The Array Versatile 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, for reliable paints and coatings matching applications on a wide variety of sample sizes, shapes, textures, and opacity levels.
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, Ø4mm 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. |
FAQs About ST700D Spectrophotometer
For professional paint matching (decorative, automotive, industrial, metallic/pearlescent), these are the top-performing spectrophotometers from 3nh — optimized for formulation, batch consistency, metamerism control, and field/shop matching:
d/8° sphere, SCI/SCE, UV control (360–780nm)
ΔE*ab ≤ 0.015, IIA ≤ 0.2 — ultra-precise for R&D
Multi-apertures (Φ4/8/15/25.4mm)
Transmission + reflection modes
Best for: Paint lab formulation, fluorescent pigments, color standardization
d/8° (SCI/SCE), ΔE*ab ≤ 0.02
Large Φ20mm aperture — averages texture/sheen
Fast, handheld, rugged
Best for: Paint store counters, job-site matching, production QC
8-angle measurement (15°/25°/45°/75°/110° + others)Threenh
For flip-flop, sparkle, pearlescent, metallic coatings
High stability for special-effect finishes
Best for: Automotive paint, powder coatings, metallic pigments, High-end industrial coatings, automotive OEM
d/8°, SCI/SCE, UV adjustable
Interchangeable apertures (Φ4/8mm)
Bluetooth + USB
Best for: General paint store matching, routine QC
Lab formulation / R&D: 3nh YS6060
Portable on-site / paint store: 3nh TS7700
Metallic / pearlescent paint: 3nh MS3008
Entry-level portable: 3nh YS3010
At most of time, we have Spectrophotometer stock in the factory. Generally it is 1-3 working days after the payment confirmed. After shipped, we will email you the tracking number. You can check the shipping status of your order on the website. If you are in urgent need, we can consider making special arrangement for you.
Inquiry - quotation - communication - order confirming - deposit payment - production - testing and debugging - balance payment - packing - delivery - customer receiving - after service.
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.
For wallpaper color consistency & quality control (including solid-color, printed, textured, and embossed wallpapers), these 3nh spectrophotometers deliver optimal performance:
d/8° integrating sphere, SCI/SCE dual mode
ΔE*ab ≤ 0.01 (repeatability), IIA ≤ 0.1
Multi-apertures (Φ3/8/15/25mm) — ideal for large patterned wallpapers
UV control (for optical brighteners in paper)
Best for: Lab formulation, color standardization, batch-to-batch consistency

d/8° (SCI/SCE), ΔE*ab ≤ 0.02
Handheld, fast, non-destructive
Large aperture (Φ20mm) averages out texture/pattern unevenness
Best for: Production line checks, warehouse incoming inspection, on-site matching

d/8°, interchangeable apertures (Φ4/8mm + 1×3mm)
High stability for rough/embossed surfaces
UV included for fluorescent inks/papers
Best for: Complex printed, textured, or metallic-effect wallpapers

45/0 geometry, ΔE*ab ≤ 0.04
Touchscreen, easy operation
Best for: Uniform solid-color wallpapers, basic production QC

Top lab precision: TS8560
Best portable production: TS7700
Best for textured/patterned: PS2080
Economical routine QC: NS800
Discuss your project with one of our product specialists:
0086 755 26508999We respond to quote requests within 1 business day.
service@3nh.comSubmit a demo request for the product you're interested in.
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