Desktop Spectrophotometer

Product No: DSCD-920
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Basic Introduction
DSCD-920 Transmitted liquid Tabletop Spectrophotometer is good performance and specially designed for testing the liquid transmittance, absorbance, concentration, chrominance and other parameters. The instrument adopts the measurement structure of D/0, integration of the full band LED composite light source, double beam optical system, ETC every-time calibration technology, which makes the instrument reaches a resolution of 0.0001, deviation of the transmittance within 0.08% and chromatic value: △E*ab 0.015.

Brief Introduction
• Transmission D/0 Structure and Reflection D/8 Structure

• Double Optical Paths Spectral Analysis Technology
It could get the measurement sample data and internal environment data at the same time to make sure the testing accuracy and stability for long time running.

• Compatible with SCI/SCE Measurement
Adopt D/8 illuminant condition recommended by the CIE to meet the color testing requirement for different industries. It could measure with SCI and SCE to see the color data change more clearly.
• Four Testing Calibers
It is easy to adjust the testing calibers. The largest caliber diameter reaches 25.4mm. It could test the sample with different sizes.
• Large screen display and Stand-alone operation
• Unique Calibration Board Design
• Flexible Test Fixture

Technical Data

Type DSCD-920
Measurement Condition Reflection: d/8 (Diffused lighting, 8 degrees receiving) Compatible with SCI/SCE Measurement ISO7724/1、DIN5033 Teil7、JIS Z8722 condition C、CIE No.15、ASTM E1164 Transmission d/0 (Diffused lighting, Vertical direction receiving)
Size of integrating sphere Φ15.2cm, Alvan diffused reflection surface coating
Illumination Light source CLEDs (entire wavelength balanced LED light source)
Sensor dual light path sensor array
Wavelength range 400-700nm
Wavelength interval 10nm
Half spectral width 5nm
Reflectivity range 0-200%
Reflectivity resolution 0.01%
Observation angle 2°/10°
Measurement light source A, C, D50, D55, D65, D75, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, CWF, U30, DLF, NBF, TL83, TL84
Data being displayed SPD distribution/data, sample’s color values, color difference values/graph, pass/fail results, color error tendency, history data color simulation, manual input standard sample, generate measurement report
Measurement time interval 2 seconds

Reflection Aperture

 

 

Large Aperture (LAV): 2.54cm (=1inch)
Medium Aperture (MAV): 1.5cm (=0.6inch)
Small Aperture (SAV): 0.75cm x 1.0cm (0.3inch x 0.4inch)
Very Small Aperture (VSAV): 0.3cm x 0.8cm (0.12inch x 0.31inch)
Color space CIE-L*a*b, L*C*h, CIE-L*u*v, XYZ, Yxy, Transmittance, Hunterlab, Munsell MI, CMYK, RGB, HSB
Color difference formulas ΔE*ab, ΔE*CH, ΔE*uv, ΔE*cmc (2:1),  ΔE*cmc (1:1), ΔE*94, ΔE*00, ΔEab (Hunter), 555color classification
Other colorimetric indices WI (ASTM E313-10, ASTM E313-73, CIE/ISO, AATCC, Hunter, Taube Berger, Ganz, Stensby), YI (ASTM D1925, ASTM E313-00, ASTM E313-73), Tint (ASTME313-00, CIE, Ganz), Metamerism index Milm, Stick color fastness, Color fastness, APHA, Pt-Co, Gardner
Repeatability light splitting reflectivity: standard deviation within 0.08%
color values: ΔE*ab <=0.015 (After calibration, standard deviation of 30 measurements on test white board, 5 second intervals, Maximum: 0.03)
Interface USB
Data storage mass storage
Light source longevity 5 years, 1.5 million tests
Size 583*330*304mm (L*W*H)
Work temperature range 15℃-32℃ (60°F-90°F)
Relative Humidity 0℃ to 45℃, relative humidity 80% or below (at 35°C), no condensation
Standard accessories AC power line, color management software, drive software, USB cable, black/white calibration tube, 40*10 cuvette, cuvette support, testing report
Optional 40×40 cuvette

 

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