immediate feedback for product quality.

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YL72 Color Measurement Show Case

YL72_Color_Measurement_Case


YL72 series 45/0 Non-Contact Spectrophotometer

Product Model

YL72

Optical Geometry

45/0(45 circular uniform illumination 0 reception);
Meet the standards of CIE No.15, GB/T 3978, GB 2893, GB/T 18833, ISO 7724-1, ASTM E 1164, DIN 5033 TEIL 7.

Features

The non-contact test between the test probe and the sample to be tested realizes the non-contact precise color measurement of liquid, paste, powder and fragile surface. It is mainly used in accurate color measurement and quality control of automatic production line; The measurement time can be as fast as 0.11 seconds. It can communicate with other systems through 485 or USB, and is equipped with upper computer software.

Light Source

Full spectrum LED light source

Splitting Mode

Nano-integrated spectral device

Sensor

Silicon photodiode array (20 groups in two rows)

Wavelength Range

400~700nm, 10nm output

Display Accuracy

0.01

Reflectivity Resolution

0.01%

Reflectance Range

0~200%

Measuring Aperture

Φ8mm

Non-contact Distance

7.5mm(±0.15mm)

Sample Height

The thickness is not limited, and only the test probe is used.

Measurement and Observation Mode

Visual

Measuring Time Interval

1S

Measurement Mode

Instrument trigger or online control trigger

Color Space

CIE LAB,XYZ,Yxy,LCh,CIE LUV,Musell,s-RGB,HunterLab,βxy,DIN Lab99

Color Difference Formula

ΔE*ab,ΔE*94,ΔE*cmc(2:1),ΔE*cmc(1:1),ΔE*00，ΔE(Hunter),DINΔE99

Other Chromaticity Indexes

Spectral reflectance, Wi (ASTM E313, CIE/ISO, AATCC, Hunter, ISO 2470/R457, Taube, Berger, Stensby), Tint (CIE/ISO),YI(ASTM D1925,ASTM 313),Metamerism index MI,Color fastness, color fastness, strength, coverage, blackness (My,dM), color density CMYK.

Observer Angle

2°/10°

Illuminants

A,B,C,D50, D55,D65,D75,F1 ,F2,F3,F4,F5 ,F6,F7,F8, F9,,F10,F11,F12, CWF,U30,U35,DLF, NBF,TL83,TL84, ID50,ID65,LED-B1 ,LED-B2,LED-B3,LED-B4 ,LED-B5,LED-BH1,LED-RGB1, LED-V1,LED-V2

Displayed data

Data, sample chromaticity value, color difference value/graph, color simulation, qualified/unqualified results, display tolerance can be set.

Measuring Time

The fastest time is 0.11 seconds (about 0.2 seconds)

Calibrate

Intelligent automatic calibration

Waterproof Grade

IP66

Repeatability

In the optimal test mode (when the single measurement time is 1.0 seconds): Chromaticity value: within ΔE*ab 0.015 (after preheating, measure the average value of the whiteboard for 30 times at intervals of 5s).

Inter-station Difference

Within ΔE*ab 0.2 (average value of 12 color swatches of BCRA series Ⅱ)

Accuracy Assurance

Ensure that the first-level measurement is qualified

Measurement Method

Single measurement, average measurement (2~99 times)

Dimension

100*100*140mm

Weight

About 1400g

Power Supply

DC 24V,3A power adapter supplies power.

Illuminant Life Span

More than 3 million measurements in 5 years

Display

TFT true color 3.5inch

Interface

USB, RS485, RS232, Ethernet, external trigger, analog signal output.

Language

Simplified Chinese, traditional Chinese, English

Operating Environment

0~40℃, 0~85%RH (no condensation), altitude: below 2000m m

Storage Environment

-20~50℃, 0~85%RH (no condensation)

Standard Accessory

Power adapter, manual, USB cable, RJ45 network cable, RS485 multi-computer communication cable, RS232 communication cable, standard calibration board and black calibration box.

Note:

It is subject to change without prior notice.



Our Valued Clients

  • 3nh customer cadbury
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  • vtech logo vector
  • partner axa
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  • Client lakhani

FAQs About YL72 Benchtop Spectrophotometers

The machine used to measure color is primarily called a colorimeter or spectrophotometer. 

