Portable Spectrophotometer (DS-700 Series)
Product Features:
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Excellent repeatability (ΔE*ab ≤ 0.02 max) and inter-instrument agreement (ΔE*ab ≤ 0.2)
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Dual optical path high-precision CMOS array sensor
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Intelligent auto calibration with ZrO₂ white tile (>90% reflectance, infrequent recalibration)
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400–700 nm full-wavelength balanced LED + UV
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10 nm resolution grating spectroscopy
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Tool-free interchangeable apertures for varied sample measurements
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30+ color indices and 37+ illuminants
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Android/iOS/Windows/WeChat applet support
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Integrated measurement area camera
Specifications by Model:
| Parameter | DS-700D | DS-700E | DS-700A |
|---|---|---|---|
| Repeatability | ΔE*ab ≤ 0.025 | ΔE*ab ≤ 0.02 | – |
| Inter-instrument Agreement | ΔE*ab ≤ 0.25 | ΔE*ab ≤ 0.2 | ΔE*ab ≤ 0.25 |
| Measuring Apertures | Φ11mm, Φ6mm, Φ3mm, 1×3mm | Φ11mm, Φ10mm, Φ6mm, Φ5mm, Φ3mm, 1×3mm | Φ11mm, Φ6mm |
| Light Source | Full-band LED + UV | Full-band LED + UV | Full-band LED |
| Measurement Mode | Camera | Visual | – |
| Measurement Time | <2 seconds | <2.5 seconds | – |
Common Specifications:
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Geometry: D/8, SCI/SCE
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Display Resolution: 0.01
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Measurement Indices:
Reflectance, CIE-Lab, CIE-LCh, HunterLab, CIE-Luv, XYZ, Yxy, RGB,
Color difference (ΔEab, ΔEcmc, ΔE94, ΔE00),
Whiteness (WI): ASTM E313-00, ASTM E313-73, CIE, ISO2470/R457, AATCC, Hunter, Taube Berger Stensby,
Yellowness (YI): ASTM D1925, ASTM E313-00, ASTM E313-73,
Blackness (My, dM), Color Fastness, Tint (ASTM E313-00),
Color Density: CMYK(A,T,E,M), Milm, Munsell, Opacity, Color strength -
Illuminants: A, B, C, D50, D55, D65, D75, F1-F12, CWF, U30, U35, DLF, NBF, TL83, TL84, ID50, ID65, LED-B1 to B5, LED-BH1, LED-RGB1, LED-V1/V2
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Calibration: Intelligent automatic
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Accuracy: Metrology Level I
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Observer Angles: 2°, 10°
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Sphere Size: 40 mm
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Standards: CIE No.15, GB/T 3978, GB 2893, GB/T 18833, ISO 7724-1, ASTM E1164, DIN 5033 Teil 7
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Spectroscopic Method: Grating
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Sensor: Dual-row high-precision CMOS array
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Wavelength Range: 400–700 nm (31 wavelengths viewable)
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Wavelength Interval: 10 nm
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Reflectance Range: 0–200%
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Reflectivity Resolution: 0.01%
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Interface: USB, Bluetooth
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Screen: 3.5-inch IPS full color
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Battery: 7.2V/3000mAh (8000 tests per charge)
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Light Source Lifetime: 10 years / 1 million tests
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Languages: Chinese, English
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Storage: Device: 100 standards + 10,000 samples; App: Mass storage
Notes:
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※ 45° circular illumination / 0° angle reception (D/8: specular included/excluded)
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※※ Repeatability verified via 30 white tile measurements at 5s intervals
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※※※ BCRA Series II: 12-tile average measurement
