MiniScan EZ 4500

MiniScan EZ 4500 45°/0° geometry portable spectrophotometer has a large, easy-to-read display, is light weight and ergonomically designed for one-handed operation and thumb-tip navigation of display functions. With onboard software that includes most major industrial reflectance color scales and indices. MiniScan EZ 4500 allows manufacturers to easily and accurately evaluate the quality of their products.

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Easy-to-use. Compact. Increased performance.

HunterLab’s most popular handheld spectrophotometer, the MiniScan EZ 4500L, is a large area view 45° illumination and 0° viewing spectrophotometer that provides a 31.8 mm port size that has a 25mm viewed area.

Explore all the additional features and benefits below.

Product Specifications

Measurement Principle: Dual-beam spectrophotometer


  • Directional annular 45° illumination / 0° viewing (specular component excluded)

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

Port Diameters/View Diameters

45°/0° models:

  • LAV 31.8 mm (1.25 in) illuminated/25.4 mm (1 in) measured

Specular Component: Excluded on 45°/0° 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

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

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


  • 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

Standard Accessories:

  • NiMH batteries
  • Battery charger
  • Calibrated instrument white tile
  • Certificate of traceability
  • Black glass (45°/0° models)
  • Green diagnostic tile (all instrument standards are contained in a single ergonomic holder)
  • Dust cover
  • Carrying case
  • USB flash drive
  • MiniScan EZ Users guide