The Array Spectrophotometer ST‑700d is a high‑precision color measurement instrument that integrates advanced optical and electronic technologies to enable accurate measurement and analysis of object color
Key Highlights
Large Touch Screen Operation, Fully Automatic Calibration
Excellent Repeatability (ΔE * AB≤0.022)
Inter - instrument Error Control (ΔE * AB≤0.2)
Basic measurement, statistical measurement, continuous measurement, QC measurement
Equipped with a 400 - 700nm full - waveband balanced LED and UV light source
Three Measuring Calibers: 8mm Platform + 4mm Platform + 1*3mm

Silicon photodiode array (double 40 array) sensor, accurate and stable measurement.
Contact automatic whiteboard calibration technology, no need to start each correction;
Provide 40+ observation light sources and more than 10 kinds of measurement indicators;
Equipped with three larger measuring calibers to meet the sample measurement needs;
Passed the authoritative metrological identification;
Camera positioning can clearly observe the measured area;
Powerful function, support APP color matching, establishment of personal data, cloud storage;
Support Android, IOS, Windows, HarmonyOS, wechat mini program, color cloud, etc

Larger area dual 40 array sensor, will not be saturated under strong light, sensitivity is higher under weak light, and the spectrum response range is wider, which ensures the measurement speed, accuracy, stability and consistency of the instrument. Master the core technology, developed from same platform as international standards with full compatibility.

Dual optical path system, the optical resolution in the visible light range is less than 10nm, and can measure the SCI and SCE spectra of samples at the same time.

Using D/8 (SCI/SCE) to measure the structure, more objectively reflect the color itself, reduce the impact of the surface texture of the object on the test results,
Comply with the standard :CIE No.15,GB/T 3978,GB 2893,GB/T 18833,ISO7724-1,ASTM E1164,DIN5033 Teil7

The use of 400~700nm full band balanced LED light source +UV light source as the instrument lighting source. there is sufficient spectral distribution in the visible range, to ensure the accuracy of the instrument measurement results. fluorescent materials can also be easily measured.

1, powerful data processing ability to ensure the stability and accuracy of the measurement data,
repeatability ΔE*ab easily controlled within 0.022.
2, the data is stable and reliable, to ensure the consistency of measurement data of multiple devices.

The measurement time is only about 1.5s, and the measurement is accurate, simple and fast.

The array spectrophotometer ST-700d has a built-in camera for viewing and positioning. Through the real-time viewing of the camera, it can accurately determine whether the measured part of the object is at the center of the target, which improves the measurement efficiency and accuracy.

1, intelligent calibration base, can be contact automatic whiteboard verification.
2, original whiteboard correction technology, correction is reliable, greatly increase the service
life of the whiteboard.
3, intelligent calibration base can also be charged, calibration, charging two in one.

The array spectrophotometer ST-700d supports Android, IOS, Windows, WeChat applets, and Harmony OS,
The instrument can be connected to the mobile phone to achieve:
Color difference measurement, color simulation is more intuitive
Find the most similar color, and view the details of the Lab value, spectrum, etc.
You can create a personal color database, input printing, paint, textile and other color card
information.
Sewing color matching, provide color scheme.
APP, small program synchronization mass storage; A large number of electronic color cards,
anytimeand anywhere to share partners use.

SQCX Color quality management software


To meet the needs of more sample measurement,the array spectrophotometer 8mm diameter: suitable for testing conventional flat surface products, such as: paint, paint, printing and other objectsT-700d is equipped with Ø8mm platform aperture, Ø4 mm platform aperture, and 1x3mm aperture as standard accessory, which meets the measurement needs of most special samples.
8mm Apertures: suitable for testing conventional flat surface products, such as: paint, paint, printing and other objects.
4mm Apertures: suitable for detecting small parts (small parts with a diameter of 4~8mm), curved products.
1X3mm Apertures: suitable for testing small parts, curved products.

SCI: includes specular reflected light measurement mode, SCE: excludes specular reflected light measurement mode.

It can be professionally measured for the color and reflectivity of fluorescent materials.
Measuring wavelength range: 400-700nm.
The wavelength of light, the reflectance of the sample and the difference of the reflectance of the
standard sample were measured with a frequency interval of 10nm.

It is used in plastic electronics, paint and coatings, textile printing and dyeing, printed paper products, automobiles, medical care, cosmetics and food industries, and also are widely used in scientific research institutions and laboratories.

