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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.

四、多种颜色测量空间及观测光源.jpg


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.



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FAQs About YL72 Benchtop Spectrophotometers

SCI&SCE are two method in the color measurement. SCI means Specular Component Include,SCE means Specular Component Exclude.

Under the method of SCE, only test diffuse refection and exclude specular reflection. In that way, the test result is similar to object color was observed by human eyes.

Under the method SCI, both the diffuse refection and specular reflection will be included. In that way, the value about the color is more objective. It will not effect by the environment condition.

When we choose the instrument, those elements should be taking into consideration.


Threenh Technology with excellent after sale service, Generally, Our Spectrophotometer instrument 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, if you have any technical problem or question with our goods welcome to contact us.

A colorimeter or spectrophotometer should be used to measure the color of a solution. The instrument directs light through the liquid and quantifies absorbance at certain wavelengths. The values obtained indicate the color intensity of the solution and, by default, the concentration of the solution.

The Ideal Accurate and User - Friendly Spectrophotometer for Your Needs 

This Spectrophotometer device measures the reflectivity，absorbance, transmittance, and fluorescence of light passing through samples, providing invaluable data for a wide range of applications, provide unrivaled accuracy for reliable results. 

Selecting an appropriate spectrophotometer offers significant advantages for precision color analysis and quality control. When choosing an accurate and user - friendly spectrophotometer, consider factors such as wavelength range, sensitivity, sample handling options, and available software features. By investing in the right spectrophotometer, you can streamline your analytical processes, obtain more accurate results, and enhance the overall efficiency of your laboratory or industrial operations. 

 Choosing the right model—whether portable, benchtop, or inline—aligns technology with specific industry needs, ensuring long-term reliability and optimized color management.

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.

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