Spectrophotometer: The most common and precise type. It analyzes light reflected/transmitted by an object across the visible spectrum to quantify color accurately. A spectrophotometer can measure colors on smooth or matte surfaces, as well as textured, glossy, mirror-like surfaces, and special effect colors. It measures the reflected light of a sample at a fixed angle (e.g., 45˚) or captures light reflected at all angles to calculate color measurements that closely match what the human eye perceives. Additionally, similar to how humans flip a sample to view colors from different angles, a spectrophotometer is suitable for measuring a variety of materials and surface characteristics. Widely used in industries like paint, textiles, plastics, Chemicals, Pharmaceuticals, and printing. 

Colorimeter: Also called photoelectric integrating colorimeter, a simpler, more cost-effective option. It measures color based on three primary colors (RGB) and is suitable for basic color matching needs. A photoelectric integrating colorimeter is a color measurement device based on the photoelectric integration principle. It directly measures the tristimulus values XYZ of an object's color using three color filters (red, green, blue) and silicon photocells as three sensors. The color measurement principle of this instrument imitates the human eye's mechanism of perceiving the three primary colors (red, green, blue). It corrects the relative spectral sensitivity of the detector through color filters to match the CIE-recommended spectral tristimulus value functions x(λ), y(λ), and z(λ).

Spectrocolorimeter: Combines the functions of spectrophotometers and colorimeters, offering both spectral data and color space values for comprehensive analysis.

Yes, we can offer Spectrodensitometer quality certification issued by our lab free of charge, or issued by third-party international inspection Organizations with extra charge, please contact us for confirmation.

A colorimeter is sufficient for basic, routine color checks, while a spectrophotometer is needed for precise, comprehensive color analysis—here’s the clear breakdown:

When a Colorimeter is Sufficient

  1. Simple color matching needs: Ideal for checking if a sample matches a predefined standard (e.g., basic paint batches, plastic parts with solid colors).

  2. Consistent lighting conditions: Works well when measurements are done under fixed, standard light sources (no need to account for varied light effects).

  3. Cost-sensitive, high-volume tasks: Perfect for production lines requiring fast, low-cost color checks without advanced data analysis.

When to Use a Spectrophotometer

  1. Precise color quantification: Necessary for measuring Lab values (lightness, red-green, yellow-blue axes) or detecting subtle color deviations (critical for automotive coatings, high-end textiles).

  2. Complex color analysis: Required for metallic/pearlescent finishes, transparent materials, or samples with gloss/texture variations.

  3. Compliance and documentation: Essential when precise color data (spectral curves) is needed for quality audits, regulatory compliance, or brand color standardization.


Yes, we warmly welcome and sincerely invite you or your team to visit our factory, we will help to arrange hotel and pick up you from airport.

For premier glass quality grading (color, transmittance, haze, coating uniformity, architectural/auto/optical glass), the top 3nh & industry-leading instruments are:


1. 3nh YS6060 Benchtop (Best Lab Accuracy)

  • d/8° integrating sphere, 360–780nm, UV adjustable

  • Dual mode: reflectance + transmission

  • ΔE*ab ≤ 0.015, IIA ≤ 0.2, haze measurement

  • Multi-apertures (Φ4/8/15/25.4mm)

  • Ideal: colored glass, coated glass, optical glass, lab R&D


2. 3nh TS8560 Benchtop (Ultra-High Precision)

  • d/8° sphere, SCI/SCE, UV control

  • ΔE*ab ≤ 0.01 (repeatability)

  • Large transmission compartment

    Best for: high-end architectural glass, Low-E coated glass



3. 3nh ST70 Portable (Production/Field)

  • d/8° (SCI/SCE), ΔE*ab ≤ 0.02

  • Handheld, fast, non-destructive

    Best for: line checks, incoming glass, on-site grading



4. 3nh NS810 Portable (Cost-Effective)

  • 45/0 geometry, ΔE*ab ≤ 0.04

  • Touchscreen, rugged

  • Best for: solid-color glass, routine QC

Short Recommendation

  • Top lab: YS6060

  • Ultra-precision: TS8560

  • Portable production: ST70

  • Economical QC: NS810

All measure color consistency, transmittance, haze & coating uniformity for glass quality grading.


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