UltraScan Vis

1. Measurement Principle

• Measurement Principle: Two-beam spectrophotometer

• Geometry: Tt/0° or Td/0° according to ASTM 1164, CIE 15:2018 standards

• Spectrophotometer: 256-element diode array sensor with high resolution and a three-dimensional concave aperture

• Port Size/Measurement Area: 10.5 mm (0.41 in) illuminated / 9.8 mm (0.39 in) measured

• Measurement Time: 2.5 seconds

• Measurement Time with Haze: 5 seconds

• Minimum Measurement Interval: 3 seconds

• Measurement Path Length: Up to 100 mm

• Transmission Modes: Total (TTRAN), Regular (RTRAN), and Haze

• Applicable Standards:

  • Color Measurement: CIE 15:2018, ASTM E1164, DIN 5033 Teil 7, JIS Z 8741, Condition E, G

  • Haze Measurement: ASTM D1003

2. Technical Details

• Sphere Diameter: 76 mm (3 in)

• Sphere Coating: Spectralon™

• Spectral Range: 400 nm – 700 nm

• Spectral Resolution: < 3 nm

• Effective Bandwidth: Triangle equivalent to 10 nm

• Reporting Interval: 10 nm

• Optical Range: 0 – 150%

• Optical Resolution: 0.003% (reported as 0.01%)

• Light Source: Full-spectrum LED array

• Flashes per Measurement: 4 flashes

3. Performance

• Color Measurement Repeatability (up to 30 readings): < 0.02 ∆E* under normal conditions

• Spectral Repeatability: Standard deviation within 0.1%

• Instrument Agreement:

  • ∆E* (D65/10) < 0.15 (Average) (Transmission Filter)

  • ∆E* (D65/10) < 0.25 (Maximum) (Transmission Filter)

• Haze Measurement: ± 0.30% at 10% Haze (HAZE)