DOHO DOHO DR-18 handheld color reader 8mm/4mm/40mm three caliber
DR-18 with 8mm platform, 4mm platform, 40mm metal three measurement caliber, boot automatic correction, display accuracy 0.01, Delta E * ab within 0.03, with quality management software.
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Introduction
The three-caliber Colorimeter DR-18 is a domestic (CN) Colorimeter with independent property rights, equipped with three measuring apertures: 8mm platform, 4mm platform and 40mm metal, which has the advantages of accurate data, simple operation and easy portability. Low-power design, 3200mAh large-capacity lithium battery to ensure that the three-caliber Colorimeter DR-18 can measure for a long time, with CQCS3 quality management software, the user's color management in the PC computer data, compare the color difference, generate test report forms, convenient for customers to high-level color management.
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The three-caliber Colorimeter DR-18 is equipped with three measuring calibers, 4mm is used to measure the curved surface and arc surface of small parts, 8mm is used to measure flat surfaces and uniform color items, etc., and 40mm can measure textures, rough surfaces and moist meat. The instrument is widely used in plastics, electronics, paints, inks, textile and garment printing and dyeing, printed paper, leather, stone, automobiles, cosmetics and food industries. SCI supports a variety of sample measurements, accurate data, easy to use, and is a practical tool for color detection in production, quality control, etc.
Technological advantages
1. Automatic correction at start-up, more accurate measurement
The display accuracy is 0.01, and the repeatability measurement accuracy is controlled within 0.03
2. A variety of color measurement space, a variety of observation light sources
The three-aperture Colorimeter DR-18 provides CIE LAB, XYZ, LCh, CIE RGB, CIE LUV color spaces, as well as D65, A, C, D50, F2, F6, F7, F8, F10, F11, F12 observation light sources, which can meet the special measurement needs under different measurement conditions.
3. Ergonomic design
The three-caliber Colorimeter DR-18 has a beautiful, smooth shape and comfortable grip, conforms to the structural design of ergonomics, fits the palm of the hand and is suitable for continuous detection work, allowing you to use it quickly and easily.
4. The three measuring diameters can be quickly switched to adapt to more samples

5. Precise positioning of light positioning and cross, which can quickly align the measured part
The three-aperture Colorimeter DR-18 uses illumination positioning technology (patent number: ZL201120566485.2) and cross precise dual positioning, which can quickly align the position of the measured object, achieve accurate positioning measurement, and improve measurement efficiency.

6. ETC real-time calibration technology
The three-caliber Colorimeter DR-18 adopts imported standard whiteboard, which is resistant to yellowing, dirt does not penetrate, and can be wiped, which ensures the long-term accuracy of the instrument. At the same time, it also adopts the innovative ETC real-time calibration technology (Every Test Calibration), and the optical system has a built-in standard whiteboard, which has reliable accuracy and repeatability in every test.
7. Color management software
The CQCS3 quality management software of the three-aperture Colorimeter DR-18 is suitable for quality monitoring and color data tabular management in various industries. The user's color management is digitized on the PC computer, comparing the color difference, generating test report forms, and providing a variety of color space measurement data, which is convenient for customer customization and high-level color management.

DOHO DR-18 Color readerSpecifications
| LIST | VALUE |
|---|---|
| Lighting method | 8°/d |
| lighting source | LED light source |
| Sensor | Silicon photodiode |
| Measurement caliber | Three caliber: φ 8mm platform measurement caliber, φ 4mm platform measurement caliber, and φ 40mm large measurement caliber |
| Color Space | CIE LAB,XYZ,LCh,CIE RGB,CIE LUV |
| color difference formula | ΔE*ab,ΔE(h),ΔE*uv,ΔE*94,ΔE*cmc(2:1),ΔE*cmc(1:1),ΔE*00 |
| Other chroma metrics | WI (ASTM E313, ISO R457, Hunter), YI (ASTM E313), colour fastness, color fastness, JPC79, BFD (1.5:1), FMCII |
| Viewing Angle | CIE 10° |
| Measurement light source | D65,A,C,D50,F2,F6,F7,F8,F10,F11,F12 |
| display mode | Chromatic value, color difference value/graph, pass/fail result, Color bias |
| Measurement time | 1.5s |
| Sexual repeability | Should 8mm/Delta E * ab within 0.03 |
| Inter-instrument Agreement | ΔE*ab<0.4 |
| Dimensions | 205*67*80mm |
| Weight | 500g |
| positioning method | Double positioning: cross positioning, lighting positioning |
| Power Supply | Rechargeable lithium-ion battery 3.7V @3200mAh |
| Lighting source life | More than 1.60 million measurements in 5 years |
| Display | TFT True Color 2.8inch @(16:9) |
| Data Interface | USB |
| data storage | 100 master standards, 20,000 samples |
| Operating environment | 0~40℃(32~104°F) |
| Storage environment | -20~50℃(-4~122°F) |
| PC software | CQCS3 Quality Management Software |
| optional accessories | Micro printer, powder test box |
DOHO DR-18 Color reader Packing list
host X1, data cable X1, manual X1, certificate X1, warranty card X1
[Note] Because the manufacturer's packaging may be updated or upgraded, the detailed packaging list shall be subject to the latest standard configuration of the manufacturer.
FAQ
- Application of color difference meter in construction industry
- Color difference meter lab value test method
- ActiveGB/T 20147.3-2023
- ActiveGB/T 13448-2019
- ActiveGB/T 33421-2016
- ActiveGB/T 2374-2017
- ActiveGB/T 22374-2018
- ActiveGB/T 23997-2009
- ActiveGB/T 28197-2011
- ActiveHG/T 4767.3-2014
- ActiveHG/T 5183-2017
- ActiveGB/T 6688-2008
- ActiveASTM D2244-2023
- ActiveGB/T 1766-2008
- ActiveGB/T 7707-2008


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