Benchtop spectrophotometers
ColorFlex L2 Coffee Color Analyzer
Benchtop instrument for laboratory use
Contact us: 021-62882816Description
下一代台式分光光度计平衡了速度、稳定性和易用性。
Specifications
▶Measurement
Measurement Principle
Port up dual-beam spectrophotometer
Geometry
45°a:0° Annular Illuminated Optics, ASTM E1164
Spectrophotometer
Sealed optics; 256-element diode array and a high resolution concave holographic grating
Port Diameter/View Diameter
31.8 mm (1.25 in) illuminated/ 25.4 mm (1 in) measured
Specular Component
Excluded
Spectral Range
Range: 400 nm - 700 nm
Spectral Resolution
< 3 nm
Effective Bandwidth
10 nm equivalent triangular
Reporting Interval
10 nm
Photometric Range
0 to 150 %
Light Source
Full spectrum Xenon Flash Lamp
Measurement Duration
1 second
Lamp Life
10 years typical
Illumination
Factory Calibrated Xenon for Brightness, Whiteness, and Tint
Standards Conformance
CIE 15:2018, ASTM E1164, DIN 5033, Teil 7 and JIS Z 8722 Condition C
Standards Traceability
Instrument standard assignment in accordance with National Institute of Standards and Technology (NIST) following practices described in CIE Publication 44 and ASTM E259
▶Performance
Inter-Instrument Agreement
Color: ∆E*2000 < 0.15 D65/10 (Avg) on BCRA CCSII Tile
Colorimetric Repeatability
Color: ∆E*< 0.05 D65/10 (Max) on White Tile
▶User Interface
Data Views
Coffee Roast, Color Data, Spectral Plot, EZ View, Tristimulus Color Plot, Pass/Fail Color Indication, Time, and Date Stamp, Auto-naming, Auto-saving, Data backup, Image Capture via High-resolution Camera
USB Flash Drive Features
Job Data, Sample Images, Screen Capture and Database Export
Other Features
Pass/Fail, Average Multiple Measurements, Set Multiple Automatic Measurements
Illuminants
A, C, D50, D55, D65, D75, F02, F07, F11
Observers
2° and 10°
Color Scales
CIE L*a*b*, Hunter Lab, CIE L*C*h, CIE Yxy, CIE XYZ, Rd,a,b
Color Difference
∆L*a*b*, ∆Lab, ∆L*C*h, ∆Yxy, ∆XYZ, ΔE, ΔE*, ΔE*2000, ΔH*, ΔC*, ΔEcmc
Indices and Metrics
E313 Whiteness and Tint (C/2°, C/10°, D65/2° or D65/10°), E313 Yellowness (C/2°, C/10°, D65/2° or D65/10°), D1925 Yellowness (C/2°), Y Brightness, Z%, 457 nm Brightness, Opacity, Color Strength (Average and Single Wavelength), Gray Scale, Gray Stain, Metamerism Index
Ground Coffee Indicies
HCCI (HunterLab Coffee Color Index values), SCAA Number, SCAA Roast Classification
Data Storage
1 million Records max; 8 GB
Languages
Supports multiple languages—with the option to add more as needed
▶Physical / Electrical
Dimensions
Height: 16 cm (6.25 in.)
Width
21 cm (8.75 in.)
Depth
24 cm (9.50 in.)
Weight
2.75 kg (6 lbs)
Display
7” Touch screen, high resolution 1280x800
Interface
2 USB ports, HDMI Video Output, Foot switch Input, Ethernet connection, USB Service Port, Convenient physical measurement/action button
Power
90 – 240 VAC, 47 – 63 Hz to universal power supply @ 24 VDC/3.75A
Operating Environment
10° to 40°C (50° to 86° F), 10 % to 90 % RH, noncondensing
Storage Environment
-20° to 65°C (-4° to 149° F), 10 % to 90 % RH, noncondensing
Standard Accessories
HunterLab Reference Standard-Coffee; Calibrated Instrument Standard (White Tile); Diagnostic Check Tile (Green Tile); Reflectance Black Glass; Certificate of Traceability; Port Plate - 31.8 mm (1.25 in); A sleeve of 10 disposable polystyrene (100mm) diameter petri dishes; Initial Customer Instruction before Unpacking Guide; USB Flash Drive with Coffee License and User’s Manual; Quick Start Guide; Power Supply (90W)
Images
Selection and learning
If you are still comparing models, scenarios, and workflows, these articles can help.
Selection guide
Benchtop vs Portable Spectrophotometers
Start from use case, sample type, and management goals to decide which instrument family fits best.
Read more->FAQ
What Is the Difference Between Benchtop and Portable Instruments?
Understand positioning, measurement method, and daily usage differences.
Read more->FAQ
What Should Be Checked During Daily Calibration?
Keep the instrument traceable and verifiable over the long term.
Read more->
