MiniScan EZ 4000L sphere geometry spectrophotometer

Measurement

Measurement Principle: Dual-beam spectrophotometer

Geometries:

• Diffuse/8° (specular component included)

Spectrophotometer: 256 element diode array and high resolution, concave holographic grating

Sphere Diameter: 63.5 mm (2.5 in.) (diffuse/8° models)

Port Diameters/View Diameters

Diffuse/8° models:

• LAV 25.4 mm (1 in) illuminated/20.0 mm (0.8 in) measured

Specular Component: Included on Diffuse/8° models

Spectral 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: Pulsed Xenon Lamp

Flashes per Measurement: 1 flash

Lamp Life: > 1 million flashes

Measurement Time: < 1 second from button push to measurement 2 seconds from button push to data display

Minimum Interval between Measurements: 3 seconds

Standards Conformance: CIE 15:2004, ISO 7724/1, 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:

• ∆E*< 0.15 CIE L*a*b* (Avg) on BCRA II Tile Set
• ∆E*< 0.25 CIE L*a*b* (Max) on BCRA II Tile Set

Colorimetric Repeatability (20 Readings): ∆E*< 0.05 CIE L*a*b* on white tile

Firmware

Data Views: Color Data, Color Difference Data, Tristimulus Color Plot, Spectral Data, Spectral Difference Data, Spectral Plot, Spectral Difference Plot

USB Flash Drive Features: Backup of Setups and Data, Setup Transfer to Multiple Units, Data Export to Excel

Other Features: Pass/Fail, Average Multiple Readings, Search for Closest Standard

Illuminants: A, C, D50, D55, D65, D75, F2, F7, F11

Observers: 2° and 10°

Color Scales: CIE L*a*b*, Hunter Lab, CIE L*C*h, CIE Yxy, CIE XYZ

Color Difference Scales: ∆L*a*b*, ∆Lab, ∆L*C*H, ∆Yxy, ∆XYZ Color Difference Indices: ∆E*, ∆E, ∆C*, ∆C and ∆Ecmc

Indices and Metrics: E313 Whiteness and Tint(C/2° and D65/10°), E313 Yellowness (C/2° and D65/10°), D1925 Yellowness (C/2°), Y Brightness, Z%, 457 nm Brightness, Opacity, Color Strength Average and Single Wavelength), Gray Change, Gray Stain, Metamerism Index, Shade Number

Data Storage: As Standard – 100 spectral or tristimulus with Pass/Fail tolerances as Working, Physical, Numeric and Hitch As Sample – 750 spectral

Languages: Chinese, English, French, German, Italian, Japanese, Spanish

Physical/Electrical

Dimensions:

• Height: 13.9 cm (5.5 in.)
• Width: 10.9 cm (4.3 in.)
• Depth: 26.7 cm (10.5 in.)
• Weight: 1 kg (2.2 lbs) with batteries

Display: 5.8 cm x 5.8 cm (2.3 in. x 2.3 in.) backlit LCD, blue monochrome

Interface: USB 2.0

Power: Six AA-size alkaline batteries or nickel-metal-hydride rechargeable batteries

Battery Performance:

• With alkaline batteries approximately 4,000 measurements
• With nickel-metal-hydride batteries approximately 4,000 measurements when fully charged (varies with battery condition)

Operating Environment: 10° to 40°C (50° to 104° F), 10 % to 90 % RH, noncondensing

Storage Environment: -20° to 65°C (-5° to 150° F), 10 % to 90 % RH, noncondensing