| Model | Array Spectrophotometer ST-700d |
| Illuminating/Viewing Geometry | D/8(diffused illumination, 8-degree viewing angle) |
| SCI & SCE; Include UV & Exclude UV. | |
| Conform to Standards: CIE No.15,GB/T 3978,GB 2893,GB/T 18833,ISO7724-1,ASTM E1164,DIN5033 Teil7 | |
| Measuring Aperture | Three Apertures: 8mm Platform + 4mm Platform + 1*3mm |
| Integrating Sphere Size | Φ40mm |
| Locating Method | Cross Locating + Camera Locating |
| Color Space | CIE LAB,XYZ,Yxy,LCh,CIE LUV,s-RGB,HunterLab,βxy,DIN Lab99 Munsell(C/2) |
| Sensor | Large-area silicon photodiode array (40 pairs of dual columns) |
| Spectroscopic Method | Plane Grating |
| Color Difference Formula | ΔE*ab,ΔE*uv,ΔE*94,ΔE*cmc(2:1),ΔE*cmc(1:1),ΔE*00, DINΔE99,ΔE(Hunter) |
| Illuminant | D65,A,C,D50,D55,D75,F1,F2(CWF),F3,F4,F5,F6,F7(DLF),F8,F9,F10(TPL5),F11(TL84),F12(TL83/U30),B,U35,NBF, |
| ID50,ID65,LED-B1,LED-B2,LED-B3,LED-B4,LED-B5,LED-BH1,LED-RGB1,LED-V1,LED-V2,LED-C2,LED-C3,LED-C5, Light source can be customized(a total of 41 kinds of light sources, some of which are realized through the host computer/APP) | |
| Light Source | Combined Full Spectrum LED Lamp, UV Lamp. |
| Specular Component | Measure SCI+SCE at the same time |
| Observer Angle | 2°/10° |
| Other Colorimetric Index | Spectrum Reflectance Rate, WI(ASTM E313-00, ASTM E313-73, CIE/ISO, AATCC, Hunter, TaubeBergerStensby), |
| YI(ASTM D1925,ASTM E313-00,ASTM E313-73) | |
| Metamerism Index Mt, | |
| Staining Fastness, Color Fastness, Strength (dye strength, tinting strength), Opacity | |
| 8-degree Gloss, 555 Index,Blackness(My,dM), Color Density CMYK(A,T,E,M), Tint(ASTM E313-00),Munsell(Some functions are realized through the computer) | |
| Wavelength Interval | 10nm |
| Wavelength Range | 400-700nm |
| Reflectance Range | 0~200% |
| Repeatability | Chromaticity Value: MAV/SCI, within ΔE*ab 0.022 (after warm-up and calibration, the average value of measuring 30 times on the whiteboard at intervals of 5s) |
| Spectral reflectance: MAV/SCI, standard deviation within 0.07% (400~700nm) | |
| Inter-instrument Error | MAV/SCI, ΔE*ab within 0.2(The average value of measuring BCRA series Ⅱ 12 color tiles) |
| Displayed Accuracy | 0.01 |
| Displayed Data | Spectrogram/Values, Samples Chromaticity Values, Color Difference Values/Graph, PASS/FAIL Result, Color Simulation, Color Offset |
| Measurement Mode | Single Measurement, Average Measurement(2-99times) |
| Data Storage | APP mass storage |
| Locating Method | Cross Locating + Camera Locating |
| White Calibration mode | Non-contact automatic whiteboard Calibration |
| Dimension | Length X Width X Height=114X70X208mm |
| Weight | About 435g(Calibration Base not included) |
| Battery | Lithium battery, 3.7V, 5000mAh, 8500 times measurements within 8 hours |
| Illuminant Life Span | More than 1.5 million measurements in 10 years |
| Screen | TFT True Color 3.5inch,Capacitive Touch Screen |
| Interface | USB,Bluetooth®5.0 |
| Data Storage | 500 pcs standard samples, 20,000 pcs samples (one piece of data can include SCI+SCE at the same time), APP/PC mass storage |
| Software support | Andriod, IOS, Windows, Wechat APPlet, Harmony OS. |
| Language | Simplified Chinese, Traditional Chinese, English |
| Operating Environment | 0~40℃, 0~85%RH (no condensing),Altitude < 2000m |
| Storage Environment | -20~50℃, 0~85%RH (no condensing) |
| Standard Accessory | Power adapter, USB cable, Manual, Quality Management Software (official website download), Calibration Box, Protective Cover, Wrist Strap, Measuring Apertures |
| Optional Accessory | Micro-printer, Powder Test Box. |
FAQ su ST700D Spectrophotometer
Ora le nostre macchine di prova sono state vendute a più di 80 paesi, come Stati Uniti, Canada, Russia, Regno Unito, Italia, Germania, Europa, India, Pakistan, Filippine, Singapore, Malesia, Thailandia, Vietnam, Corea, Arabia Saudita, Brasile. ..e così via. Vendiamo al mercato globale.
Con centri in 20 paesi, tra cui India, Giappone, Stati Uniti, Germania, Singapore, Cina, Corea del Sud e Taiwan, la rete di servizi di Threenh Technology mira a fornire ai clienti un accesso conveniente al servizio a livello globale. Con oltre 1 milione di strumenti di misura venduti, la nostra competenza è il nostro più grande asset, che ci consente di lavorare con i nostri clienti su soluzioni per sfide di misura complesse.
Lo spettrofotometro ideale, accurato e user-friendly per le vostre esigenze
Questo dispositivo spettrofotometro misura la riflessività, l'assorbinza, la trasmissione e la fluorescenza della luce che passa attraverso i campioni, fornendo dati inestimabili per un'ampia gamma di applicazioni, fornendo una precisione ineguagliabile per risultati affidabili.
La scelta di uno spettrofotometro appropriato offre vantaggi significativi per l'analisi del colore di precisione e il controllo della qualità. Quando si sceglie uno spettrofotometro accurato e facile da usare, si devono considerare fattori come la gamma di lunghezze d'onda, la sensibilità, le opzioni di gestione dei campioni e le funzionalità del software disponibili. Investindo nello spettrofotometro giusto, puoi semplificare i tuoi processi analitici, ottenere risultati più accurati e migliorare l'efficienza complessiva delle tue operazioni di laboratorio o industriali.
Scegliere il modello giusto, sia che sia portatile, da banco o inline, allinea la tecnologia alle esigenze specifiche del settore, garantendo affidabilità a lungo termine e gestione ottimizzata del colore.
Many people might answer "with the human eye", but this is actually not comprehensive. The human eye cannot accurately distinguish the colors of similar objects. Furthermore, everyone's perception of color varies. Therefore, people have developed color measurement tools based on the CIE color system.
Currently, there are two main types of commonly used colorimeters, as follows:
Colorimeter - It is an ideal choice for quality control (QC) on production lines, used to detect color differences.
Spectrophotometer - It is suitable for the development of color characteristics and color analysis in laboratories.
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