Measurement Principle: Dual-beam spectrophotometer

Geometries:

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
SAV 6.0 mm (0.25 in) illuminated/5.0 mm (0.2 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